The remote Debian 11 host has packages installed that are affected by multiple vulnerabilities as referenced in the dsa-5271 advisory.

  -  Please review the referenced CVE identifiers for details.  (CVE-2022-40303, CVE-2022-40304)

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 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2022:3692-1 advisory.

  - An issue was discovered in libxml2 before 2.10.3. When parsing a multi-gigabyte XML document with the     XML_PARSE_HUGE parser option enabled, several integer counters can overflow. This results in an attempt to     access an array at a negative 2GB offset, typically leading to a segmentation fault. (CVE-2022-40303)

  - An issue was discovered in libxml2 before 2.10.3. Certain invalid XML entity definitions can corrupt a     hash table key, potentially leading to subsequent logic errors. In one case, a double-free can be     provoked. (CVE-2022-40304)

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

The remote Oracle Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2023-0173 advisory.

  - An issue was discovered in libxml2 before 2.10.3. When parsing a multi-gigabyte XML document with the     XML_PARSE_HUGE parser option enabled, several integer counters can overflow. This results in an attempt to     access an array at a negative 2GB offset, typically leading to a segmentation fault. (CVE-2022-40303)

  - An issue was discovered in libxml2 before 2.10.3. Certain invalid XML entity definitions can corrupt a     hash table key, potentially leading to subsequent logic errors. In one case, a double-free can be     provoked. (CVE-2022-40304)

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

The remote Rocky Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2023:0338 advisory.

  - An issue was discovered in libxml2 before 2.10.3. When parsing a multi-gigabyte XML document with the     XML_PARSE_HUGE parser option enabled, several integer counters can overflow. This results in an attempt to     access an array at a negative 2GB offset, typically leading to a segmentation fault. (CVE-2022-40303)

  - An issue was discovered in libxml2 before 2.10.3. Certain invalid XML entity definitions can corrupt a     hash table key, potentially leading to subsequent logic errors. In one case, a double-free can be     provoked. (CVE-2022-40304)

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

The remote CentOS Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the CESA-2023:0173 advisory.

  - An issue was discovered in libxml2 before 2.10.3. When parsing a multi-gigabyte XML document with the     XML_PARSE_HUGE parser option enabled, several integer counters can overflow. This results in an attempt to     access an array at a negative 2GB offset, typically leading to a segmentation fault. (CVE-2022-40303)

  - An issue was discovered in libxml2 before 2.10.3. Certain invalid XML entity definitions can corrupt a     hash table key, potentially leading to subsequent logic errors. In one case, a double-free can be     provoked. (CVE-2022-40304)

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

According to its banner, the version of Apple TV on the remote device is prior to 16.2. It is therefore affected by multiple vulnerabilities as described in the HT213535

The remote host is running a version of macOS / Mac OS X that is 12.x prior to 12.6.2. It is, therefore, affected by multiple vulnerabilities:

  - The issue was addressed with improved memory handling. This issue is fixed in macOS Monterey 12.6.2, macOS     Ventura 13.1. An app may be able to disclose kernel memory. (CVE-2022-42854)

  - A logic issue was addressed with improved checks. This issue is fixed in macOS Monterey 12.6.2, macOS Big     Sur 11.7.2, macOS Ventura 13. An app may bypass Gatekeeper checks. (CVE-2022-42821)

  - An access issue was addressed with improved access restrictions. This issue is fixed in macOS Ventura     13.1. An app may be able to modify protected parts of the file system. (CVE-2022-42853)

  - The issue was addressed with improved memory handling. This issue is fixed in macOS Monterey 12.6.2, macOS     Ventura 13.1, macOS Big Sur 11.7.2. An app may be able to execute arbitrary code with kernel privileges.
    (CVE-2022-32942)

  - This issue was addressed with improved checks. This issue is fixed in iOS 16.2 and iPadOS 16.2, macOS     Monterey 12.6.2, macOS Ventura 13.1, iOS 15.7.2 and iPadOS 15.7.2. An app may be able to break out of its     sandbox. (CVE-2022-42861)

  - A race condition was addressed with improved state handling. This issue is fixed in tvOS 16.2, macOS     Monterey 12.6.2, macOS Ventura 13.1, macOS Big Sur 11.7.2, iOS 15.7.2 and iPadOS 15.7.2, iOS 16.2 and     iPadOS 16.2, watchOS 9.2. An app may be able to execute arbitrary code with kernel privileges.
    (CVE-2022-42864)

  - A race condition was addressed with additional validation. This issue is fixed in tvOS 16.2, macOS     Monterey 12.6.2, macOS Ventura 13.1, macOS Big Sur 11.7.2, iOS 15.7.2 and iPadOS 15.7.2, iOS 16.2 and     iPadOS 16.2, watchOS 9.2. An app may be able to execute arbitrary code with kernel privileges.
    (CVE-2022-46689)

