The remote Fedora 38 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2023-b9b15ebaad advisory.

    - New upstream update (115.0)
    - Built with PGO

Tenable has extracted the preceding description block directly from the Fedora security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote SUSE Linux SLED15 / SLED_SAP15 / SLES15 / SLES_SAP15 / openSUSE 15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2023:2886-1 advisory.

  - When Firefox is configured to block storage of all cookies, it was still possible to store data in     localstorage by using an iframe with a source of 'about:blank'. This could have led to malicious websites     storing tracking data without permission. This vulnerability affects Firefox < 115. (CVE-2023-3482)

  - An attacker could have triggered a use-after-free condition when creating a WebRTC connection over HTTPS.
    This vulnerability affects Firefox < 115, Firefox ESR < 102.13, and Thunderbird < 102.13. (CVE-2023-37201)

  - Cross-compartment wrappers wrapping a scripted proxy could have caused objects from other compartments to     be stored in the main compartment resulting in a use-after-free. This vulnerability affects Firefox < 115,     Firefox ESR < 102.13, and Thunderbird < 102.13. (CVE-2023-37202)

  - Insufficient validation in the Drag and Drop API in conjunction with social engineering, may have allowed     an attacker to trick end-users into creating a shortcut to local system files. This could have been     leveraged to execute arbitrary code. This vulnerability affects Firefox < 115. (CVE-2023-37203)

  - A website could have obscured the fullscreen notification by using an option element by introducing lag     via an expensive computational function. This could have led to user confusion and possible spoofing     attacks. This vulnerability affects Firefox < 115. (CVE-2023-37204)

  - The use of RTL Arabic characters in the address bar may have allowed for URL spoofing. This vulnerability     affects Firefox < 115. (CVE-2023-37205)

  - Uploading files which contain symlinks may have allowed an attacker to trick a user into submitting     sensitive data to a malicious website. This vulnerability affects Firefox < 115. (CVE-2023-37206)

  - A website could have obscured the fullscreen notification by using a URL with a scheme handled by an     external program, such as a mailto URL. This could have led to user confusion and possible spoofing     attacks. This vulnerability affects Firefox < 115, Firefox ESR < 102.13, and Thunderbird < 102.13.
    (CVE-2023-37207)

  - When opening Diagcab files, Firefox did not warn the user that these files may contain malicious code.
    This vulnerability affects Firefox < 115, Firefox ESR < 102.13, and Thunderbird < 102.13. (CVE-2023-37208)

  - A use-after-free condition existed in `NotifyOnHistoryReload` where a `LoadingSessionHistoryEntry` object     was freed and a reference to that object remained. This resulted in a potentially exploitable condition     when the reference to that object was later reused. This vulnerability affects Firefox < 115.
    (CVE-2023-37209)

  - A website could prevent a user from exiting full-screen mode via alert and prompt calls. This could lead     to user confusion and possible spoofing attacks. This vulnerability affects Firefox < 115.
    (CVE-2023-37210)

  - Memory safety bugs present in Firefox 114, Firefox ESR 102.12, and Thunderbird 102.12. Some of these bugs     showed evidence of memory corruption and we presume that with enough effort some of these could have been     exploited to run arbitrary code. This vulnerability affects Firefox < 115, Firefox ESR < 102.13, and     Thunderbird < 102.13. (CVE-2023-37211)

  - Memory safety bugs present in Firefox 114. Some of these bugs showed evidence of memory corruption and we     presume that with enough effort some of these could have been exploited to run arbitrary code. This     vulnerability affects Firefox < 115. (CVE-2023-37212)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The version of Firefox installed on the remote Windows host is prior to 115.0. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2023-22 advisory.

  - When Firefox is configured to block storage of all cookies, it was still possible to store data in     localstorage by using an iframe with a source of 'about:blank'. This could have led to malicious websites     storing tracking data without permission. (CVE-2023-3482)

  - An attacker could have triggered a use-after-free condition when creating a WebRTC connection over HTTPS.
    (CVE-2023-37201)

  - Cross-compartment wrappers wrapping a scripted proxy could have caused objects from other compartments to     be stored in the main compartment resulting in a use-after-free. (CVE-2023-37202)

  - Insufficient validation in the Drag and Drop API in conjunction with social engineering, may have allowed     an attacker to trick end-users into creating a shortcut to local system files.  This could have been     leveraged to execute arbitrary code. (CVE-2023-37203)

  - A website could have obscured the fullscreen notification by using an option element by introducing lag     via an expensive computational function. This could have led to user confusion and possible spoofing     attacks. (CVE-2023-37204)

  - The use of RTL Arabic characters in the address bar may have allowed for URL spoofing. (CVE-2023-37205)

  - Uploading files which contain symlinks may have allowed an attacker to trick a user into submitting     sensitive data to a malicious website. (CVE-2023-37206)

  - A website could have obscured the fullscreen notification by using a URL with a scheme handled by an     external program, such as a mailto URL. This could have led to user confusion and possible spoofing     attacks. (CVE-2023-37207)

  - When opening Diagcab files, Firefox did not warn the user that these files may contain malicious code.
    (CVE-2023-37208)

  - A use-after-free condition existed in `NotifyOnHistoryReload` where a `LoadingSessionHistoryEntry` object     was freed and a reference to that object remained.  This resulted in a potentially exploitable condition     when the reference to that object was later reused. (CVE-2023-37209)

  - A website could prevent a user from exiting full-screen mode via alert and prompt calls.  This could lead     to user confusion and possible spoofing attacks. (CVE-2023-37210)

  - Memory safety bugs present in Firefox 114, Firefox ESR 102.12, and Thunderbird 102.12. Some of these bugs     showed evidence of memory corruption and we presume that with enough effort some of these could have been     exploited to run arbitrary code. (CVE-2023-37211)

  - Memory safety bugs present in Firefox 114. Some of these bugs showed evidence of memory corruption and we     presume that with enough effort some of these could have been exploited to run arbitrary code.
    (CVE-2023-37212)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote Fedora 37 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2023-5c979c4971 advisory.

    - New upstream update (115.0)
    - Built with PGO

Tenable has extracted the preceding description block directly from the Fedora security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote SUSE Linux SLES12 / SLES_SAP12 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2023:2850-1 advisory.

  - When Firefox is configured to block storage of all cookies, it was still possible to store data in     localstorage by using an iframe with a source of 'about:blank'. This could have led to malicious websites     storing tracking data without permission. This vulnerability affects Firefox < 115. (CVE-2023-3482)

  - An attacker could have triggered a use-after-free condition when creating a WebRTC connection over HTTPS.
    This vulnerability affects Firefox < 115, Firefox ESR < 102.13, and Thunderbird < 102.13. (CVE-2023-37201)

  - Cross-compartment wrappers wrapping a scripted proxy could have caused objects from other compartments to     be stored in the main compartment resulting in a use-after-free. This vulnerability affects Firefox < 115,     Firefox ESR < 102.13, and Thunderbird < 102.13. (CVE-2023-37202)

  - Insufficient validation in the Drag and Drop API in conjunction with social engineering, may have allowed     an attacker to trick end-users into creating a shortcut to local system files. This could have been     leveraged to execute arbitrary code. This vulnerability affects Firefox < 115. (CVE-2023-37203)

  - A website could have obscured the fullscreen notification by using an option element by introducing lag     via an expensive computational function. This could have led to user confusion and possible spoofing     attacks. This vulnerability affects Firefox < 115. (CVE-2023-37204)

  - The use of RTL Arabic characters in the address bar may have allowed for URL spoofing. This vulnerability     affects Firefox < 115. (CVE-2023-37205)

  - Uploading files which contain symlinks may have allowed an attacker to trick a user into submitting     sensitive data to a malicious website. This vulnerability affects Firefox < 115. (CVE-2023-37206)

  - A website could have obscured the fullscreen notification by using a URL with a scheme handled by an     external program, such as a mailto URL. This could have led to user confusion and possible spoofing     attacks. This vulnerability affects Firefox < 115, Firefox ESR < 102.13, and Thunderbird < 102.13.
    (CVE-2023-37207)

  - When opening Diagcab files, Firefox did not warn the user that these files may contain malicious code.
    This vulnerability affects Firefox < 115, Firefox ESR < 102.13, and Thunderbird < 102.13. (CVE-2023-37208)

  - A use-after-free condition existed in `NotifyOnHistoryReload` where a `LoadingSessionHistoryEntry` object     was freed and a reference to that object remained. This resulted in a potentially exploitable condition     when the reference to that object was later reused. This vulnerability affects Firefox < 115.
    (CVE-2023-37209)

  - A website could prevent a user from exiting full-screen mode via alert and prompt calls. This could lead     to user confusion and possible spoofing attacks. This vulnerability affects Firefox < 115.
    (CVE-2023-37210)

  - Memory safety bugs present in Firefox 114, Firefox ESR 102.12, and Thunderbird 102.12. Some of these bugs     showed evidence of memory corruption and we presume that with enough effort some of these could have been     exploited to run arbitrary code. This vulnerability affects Firefox < 115, Firefox ESR < 102.13, and     Thunderbird < 102.13. (CVE-2023-37211)

  - Memory safety bugs present in Firefox 114. Some of these bugs showed evidence of memory corruption and we     presume that with enough effort some of these could have been exploited to run arbitrary code. This     vulnerability affects Firefox < 115. (CVE-2023-37212)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The version of firefox installed on the remote host is prior to 115.4.0-1. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2FIREFOX-2023-017 advisory.

