The version of Firefox installed on the remote Windows host is prior to 125.0. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2024-18 advisory.

  - GetBoundName could return the wrong version of an object when JIT optimizations were applied.
    (CVE-2024-3852)

  - A use-after-free could result if a JavaScript realm was in the process of being initialized when a garbage     collection started. (CVE-2024-3853)

  - In some code patterns the JIT incorrectly optimized switch statements and generated code with out-of-     bounds-reads. (CVE-2024-3854)

  - In certain cases the JIT incorrectly optimized MSubstr operations, which led to out-of-bounds reads.
    (CVE-2024-3855)

  - A use-after-free could occur during WASM execution if garbage collection ran during the creation of an     array. (CVE-2024-3856)

  - The JIT created incorrect code for arguments in certain cases. This led to potential use-after-free     crashes during garbage collection. (CVE-2024-3857)

  - It was possible to mutate a JavaScript object so that the JIT could crash while tracing it.
    (CVE-2024-3858)

  - On 32-bit versions there were integer-overflows that led to an out-of-bounds-read that potentially could     be triggered by a malformed OpenType font. (CVE-2024-3859)

  - An out-of-memory condition during object initialization could result in an empty shape list. If the JIT     subsequently traced the object it would crash. (CVE-2024-3860)

  - If an AlignedBuffer were assigned to itself, the subsequent self-move could result in an incorrect     reference count and later use-after-free. (CVE-2024-3861)

  - The MarkStack assignment operator, part of the JavaScript engine, could access uninitialized memory if it     were used in a self-assignment. (CVE-2024-3862)

  - The executable file warning was not presented when downloading .xrm-ms files.   Note: This issue only     affected Windows operating systems. Other operating systems are unaffected. (CVE-2024-3863)

  - There was no limit to the number of HTTP/2 CONTINUATION frames that would be processed. A server could     abuse this to create an Out of Memory condition in the browser. (CVE-2024-3302)

  - Memory safety bug present in Firefox 124, Firefox ESR 115.9, and Thunderbird 115.9. This bug showed     evidence of memory corruption and we presume that with enough effort this could have been exploited to run     arbitrary code. (CVE-2024-3864)

  - Memory safety bugs present in Firefox 124. 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-2024-3865)

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

The remote Debian 11 / 12 host has packages installed that are affected by multiple vulnerabilities as referenced in the dsa-5663 advisory.

    -----BEGIN PGP SIGNED MESSAGE-----     Hash: SHA512

    - -------------------------------------------------------------------------     Debian Security Advisory DSA-5663-1                   security@debian.org     https://www.debian.org/security/                       Moritz Muehlenhoff     April 17, 2024                        https://www.debian.org/security/faq
    - -------------------------------------------------------------------------

    Package        : firefox-esr     CVE ID         : CVE-2024-2609 CVE-2024-3302 CVE-2024-3852 CVE-2024-3854                      CVE-2024-3857 CVE-2024-3859 CVE-2024-3861 CVE-2024-3864

    Multiple security issues have been found in the Mozilla Firefox web     browser, which could potentially result in the execution of arbitrary     code or clickjacking.

    For the oldstable distribution (bullseye), these problems have been fixed     in version 115.10.0esr-1~deb11u1.

    For the stable distribution (bookworm), these problems have been fixed in     version 115.10.0esr-1~deb12u1.

    We recommend that you upgrade your firefox-esr packages.

    For the detailed security status of firefox-esr please refer to     its security tracker page at:
    https://security-tracker.debian.org/tracker/firefox-esr

    Further information about Debian Security Advisories, how to apply     these updates to your system and frequently asked questions can be     found at: https://www.debian.org/security/

    Mailing list: debian-security-announce@lists.debian.org
    -----BEGIN PGP SIGNATURE-----

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    -----END PGP SIGNATURE-----

    Reply to:
    debian-security-announce@lists.debian.org     Moritz Muehlenhoff (on-list)     Moritz Muehlenhoff (off-list)

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Tenable has extracted the preceding description block directly from the Debian 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 Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2024:1905 advisory.

    Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and     portability.

    This update upgrades Firefox to version 115.10.0 ESR.

    Security Fix(es):

    * GetBoundName in the JIT returned the wrong object (CVE-2024-3852)

    * Out-of-bounds-read after mis-optimized switch statement (CVE-2024-3854)

    * Incorrect JITting of arguments led to use-after-free during garbage collection (CVE-2024-3857)

    * Permission prompt input delay could expire when not in focus (CVE-2024-2609)

    * Integer-overflow led to out-of-bounds-read in the OpenType sanitizer (CVE-2024-3859)

    * Potential use-after-free due to AlignedBuffer self-move (CVE-2024-3861)

    * Memory safety bug fixed in Firefox 125, Firefox ESR 115.10, and Thunderbird 115.10 (CVE-2024-3864)

    For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and     other related information, refer to the CVE page(s) listed in the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux 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
193366	Mozilla Firefox < 125.0	Nessus	Windows	4/16/2024	4/2/2025	critical
193446	Debian dsa-5663 : firefox-esr - security update	Nessus	Debian Local Security Checks	4/17/2024	4/2/2025	high
193511	RHEL 9 : firefox (RHSA-2024:1905)	Nessus	Red Hat Local Security Checks	4/18/2024	4/2/2025	high

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