  - The issue was addressed with improved memory handling. This issue is fixed in tvOS 16.2, macOS Monterey     12.6.2, macOS Ventura 13.1, macOS Big Sur 11.7.2, iOS 16.2 and iPadOS 16.2, watchOS 9.2. An app with root     privileges may be able to execute arbitrary code with kernel privileges. (CVE-2022-42845)

  - The issue was addressed with improved memory handling. This issue is fixed in tvOS 16.2, macOS Monterey     12.6.2, macOS Ventura 13.1, macOS Big Sur 11.7.2, iOS 16.2 and iPadOS 16.2, watchOS 9.2. A remote user may     be able to cause kernel code execution. (CVE-2022-42842)

  - An issue was discovered in libxml2 before 2.10.3. When parsing a multi-gigabyte XML document with the     XML_PARSE_HUGE parser option enabled, several integer counters can overflow. This results in an attempt to     access an array at a negative 2GB offset, typically leading to a segmentation fault. (CVE-2022-40303)

  - An issue was discovered in libxml2 before 2.10.3. Certain invalid XML entity definitions can corrupt a     hash table key, potentially leading to subsequent logic errors. In one case, a double-free can be     provoked. (CVE-2022-40304)

  - A logic issue was addressed with improved state management. This issue is fixed in macOS Ventura 13.1,     macOS Big Sur 11.7.2, macOS Monterey 12.6.2. An app may be able to modify protected parts of the file     system. (CVE-2022-46704)

  - The issue was addressed with improved memory handling. This issue is fixed in macOS Monterey 12.6.2, macOS     Ventura 13.1, macOS Big Sur 11.7.2, iOS 15.7.2 and iPadOS 15.7.2, iOS 16.2 and iPadOS 16.2. An app may be     able to execute arbitrary code with kernel privileges. (CVE-2022-42840)

  - A logic issue was addressed with improved state management. This issue is fixed in tvOS 16.2, macOS     Monterey 12.6.2, macOS Ventura 13.1, iOS 15.7.2 and iPadOS 15.7.2, iOS 16.2 and iPadOS 16.2. An app may be     able to use arbitrary entitlements. (CVE-2022-42855)

  - A logic issue was addressed with improved restrictions. This issue is fixed in iOS 15.7.2 and iPadOS     15.7.2, macOS Ventura 13.1, macOS Big Sur 11.7.2, macOS Monterey 12.6.2. An app may be able to read     sensitive location information (CVE-2022-46718)

  - A logic issue was addressed with improved restrictions. This issue is fixed in iOS 15.7.2 and iPadOS     15.7.2, macOS Ventura 13.1, iOS 16.2 and iPadOS 16.2. An app may be able to read sensitive location     information (CVE-2022-46703)

  - A type confusion issue was addressed with improved checks. This issue is fixed in macOS Monterey 12.6.2,     macOS Ventura 13.1, macOS Big Sur 11.7.2. Processing a maliciously crafted package may lead to arbitrary     code execution. (CVE-2022-42841)

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

The remote host is running a version of macOS / Mac OS X that is 11.x prior to 11.7.2. It is, therefore, affected by multiple vulnerabilities:

  - This issue was addressed by enabling hardened runtime. This issue is fixed in iOS 16.2 and iPadOS 16.2,     macOS Ventura 13.1, tvOS 16.2, watchOS 9.2. An app may be able to bypass Privacy preferences.
    (CVE-2022-42865)

  - A logic issue was addressed with improved checks. This issue is fixed in macOS Monterey 12.6.2, macOS Big     Sur 11.7.2, macOS Ventura 13. An app may bypass Gatekeeper checks. (CVE-2022-42821)

  - The issue was addressed with improved memory handling. This issue is fixed in macOS Monterey 12.6.2, macOS     Ventura 13.1, macOS Big Sur 11.7.2. An app may be able to execute arbitrary code with kernel privileges.
    (CVE-2022-32942)

  - A race condition was addressed with improved state handling. This issue is fixed in tvOS 16.2, macOS     Monterey 12.6.2, macOS Ventura 13.1, macOS Big Sur 11.7.2, iOS 15.7.2 and iPadOS 15.7.2, iOS 16.2 and     iPadOS 16.2, watchOS 9.2. An app may be able to execute arbitrary code with kernel privileges.
    (CVE-2022-42864)

  - A race condition was addressed with additional validation. This issue is fixed in tvOS 16.2, macOS     Monterey 12.6.2, macOS Ventura 13.1, macOS Big Sur 11.7.2, iOS 15.7.2 and iPadOS 15.7.2, iOS 16.2 and     iPadOS 16.2, watchOS 9.2. An app may be able to execute arbitrary code with kernel privileges.
    (CVE-2022-46689)