  - A potential use-after-free vulnerability existed in SVG Images if the Refresh Driver was destroyed at an     inopportune time. This could have lead to memory corruption or a potentially exploitable crash. *Note*:
    This advisory was added on December 13th, 2022 after discovering it was inadvertently left out of the     original advisory. The fix was included in the original release of Firefox 106. This vulnerability affects     Firefox < 106. (CVE-2022-46884)

  - When Firefox is configured to block storage of all cookies, it was still possible to store data in     localstorage by using an iframe with a source of 'about:blank'. This could have led to malicious websites     storing tracking data without permission. This vulnerability affects Firefox < 115. (CVE-2023-3482)

  - Insufficient validation in the Drag and Drop API in conjunction with social engineering, may have allowed     an attacker to trick end-users into creating a shortcut to local system files. This could have been     leveraged to execute arbitrary code. This vulnerability affects Firefox < 115. (CVE-2023-37203)

  - A website could have obscured the fullscreen notification by using an option element by introducing lag     via an expensive computational function. This could have led to user confusion and possible spoofing     attacks. This vulnerability affects Firefox < 115. (CVE-2023-37204)

  - The use of RTL Arabic characters in the address bar may have allowed for URL spoofing. This vulnerability     affects Firefox < 115. (CVE-2023-37205)

  - Uploading files which contain symlinks may have allowed an attacker to trick a user into submitting     sensitive data to a malicious website. This vulnerability affects Firefox < 115. (CVE-2023-37206)

  - A use-after-free condition existed in `NotifyOnHistoryReload` where a `LoadingSessionHistoryEntry` object     was freed and a reference to that object remained. This resulted in a potentially exploitable condition     when the reference to that object was later reused. This vulnerability affects Firefox < 115.
    (CVE-2023-37209)

  - A website could prevent a user from exiting full-screen mode via alert and prompt calls. This could lead     to user confusion and possible spoofing attacks. This vulnerability affects Firefox < 115.
    (CVE-2023-37210)

  - Memory safety bugs present in Firefox 114. Some of these bugs showed evidence of memory corruption and we     presume that with enough effort some of these could have been exploited to run arbitrary code. This     vulnerability affects Firefox < 115. (CVE-2023-37212)

  - The Tungstenite crate before 0.20.1 for Rust allows remote attackers to cause a denial of service (minutes     of CPU consumption) via an excessive length of an HTTP header in a client handshake. The length affects     both how many times a parse is attempted (e.g., thousands of times) and the average amount of data for     each parse attempt (e.g., millions of bytes). (CVE-2023-43669)

  - A compromised content process could have provided malicious data to `FilterNodeD2D1` resulting in an out-     of-bounds write, leading to a potentially exploitable crash in a privileged process. *This bug only     affects Firefox on Windows. Other operating systems are unaffected.* This vulnerability affects Firefox <     118, Firefox ESR < 115.3, and Thunderbird < 115.3. (CVE-2023-5168)

  - A compromised content process could have provided malicious data in a `PathRecording` resulting in an out-     of-bounds write, leading to a potentially exploitable crash in a privileged process. This vulnerability     affects Firefox < 118, Firefox ESR < 115.3, and Thunderbird < 115.3. (CVE-2023-5169)

  - During Ion compilation, a Garbage Collection could have resulted in a use-after-free condition, allowing     an attacker to write two NUL bytes, and cause a potentially exploitable crash. This vulnerability affects     Firefox < 118, Firefox ESR < 115.3, and Thunderbird < 115.3. (CVE-2023-5171)

  - Memory safety bugs present in Firefox 117, Firefox ESR 115.2, and Thunderbird 115.2. Some of these bugs     showed evidence of memory corruption and we presume that with enough effort some of these could have been     exploited to run arbitrary code. This vulnerability affects Firefox < 118, Firefox ESR < 115.3, and     Thunderbird < 115.3. (CVE-2023-5176)

  - It was possible for certain browser prompts and dialogs to be activated or dismissed unintentionally by     the user due to an insufficient activation-delay. This vulnerability affects Firefox < 119, Firefox ESR <     115.4, and Thunderbird < 115.4.1. (CVE-2023-5721)

  - Drivers are not always robust to extremely large draw calls and in some cases this scenario could have led     to a crash. This vulnerability affects Firefox < 119, Firefox ESR < 115.4, and Thunderbird < 115.4.1.
    (CVE-2023-5724)

  - A malicious installed WebExtension could open arbitrary URLs, which under the right circumstance could be     leveraged to collect sensitive user data. This vulnerability affects Firefox < 119, Firefox ESR < 115.4,     and Thunderbird < 115.4.1. (CVE-2023-5725)

  - During garbage collection extra operations were performed on a object that should not be. This could have     led to a potentially exploitable crash. This vulnerability affects Firefox < 119, Firefox ESR < 115.4, and     Thunderbird < 115.4.1. (CVE-2023-5728)

  - Memory safety bugs present in Firefox 118, Firefox ESR 115.3, and Thunderbird 115.3. Some of these bugs     showed evidence of memory corruption and we presume that with enough effort some of these could have been     exploited to run arbitrary code. This vulnerability affects Firefox < 119, Firefox ESR < 115.4, and     Thunderbird < 115.4.1. (CVE-2023-5730)

  - An attacker could have created a malicious link using bidirectional characters to spoof the location in     the address bar when visited. This vulnerability affects Firefox < 117, Firefox ESR < 115.4, and     Thunderbird < 115.4.1. (CVE-2023-5732)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The version of Firefox installed on the remote macOS or Mac OS X host is prior to 115.0. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2023-22 advisory.

