Memory safety bugs present in Firefox ESR 140.2, Thunderbird ESR 140.2, Firefox 142 and Thunderbird 142. 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 < 143, Firefox ESR < 140.3, Thunderbird < 143, and Thunderbird < 140.3.

The remote SUSE Linux SLES12 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2025:03287-1 advisory.

    Firefox Extended Support Release 140.3.0 ESR (bsc#1249391).

    MFSA 2025-75:

      * CVE-2025-10527 (bmo#1984825)         Sandbox escape due to use-after-free in the Graphics:
        Canvas2D component
      * CVE-2025-10528 (bmo#1986185)         Sandbox escape due to undefined behavior, invalid pointer in         the Graphics: Canvas2D component
      * CVE-2025-10529 (bmo#1970490)         Same-origin policy bypass in the Layout component
      * CVE-2025-10532 (bmo#1979502)         Incorrect boundary conditions in the JavaScript: GC component
      * CVE-2025-10533 (bmo#1980788)         Integer overflow in the SVG component
      * CVE-2025-10536 (bmo#1981502)         Information disclosure in the Networking: Cache component
      * CVE-2025-10537 (bmo#1938220, bmo#1980730, bmo#1981280,         bmo#1981283, bmo#1984505, bmo#1985067)         Memory safety bugs fixed in Firefox ESR 140.3, Thunderbird         ESR 140.3, Firefox 143 and Thunderbird 143

Tenable has extracted the preceding description block directly from the SUSE 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-2025:03291-1 advisory.

    Firefox Extended Support Release 140.3.0 ESR (bsc#1249391).

    MFSA 2025-75:

      * CVE-2025-10527 (bmo#1984825)         Sandbox escape due to use-after-free in the Graphics:
        Canvas2D component
      * CVE-2025-10528 (bmo#1986185)         Sandbox escape due to undefined behavior, invalid pointer in         the Graphics: Canvas2D component
      * CVE-2025-10529 (bmo#1970490)         Same-origin policy bypass in the Layout component
      * CVE-2025-10532 (bmo#1979502)         Incorrect boundary conditions in the JavaScript: GC component
      * CVE-2025-10533 (bmo#1980788)         Integer overflow in the SVG component
      * CVE-2025-10536 (bmo#1981502)         Information disclosure in the Networking: Cache component
      * CVE-2025-10537 (bmo#1938220, bmo#1980730, bmo#1981280,         bmo#1981283, bmo#1984505, bmo#1985067)         Memory safety bugs fixed in Firefox ESR 140.3, Thunderbird         ESR 140.3, Firefox 143 and Thunderbird 143

Tenable has extracted the preceding description block directly from the SUSE 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 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2025:16260 advisory.

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

    Security Fix(es):

    * firefox: thunderbird: Sandbox escape due to use-after-free in the Graphics: Canvas2D component     (CVE-2025-10527)

    * firefox: thunderbird: Incorrect boundary conditions in the JavaScript: GC component (CVE-2025-10532)

    * firefox: thunderbird: Sandbox escape due to undefined behavior, invalid pointer in the Graphics:
    Canvas2D component (CVE-2025-10528)

    * firefox: thunderbird: Same-origin policy bypass in the Layout component (CVE-2025-10529)

    * firefox: thunderbird: Memory safety bugs fixed in Firefox ESR 140.3, Thunderbird ESR 140.3, Firefox 143     and Thunderbird 143 (CVE-2025-10537)

    * firefox: thunderbird: Information disclosure in the Networking: Cache component (CVE-2025-10536)

    * firefox: thunderbird: Integer overflow in the SVG component (CVE-2025-10533)

    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.

The version of Firefox installed on the remote macOS or Mac OS X host is prior to 143.0. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2025-73 advisory.

  - Memory safety bugs present in Firefox ESR 140.2, Thunderbird ESR 140.2, Firefox 142 and Thunderbird 142.
    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-2025-10537)

  - This vulnerability affects Firefox < 143, Firefox ESR < 140.3, Thunderbird < 143, and Thunderbird < 140.3.
    (CVE-2025-10527, CVE-2025-10528, CVE-2025-10529, CVE-2025-10532, CVE-2025-10536)

  - This vulnerability affects Firefox < 143 and Thunderbird < 143. (CVE-2025-10530, CVE-2025-10531,     CVE-2025-10534)

  - This vulnerability affects Firefox < 143, Firefox ESR < 115.28, Firefox ESR < 140.3, Thunderbird < 143,     and Thunderbird < 140.3. (CVE-2025-10533)

  - This vulnerability affects Firefox < 143. (CVE-2025-10535)

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 143.0. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2025-73 advisory.

  - Memory safety bugs present in Firefox ESR 140.2, Thunderbird ESR 140.2, Firefox 142 and Thunderbird 142.
    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-2025-10537)

  - This vulnerability affects Firefox < 143, Firefox ESR < 140.3, Thunderbird < 143, and Thunderbird < 140.3.
    (CVE-2025-10527, CVE-2025-10528, CVE-2025-10529, CVE-2025-10532, CVE-2025-10536)

  - This vulnerability affects Firefox < 143 and Thunderbird < 143. (CVE-2025-10530, CVE-2025-10531,     CVE-2025-10534)

  - This vulnerability affects Firefox < 143, Firefox ESR < 115.28, Firefox ESR < 140.3, Thunderbird < 143,     and Thunderbird < 140.3. (CVE-2025-10533)

  - This vulnerability affects Firefox < 143. (CVE-2025-10535)

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 143.0. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2025-77 advisory.

  - Memory safety bugs present in Firefox ESR 140.2, Thunderbird ESR 140.2, Firefox 142 and Thunderbird 142.
    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-2025-10537)

  - This vulnerability affects Firefox < 143, Firefox ESR < 140.3, Thunderbird < 143, and Thunderbird < 140.3.
    (CVE-2025-10527, CVE-2025-10528, CVE-2025-10529, CVE-2025-10532, CVE-2025-10536)

  - This vulnerability affects Firefox < 143 and Thunderbird < 143. (CVE-2025-10530, CVE-2025-10531,     CVE-2025-10534)

  - This vulnerability affects Firefox < 143, Firefox ESR < 115.28, Firefox ESR < 140.3, Thunderbird < 143,     and Thunderbird < 140.3. (CVE-2025-10533)

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 143.0. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2025-77 advisory.

  - