The remote Fedora 41 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2025-96c31e2086 advisory.

    - Updated to latest upstream (137.0)

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 Fedora 40 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2025-d48f900812 advisory.

    - Updated to latest upstream (137.0)

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 version of Thunderbird installed on the remote Windows host is prior to 137.0. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2025-23 advisory.

  - Memory safety bugs present in Firefox 136 and Thunderbird 136. 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-2025-3034)

  - JavaScript code running while transforming a document with the XSLTProcessor could lead to a use-after-     free. (CVE-2025-3028)

  - An attacker could read 32 bits of values spilled onto the stack in a JIT compiled function.
    (CVE-2025-3031)

  - Leaking of file descriptors from the fork server to web content processes could allow for privilege     escalation attacks. (CVE-2025-3032)

  - A crafted URL containing specific Unicode characters could have hidden the true origin of the page,     resulting in a potential spoofing attack. (CVE-2025-3029)

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 FreeBSD installed on the remote host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the 34c51a2b-13c8-11f0-a5bd-b42e991fc52e advisory.

    security@mozilla.org reports:
    Memory safety bugs present in Firefox 136 and Thunderbird 136.
              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.

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

Note that Nessus has not tested for this issue 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 137.0. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2025-20 advisory.

  - Memory safety bugs present in Firefox 136 and Thunderbird 136. 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-2025-3034)

  - JavaScript code running while transforming a document with the XSLTProcessor could lead to a use-after-     free. (CVE-2025-3028)

  - An attacker could read 32 bits of values spilled onto the stack in a JIT compiled function.
    (CVE-2025-3031)

  - Leaking of file descriptors from the fork server to web content processes could allow for privilege     escalation attacks. (CVE-2025-3032)

  - A crafted URL containing specific Unicode characters could have hidden the true origin of the page,     resulting in a potential spoofing attack. (CVE-2025-3029)

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 137.0. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2025-20 advisory.

  - Memory safety bugs present in Firefox 136 and Thunderbird 136. 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-2025-3034)

  - JavaScript code running while transforming a document with the XSLTProcessor could lead to a use-after-     free. (CVE-2025-3028)

  - An attacker could read 32 bits of values spilled onto the stack in a JIT compiled function.
    (CVE-2025-3031)

  - Leaking of file descriptors from the fork server to web content processes could allow for privilege     escalation attacks. (CVE-2025-3032)

  - A crafted URL containing specific Unicode characters could have hidden the true origin of the page,     resulting in a potential spoofing attack. (CVE-2025-3029)

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 Thunderbird installed on the remote macOS or Mac OS X host is prior to 137.0. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2025-23 advisory.

  - Memory safety bugs present in Firefox 136 and Thunderbird 136. 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-2025-3034)

  - JavaScript code running while transforming a document with the XSLTProcessor could lead to a use-after-     free. (CVE-2025-3028)

  - An attacker could read 32 bits of values spilled onto the stack in a JIT compiled function.
    (CVE-2025-3031)

  - Leaking of file descriptors from the fork server to web content processes could allow for privilege     escalation attacks. (CVE-2025-3032)

  - A crafted URL containing specific Unicode characters could have hidden the true origin of the page,     resulting in a potential spoofing attack. (CVE-2025-3029)

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
233747	Fedora 41 : firefox (2025-96c31e2086)	Nessus	Fedora Local Security Checks	4/2/2025	4/4/2025	high
233808	Fedora 40 : firefox (2025-d48f900812)	Nessus	Fedora Local Security Checks	4/3/2025	4/4/2025	high
233649	Mozilla Thunderbird < 137.0	Nessus	Windows	4/1/2025	4/4/2025	critical
234082	FreeBSD : Mozilla -- memory corruption (34c51a2b-13c8-11f0-a5bd-b42e991fc52e)	Nessus	FreeBSD Local Security Checks	4/9/2025	4/9/2025	high
233646	Mozilla Firefox < 137.0	Nessus	MacOS X Local Security Checks	4/1/2025	4/4/2025	critical
233647	Mozilla Firefox < 137.0	Nessus	Windows	4/1/2025	4/4/2025	critical
233648	Mozilla Thunderbird < 137.0	Nessus	MacOS X Local Security Checks	4/1/2025	4/4/2025	critical

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