  - When Firefox is configured to block storage of all cookies, it was still possible to store data in     localstorage by using an iframe with a source of 'about:blank'. This could have led to malicious websites     storing tracking data without permission. (CVE-2023-3482)

  - An attacker could have triggered a use-after-free condition when creating a WebRTC connection over HTTPS.
    (CVE-2023-37201)

  - Cross-compartment wrappers wrapping a scripted proxy could have caused objects from other compartments to     be stored in the main compartment resulting in a use-after-free. (CVE-2023-37202)

  - Insufficient validation in the Drag and Drop API in conjunction with social engineering, may have allowed     an attacker to trick end-users into creating a shortcut to local system files.  This could have been     leveraged to execute arbitrary code. (CVE-2023-37203)

  - A website could have obscured the fullscreen notification by using an option element by introducing lag     via an expensive computational function. This could have led to user confusion and possible spoofing     attacks. (CVE-2023-37204)

  - The use of RTL Arabic characters in the address bar may have allowed for URL spoofing. (CVE-2023-37205)

  - Uploading files which contain symlinks may have allowed an attacker to trick a user into submitting     sensitive data to a malicious website. (CVE-2023-37206)

  - A website could have obscured the fullscreen notification by using a URL with a scheme handled by an     external program, such as a mailto URL. This could have led to user confusion and possible spoofing     attacks. (CVE-2023-37207)

  - When opening Diagcab files, Firefox did not warn the user that these files may contain malicious code.
    (CVE-2023-37208)

  - A use-after-free condition existed in `NotifyOnHistoryReload` where a `LoadingSessionHistoryEntry` object     was freed and a reference to that object remained.  This resulted in a potentially exploitable condition     when the reference to that object was later reused. (CVE-2023-37209)

  - A website could prevent a user from exiting full-screen mode via alert and prompt calls.  This could lead     to user confusion and possible spoofing attacks. (CVE-2023-37210)

  - Memory safety bugs present in Firefox 114, Firefox ESR 102.12, and Thunderbird 102.12. Some of these bugs     showed evidence of memory corruption and we presume that with enough effort some of these could have been     exploited to run arbitrary code. (CVE-2023-37211)

  - Memory safety bugs present in Firefox 114. Some of these bugs showed evidence of memory corruption and we     presume that with enough effort some of these could have been exploited to run arbitrary code.
    (CVE-2023-37212)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote Ubuntu 20.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-6201-1 advisory.

    Multiple security issues were discovered in Firefox. If a user were tricked into opening a specially     crafted website, an attacker could potentially exploit these to cause a denial of service, obtain     sensitive information across domains, or execute arbitrary code. (CVE-2023-37201, CVE-2023-37202,     CVE-2023-37205, CVE-2023-37207, CVE-2023-37209, CVE-2023-37210, CVE-2023-37211, CVE-2023-37212)

    Martin Hostettler discovered that Firefox did not properly block storage of all cookies when configured.
    An attacker could potentially exploits this issue to store tracking data without permission in     localstorage. (CVE-2023-3482)

    Paul Nickerson discovered that Firefox did have insufficient validation in the Drag and Drop API. If a     user were tricked into creating a shortcut to local system files, an attacker could execute arbitrary     code. (CVE-2023-37203)

    Irvan Kurniawan discovered that Firefox did not properly manage fullscreen notifications using an option     element having an expensive computational function. An attacker could potentially exploit this issue to     perform spoofing attacks. (CVE-2023-37204)

    Ameen Basha M K discovered that Firefox did not properly validate symlinks in the FileSystem API. If a     user were tricked into uploading a symlinked file to a malicious website, an attacker could obtain     sensitive information. (CVE-2023-37206)

    Puf discovered that Firefox did not properly provide warning when opening Diagcab files. If a user were     tricked into opening a malicicous Diagcab file, an attacker could execute arbitrary code. (CVE-2023-37208)

Tenable has extracted the preceding description block directly from the Ubuntu security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote SUSE Linux SLES15 / SLES_SAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2023:2849-1 advisory.