  - The issue was addressed with improved memory handling. This issue is fixed in tvOS 16.2, macOS Monterey     12.6.2, macOS Ventura 13.1, macOS Big Sur 11.7.2, iOS 16.2 and iPadOS 16.2, watchOS 9.2. An app with root     privileges may be able to execute arbitrary code with kernel privileges. (CVE-2022-42845)

  - The issue was addressed with improved memory handling. This issue is fixed in tvOS 16.2, macOS Monterey     12.6.2, macOS Ventura 13.1, macOS Big Sur 11.7.2, iOS 16.2 and iPadOS 16.2, watchOS 9.2. A remote user may     be able to cause kernel code execution. (CVE-2022-42842)

  - An issue was discovered in libxml2 before 2.10.3. When parsing a multi-gigabyte XML document with the     XML_PARSE_HUGE parser option enabled, several integer counters can overflow. This results in an attempt to     access an array at a negative 2GB offset, typically leading to a segmentation fault. (CVE-2022-40303)

  - An issue was discovered in libxml2 before 2.10.3. Certain invalid XML entity definitions can corrupt a     hash table key, potentially leading to subsequent logic errors. In one case, a double-free can be     provoked. (CVE-2022-40304)

  - A logic issue was addressed with improved state management. This issue is fixed in macOS Ventura 13.1,     macOS Big Sur 11.7.2, macOS Monterey 12.6.2. An app may be able to modify protected parts of the file     system. (CVE-2022-46704)

  - The issue was addressed with improved memory handling. This issue is fixed in macOS Monterey 12.6.2, macOS     Ventura 13.1, macOS Big Sur 11.7.2, iOS 15.7.2 and iPadOS 15.7.2, iOS 16.2 and iPadOS 16.2. An app may be     able to execute arbitrary code with kernel privileges. (CVE-2022-42840)

  - A logic issue was addressed with improved restrictions. This issue is fixed in iOS 15.7.2 and iPadOS     15.7.2, macOS Ventura 13.1, macOS Big Sur 11.7.2, macOS Monterey 12.6.2. An app may be able to read     sensitive location information (CVE-2022-46718)

  - A type confusion issue was addressed with improved checks. This issue is fixed in macOS Monterey 12.6.2,     macOS Ventura 13.1, macOS Big Sur 11.7.2. Processing a maliciously crafted package may lead to arbitrary     code execution. (CVE-2022-42841)

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

The version of libxml2 installed on the remote host is prior to 2.9.1-6.6.42. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS-2023-1743 advisory.

  - parser.c in libxml2 before 2.9.5 mishandles parameter-entity references because the NEXTL macro calls the     xmlParserHandlePEReference function in the case of a '%' character in a DTD name. (CVE-2017-16931)

  - GNOME project libxml2 v2.9.10 has a global buffer over-read vulnerability in xmlEncodeEntitiesInternal at     libxml2/entities.c. The issue has been fixed in commit 50f06b3e. (CVE-2020-24977)

  - There's a flaw in libxml2's xmllint in versions before 2.9.11. An attacker who is able to submit a crafted     file to be processed by xmllint could trigger a use-after-free. The greatest impact of this flaw is to     confidentiality, integrity, and availability. (CVE-2021-3516)

  - There is a flaw in the xml entity encoding functionality of libxml2 in versions before 2.9.11. An attacker     who is able to supply a crafted file to be processed by an application linked with the affected     functionality of libxml2 could trigger an out-of-bounds read. The most likely impact of this flaw is to     application availability, with some potential impact to confidentiality and integrity if an attacker is     able to use memory information to further exploit the application. (CVE-2021-3517)

  - There's a flaw in libxml2 in versions before 2.9.11. An attacker who is able to submit a crafted file to     be processed by an application linked with libxml2 could trigger a use-after-free. The greatest impact     from this flaw is to confidentiality, integrity, and availability. (CVE-2021-3518)

  - A vulnerability found in libxml2 in versions before 2.9.11 shows that it did not propagate errors while     parsing XML mixed content, causing a NULL dereference. If an untrusted XML document was parsed in recovery     mode and post-validated, the flaw could be used to crash the application. The highest threat from this     vulnerability is to system availability. (CVE-2021-3537)

  - A flaw was found in libxml2. Exponential entity expansion attack its possible bypassing all existing     protection mechanisms and leading to denial of service. (CVE-2021-3541)

  - valid.c in libxml2 before 2.9.13 has a use-after-free of ID and IDREF attributes. (CVE-2022-23308)