  - When Firefox is configured to block storage of all cookies, it was still possible to store data in     localstorage by using an iframe with a source of 'about:blank'. This could have led to malicious websites     storing tracking data without permission. This vulnerability affects Firefox < 115. (CVE-2023-3482)

  - An attacker could have triggered a use-after-free condition when creating a WebRTC connection over HTTPS.
    This vulnerability affects Firefox < 115, Firefox ESR < 102.13, and Thunderbird < 102.13. (CVE-2023-37201)

  - Cross-compartment wrappers wrapping a scripted proxy could have caused objects from other compartments to     be stored in the main compartment resulting in a use-after-free. This vulnerability affects Firefox < 115,     Firefox ESR < 102.13, and Thunderbird < 102.13. (CVE-2023-37202)

  - Insufficient validation in the Drag and Drop API in conjunction with social engineering, may have allowed     an attacker to trick end-users into creating a shortcut to local system files. This could have been     leveraged to execute arbitrary code. This vulnerability affects Firefox < 115. (CVE-2023-37203)

  - A website could have obscured the fullscreen notification by using an option element by introducing lag     via an expensive computational function. This could have led to user confusion and possible spoofing     attacks. This vulnerability affects Firefox < 115. (CVE-2023-37204)

  - The use of RTL Arabic characters in the address bar may have allowed for URL spoofing. This vulnerability     affects Firefox < 115. (CVE-2023-37205)

  - Uploading files which contain symlinks may have allowed an attacker to trick a user into submitting     sensitive data to a malicious website. This vulnerability affects Firefox < 115. (CVE-2023-37206)

  - A website could have obscured the fullscreen notification by using a URL with a scheme handled by an     external program, such as a mailto URL. This could have led to user confusion and possible spoofing     attacks. This vulnerability affects Firefox < 115, Firefox ESR < 102.13, and Thunderbird < 102.13.
    (CVE-2023-37207)

  - When opening Diagcab files, Firefox did not warn the user that these files may contain malicious code.
    This vulnerability affects Firefox < 115, Firefox ESR < 102.13, and Thunderbird < 102.13. (CVE-2023-37208)

  - A use-after-free condition existed in `NotifyOnHistoryReload` where a `LoadingSessionHistoryEntry` object     was freed and a reference to that object remained. This resulted in a potentially exploitable condition     when the reference to that object was later reused. This vulnerability affects Firefox < 115.
    (CVE-2023-37209)

  - A website could prevent a user from exiting full-screen mode via alert and prompt calls. This could lead     to user confusion and possible spoofing attacks. This vulnerability affects Firefox < 115.
    (CVE-2023-37210)

  - Memory safety bugs present in Firefox 114, Firefox ESR 102.12, and Thunderbird 102.12. Some of these bugs     showed evidence of memory corruption and we presume that with enough effort some of these could have been     exploited to run arbitrary code. This vulnerability affects Firefox < 115, Firefox ESR < 102.13, and     Thunderbird < 102.13. (CVE-2023-37211)

  - Memory safety bugs present in Firefox 114. Some of these bugs showed evidence of memory corruption and we     presume that with enough effort some of these could have been exploited to run arbitrary code. This     vulnerability affects Firefox < 115. (CVE-2023-37212)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote host is affected by the vulnerability described in GLSA-202401-10 (Mozilla Firefox: Multiple Vulnerabilities)

  - When Firefox is configured to block storage of all cookies, it was still possible to store data in     localstorage by using an iframe with a source of 'about:blank'. This could have led to malicious websites     storing tracking data without permission. This vulnerability affects Firefox < 115. (CVE-2023-3482)

  - Memory safety bugs present in Firefox 115. Some of these bugs showed evidence of memory corruption and we     presume that with enough effort some of these could have been exploited to run arbitrary code. This     vulnerability affects Firefox < 116. (CVE-2023-4058)

  - Search queries in the default search engine could appear to have been the currently navigated URL if the     search query itself was a well formed URL. This could have led to a site spoofing another if it had been     maliciously set as the default search engine. This vulnerability affects Firefox < 117. (CVE-2023-4579)

  - Heap buffer overflow in libwebp in Google Chrome prior to 116.0.5845.187 and libwebp 1.3.2 allowed a     remote attacker to perform an out of bounds memory write via a crafted HTML page. (Chromium security     severity: Critical) (CVE-2023-4863)

  - Rejected reason: This CVE ID has been rejected or withdrawn by its CVE Numbering Authority. Duplicate of     CVE-2023-4863. (CVE-2023-5129)

  - In canvas rendering, a compromised content process could have caused a surface to change unexpectedly,     leading to a memory leak of a privileged process. This memory leak could be used to effect a sandbox     escape if the correct data was leaked. This vulnerability affects Firefox < 118. (CVE-2023-5170)

  - A hashtable in the Ion Engine could have been mutated while there was a live interior reference, leading     to a potential use-after-free and exploitable crash. This vulnerability affects Firefox < 118.
    (CVE-2023-5172)

  - In a non-standard configuration of Firefox, an integer overflow could have occurred based on network     traffic (possibly under influence of a local unprivileged webpage), leading to an out-of-bounds write to     privileged process memory. *This bug only affects Firefox if a non-standard preference allowing non-HTTPS     Alternate Services (`network.http.altsvc.oe`) is enabled.* This vulnerability affects Firefox < 118.
    (CVE-2023-5173)

  - During process shutdown, it was possible that an `ImageBitmap` was created that would later be used after     being freed from a different codepath, leading to a potentially exploitable crash. This vulnerability     affects Firefox < 118. (CVE-2023-5175)

  - Using iterative requests an attacker was able to learn the size of an opaque response, as well as the     contents of a server-supplied Vary header. This vulnerability affects Firefox < 119. (CVE-2023-5722)

  - An attacker with temporary script access to a site could have set a cookie containing invalid characters     using `document.cookie` that could have led to unknown errors. This vulnerability affects Firefox < 119.
    (CVE-2023-5723)

  - A malicious web site can enter fullscreen mode while simultaneously triggering a WebAuthn prompt. This     could have obscured the fullscreen notification and could have been leveraged in a spoofing attack. This     vulnerability affects Firefox < 119. (CVE-2023-5729)

  - Memory safety bugs present in Firefox 118. Some of these bugs showed evidence of memory corruption and we     presume that with enough effort some of these could have been exploited to run arbitrary code. This     vulnerability affects Firefox < 119. (CVE-2023-5731)

  - When opening a page in reader mode, the redirect URL could have caused attacker-controlled script to     execute in a reflected Cross-Site Scripting (XSS) attack. This vulnerability affects Firefox for iOS <     119. (CVE-2023-5758)

  - Multiple NSS NIST curves were susceptible to a side-channel attack known as Minerva. This attack could     potentially allow an attacker to recover the private key. This vulnerability affects Firefox < 121.
    (CVE-2023-6135)

  - When an https: web page created a pop-up from a javascript: URL, that pop-up was incorrectly allowed to     load blockable content such as iframes from insecure http: URLs This vulnerability affects Firefox < 120.
    (CVE-2023-6210)

  - If an attacker needed a user to load an insecure http: page and knew that user had enabled HTTPS-only     mode, the attacker could have tricked the user into clicking to grant an HTTPS-only exception if they     could get the user to participate in a clicking game. This vulnerability affects Firefox < 120.
    (CVE-2023-6211)

  - Memory safety bugs present in Firefox 119. Some of these bugs showed evidence of memory corruption and we     presume that with enough effort some of these could have been exploited to run arbitrary code. This     vulnerability affects Firefox < 120. (CVE-2023-6213)

  - The WebGL `DrawElementsInstanced` method was susceptible to a heap buffer overflow when used on systems     with the Mesa VM driver. This issue could allow an attacker to perform remote code execution and sandbox     escape. This vulnerability affects Firefox ESR < 115.6, Thunderbird < 115.6, and Firefox < 121.
    (CVE-2023-6856)

  - When resolving a symlink, a race may occur where the buffer passed to `readlink` may actually be smaller     than necessary. *This bug only affects Firefox on Unix-based operating systems (Android, Linux, MacOS).
    Windows is unaffected.* This vulnerability affects Firefox ESR < 115.6, Thunderbird < 115.6, and Firefox <     121. (CVE-2023-6857)

  - Firefox was susceptible to a heap buffer overflow in `nsTextFragment` due to insufficient OOM handling.
    This vulnerability affects Firefox ESR < 115.6, Thunderbird < 115.6, and Firefox < 121. (CVE-2023-6858)

  - A use-after-free condition affected TLS socket creation when under memory pressure. This vulnerability     affects Firefox ESR < 115.6, Thunderbird < 115.6, and Firefox < 121. (CVE-2023-6859)

  - The `VideoBridge` allowed any content process to use textures produced by remote decoders. This could be     abused to escape the sandbox. This vulnerability affects Firefox ESR < 115.6, Thunderbird < 115.6, and     Firefox < 121. (CVE-2023-6860)

  - The `nsWindow::PickerOpen(void)` method was susceptible to a heap buffer overflow when running in headless     mode. This vulnerability affects Firefox ESR < 115.6, Thunderbird < 115.6, and Firefox < 121.
    (CVE-2023-6861)

  - A use-after-free was identified in the `nsDNSService::Init`. This issue appears to manifest rarely during     start-up. This vulnerability affects Firefox ESR < 115.6 and Thunderbird < 115.6. (CVE-2023-6862)

  - The `ShutdownObserver()` was susceptible to potentially undefined behavior due to its reliance on a     dynamic type that lacked a virtual destructor. This vulnerability affects Firefox ESR < 115.6, Thunderbird     < 115.6, and Firefox < 121. (CVE-2023-6863)

  - Memory safety bugs present in Firefox 120, Firefox ESR 115.5, and Thunderbird 115.5. Some of these bugs     showed evidence of memory corruption and we presume that with enough effort some of these could have been     exploited to run arbitrary code. This vulnerability affects Firefox ESR < 115.6, Thunderbird < 115.6, and     Firefox < 121. (CVE-2023-6864)