  - In libxml2 before 2.9.14, several buffer handling functions in buf.c (xmlBuf*) and tree.c (xmlBuffer*)     don't check for integer overflows. This can result in out-of-bounds memory writes. Exploitation requires a     victim to open a crafted, multi-gigabyte XML file. Other software using libxml2's buffer functions, for     example libxslt through 1.1.35, is affected as well. (CVE-2022-29824)

  - An issue was discovered in libxml2 before 2.10.3. When parsing a multi-gigabyte XML document with the     XML_PARSE_HUGE parser option enabled, several integer counters can overflow. This results in an attempt to     access an array at a negative 2GB offset, typically leading to a segmentation fault. (CVE-2022-40303)

  - An issue was discovered in libxml2 before 2.10.3. Certain invalid XML entity definitions can corrupt a     hash table key, potentially leading to subsequent logic errors. In one case, a double-free can be     provoked. (CVE-2022-40304)

  - In libxml2 before 2.10.4, parsing of certain invalid XSD schemas can lead to a NULL pointer dereference     and subsequently a segfault. This occurs in xmlSchemaFixupComplexType in xmlschemas.c. (CVE-2023-28484)

  - An issue was discovered in libxml2 before 2.10.4. When hashing empty dict strings in a crafted XML     document, xmlDictComputeFastKey in dict.c can produce non-deterministic values, leading to various logic     and memory errors, such as a double free. This behavior occurs because there is an attempt to use the     first byte of an empty string, and any value is possible (not solely the '\0' value). (CVE-2023-29469)

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 16.04 ESM host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-5760-2 advisory.

    USN-5760-1 fixed vulnerabilities in libxml2. This update provides the corresponding updates for Ubuntu     14.04 ESM and Ubuntu 16.04 ESM.

    Original advisory details:

    It was discovered that libxml2 incorrectly handled certain XML files.

    An attacker could possibly use this issue to expose sensitive information

    or cause a crash. (CVE-2022-40303)

    It was discovered that libxml2 incorrectly handled certain XML files.

    An attacker could possibly use this issue to execute arbitrary code.

    (CVE-2022-40304)

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 Ubuntu 18.04 LTS / 20.04 LTS / 22.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-5760-1 advisory.

    It was discovered that libxml2 incorrectly handled certain XML files. An attacker could possibly use this     issue to cause a crash. (CVE-2022-2309)

    It was discovered that libxml2 incorrectly handled certain XML files. An attacker could possibly use this     issue to expose sensitive information or cause a crash. (CVE-2022-40303)

    It was discovered that libxml2 incorrectly handled certain XML files. An attacker could possibly use this     issue to execute arbitrary code. (CVE-2022-40304)

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.

ID	Name	Product	Family	Published	Updated	Severity
167046	Debian DSA-5271-1 : libxml2 - security update	Nessus	Debian Local Security Checks	11/6/2022	3/22/2023	high
166422	SUSE SLED15 / SLES15 Security Update : libxml2 (SUSE-SU-2022:3692-1)	Nessus	SuSE Local Security Checks	10/22/2022	7/14/2023	high
170091	Oracle Linux 8 : libxml2 (ELSA-2023-0173)	Nessus	Oracle Linux Local Security Checks	1/16/2023	9/15/2023	high
185073	Rocky Linux 9 : libxml2 (RLSA-2023:0338)	Nessus	Rocky Linux Local Security Checks	11/7/2023	11/7/2023	high
190175	CentOS 8 : libxml2 (CESA-2023:0173)	Nessus	CentOS Local Security Checks	2/8/2024	2/8/2024	high
169649	Apple TV < 16.2 Multiple Vulnerabilities (HT213535)	Nessus	Misc.	1/6/2023	2/1/2024	critical
168669	macOS 12.x < 12.6.2 Multiple Vulnerabilities (HT213533)	Nessus	MacOS X Local Security Checks	12/13/2022	6/25/2024	critical
168670	macOS 11.x < 11.7.2 Multiple Vulnerabilities (HT213534)	Nessus	MacOS X Local Security Checks	12/13/2022	5/28/2024	critical
175091	Amazon Linux AMI : libxml2 (ALAS-2023-1743)	Nessus	Amazon Linux Local Security Checks	5/4/2023	5/5/2023	critical
168464	Ubuntu 16.04 ESM : libxml2 vulnerabilities (USN-5760-2)	Nessus	Ubuntu Local Security Checks	12/7/2022	8/28/2024	high
168460	Ubuntu 18.04 LTS / 20.04 LTS / 22.04 LTS : libxml2 vulnerabilities (USN-5760-1)	Nessus	Ubuntu Local Security Checks	12/7/2022	8/29/2024	high

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