  - `EncryptingOutputStream` was susceptible to exposing uninitialized data. This issue could only be abused     in order to write data to a local disk which may have implications for private browsing mode. This     vulnerability affects Firefox ESR < 115.6 and Firefox < 121. (CVE-2023-6865)

  - TypedArrays can be fallible and lacked proper exception handling. This could lead to abuse in other APIs     which expect TypedArrays to always succeed. This vulnerability affects Firefox < 121. (CVE-2023-6866)

  - The timing of a button click causing a popup to disappear was approximately the same length as the anti-     clickjacking delay on permission prompts. It was possible to use this fact to surprise users by luring     them to click where the permission grant button would be about to appear. This vulnerability affects     Firefox ESR < 115.6 and Firefox < 121. (CVE-2023-6867)

  - In some instances, the user-agent would allow push requests which lacked a valid VAPID even though the     push manager subscription defined one. This could allow empty messages to be sent from unauthorized     parties. *This bug only affects Firefox on Android.* This vulnerability affects Firefox < 121.
    (CVE-2023-6868)

  - A `<dialog>` element could have been manipulated to paint content outside of a sandboxed iframe. This     could allow untrusted content to display under the guise of trusted content. This vulnerability affects     Firefox < 121. (CVE-2023-6869)

  - Applications which spawn a Toast notification in a background thread may have obscured fullscreen     notifications displayed by Firefox. *This issue only affects Android versions of Firefox and Firefox     Focus.* This vulnerability affects Firefox < 121. (CVE-2023-6870)

  - Under certain conditions, Firefox did not display a warning when a user attempted to navigate to a new     protocol handler. This vulnerability affects Firefox < 121. (CVE-2023-6871)

  - Browser tab titles were being leaked by GNOME to system logs. This could potentially expose the browsing     habits of users running in a private tab. This vulnerability affects Firefox < 121. (CVE-2023-6872)

  - Memory safety bugs present in Firefox 120. Some of these bugs showed evidence of memory corruption and we     presume that with enough effort some of these could have been exploited to run arbitrary code. This     vulnerability affects Firefox < 121. (CVE-2023-6873)

  - In multiple cases browser prompts could have been obscured by popups controlled by content. These could     have led to potential user confusion and spoofing attacks. This vulnerability affects Firefox < 113,     Firefox ESR < 102.11, and Thunderbird < 102.11. (CVE-2023-32205)

  - An out-of-bound read could have led to a crash in the RLBox Expat driver. This vulnerability affects     Firefox < 113, Firefox ESR < 102.11, and Thunderbird < 102.11. (CVE-2023-32206)

  - A missing delay in popup notifications could have made it possible for an attacker to trick a user into     granting permissions. This vulnerability affects Firefox < 113, Firefox ESR < 102.11, and Thunderbird <     102.11. (CVE-2023-32207)

  - Service workers could reveal script base URL due to dynamic `import()`. This vulnerability affects Firefox     < 113. (CVE-2023-32208)

  - A maliciously crafted favicon could have led to an out of memory crash. This vulnerability affects Firefox     < 113. (CVE-2023-32209)

  - Documents were incorrectly assuming an ordering of principal objects when ensuring we were loading an     appropriately privileged principal. In certain circumstances it might have been possible to cause a     document to be loaded with a higher privileged principal than intended. This vulnerability affects Firefox     < 113. (CVE-2023-32210)

  - A type checking bug would have led to invalid code being compiled. This vulnerability affects Firefox <     113, Firefox ESR < 102.11, and Thunderbird < 102.11. (CVE-2023-32211)

  - An attacker could have positioned a <code>datalist</code> element to obscure the address bar. This     vulnerability affects Firefox < 113, Firefox ESR < 102.11, and Thunderbird < 102.11. (CVE-2023-32212)

  - When reading a file, an uninitialized value could have been used as read limit. This vulnerability affects     Firefox < 113, Firefox ESR < 102.11, and Thunderbird < 102.11. (CVE-2023-32213)

  - Protocol handlers `ms-cxh` and `ms-cxh-full` could have been leveraged to trigger a denial of service.
    *Note: This attack only affects Windows. Other operating systems are not affected.* This vulnerability     affects Firefox < 113, Firefox ESR < 102.11, and Thunderbird < 102.11. (CVE-2023-32214)

  - Memory safety bugs present in Firefox 112 and Firefox ESR 102.10. Some of these bugs showed evidence of     memory corruption and we presume that with enough effort some of these could have been exploited to run     arbitrary code. This vulnerability affects Firefox < 113, Firefox ESR < 102.11, and Thunderbird < 102.11.
    (CVE-2023-32215)

  - Memory safety bugs present in Firefox 112. Some of these bugs showed evidence of memory corruption and we     presume that with enough effort some of these could have been exploited to run arbitrary code. This     vulnerability affects Firefox < 113. (CVE-2023-32216)

  - The error page for sites with invalid TLS certificates was missing the activation-delay Firefox uses to     protect prompts and permission dialogs from attacks that exploit human response time delays. If a     malicious page elicited user clicks in precise locations immediately before navigating to a site with a     certificate error and made the renderer extremely busy at the same time, it could create a gap between     when the error page was loaded and when the display actually refreshed. With the right timing the elicited     clicks could land in that gap and activate the button that overrides the certificate error for that site.
    This vulnerability affects Firefox ESR < 102.12, Firefox < 114, and Thunderbird < 102.12. (CVE-2023-34414)

  - When choosing a site-isolated process for a document loaded from a data: URL that was the result of a     redirect, Firefox would load that document in the same process as the site that issued the redirect. This     bypassed the site-isolation protections against Spectre-like attacks on sites that host an open     redirect. Firefox no longer follows HTTP redirects to data: URLs. This vulnerability affects Firefox <     114. (CVE-2023-34415)

  - Memory safety bugs present in Firefox 113, Firefox ESR 102.11, and Thunderbird 102.12. Some of these bugs     showed evidence of memory corruption and we presume that with enough effort some of these could have been     exploited to run arbitrary code. This vulnerability affects Firefox ESR < 102.12, Firefox < 114, and     Thunderbird < 102.12. (CVE-2023-34416)

  - Memory safety bugs present in Firefox 113. Some of these bugs showed evidence of memory corruption and we     presume that with enough effort some of these could have been exploited to run arbitrary code. This     vulnerability affects Firefox < 114. (CVE-2023-34417)

  - Insufficient validation in the Drag and Drop API in conjunction with social engineering, may have allowed     an attacker to trick end-users into creating a shortcut to local system files. This could have been     leveraged to execute arbitrary code. This vulnerability affects Firefox < 115. (CVE-2023-37203)

  - A website could have obscured the fullscreen notification by using an option element by introducing lag     via an expensive computational function. This could have led to user confusion and possible spoofing     attacks. This vulnerability affects Firefox < 115. (CVE-2023-37204)

  - The use of RTL Arabic characters in the address bar may have allowed for URL spoofing. This vulnerability     affects Firefox < 115. (CVE-2023-37205)

  - Uploading files which contain symlinks may have allowed an attacker to trick a user into submitting     sensitive data to a malicious website. This vulnerability affects Firefox < 115. (CVE-2023-37206)

  - A use-after-free condition existed in `NotifyOnHistoryReload` where a `LoadingSessionHistoryEntry` object     was freed and a reference to that object remained. This resulted in a potentially exploitable condition     when the reference to that object was later reused. This vulnerability affects Firefox < 115.
    (CVE-2023-37209)

  - A website could prevent a user from exiting full-screen mode via alert and prompt calls. This could lead     to user confusion and possible spoofing attacks. This vulnerability affects Firefox < 115.
    (CVE-2023-37210)

  - Memory safety bugs present in Firefox 114. Some of these bugs showed evidence of memory corruption and we     presume that with enough effort some of these could have been exploited to run arbitrary code. This     vulnerability affects Firefox < 115. (CVE-2023-37212)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

ID	Name	Product	Family	Published	Updated	Severity
177986	Fedora 38 : firefox (2023-b9b15ebaad)	Nessus	Fedora Local Security Checks	7/5/2023	11/14/2024	high
178597	SUSE SLED15 / SLES15 / openSUSE 15 Security Update : MozillaFirefox, MozillaFirefox-branding-SLE (SUSE-SU-2023:2886-1)	Nessus	SuSE Local Security Checks	7/20/2023	7/20/2023	high
177932	Mozilla Firefox < 115.0	Nessus	Windows	7/4/2023	7/13/2023	high
178021	Fedora 37 : firefox (2023-5c979c4971)	Nessus	Fedora Local Security Checks	7/7/2023	11/14/2024	high
178405	SUSE SLES12 Security Update : MozillaFirefox, MozillaFirefox-branding-SLE (SUSE-SU-2023:2850-1)	Nessus	SuSE Local Security Checks	7/18/2023	7/18/2023	high
185928	Amazon Linux 2 : firefox (ALASFIREFOX-2023-017)	Nessus	Amazon Linux Local Security Checks	11/16/2023	12/1/2023	critical
177933	Mozilla Firefox < 115.0	Nessus	MacOS X Local Security Checks	7/4/2023	7/13/2023	high
177998	Ubuntu 20.04 LTS : Firefox vulnerabilities (USN-6201-1)	Nessus	Ubuntu Local Security Checks	7/5/2023	8/27/2024	high
178413	SUSE SLES15 Security Update : MozillaFirefox, MozillaFirefox-branding-SLE (SUSE-SU-2023:2849-1)	Nessus	SuSE Local Security Checks	7/18/2023	7/18/2023	high
187727	GLSA-202401-10 : Mozilla Firefox: Multiple Vulnerabilities	Nessus	Gentoo Local Security Checks	1/9/2024	1/10/2024	critical

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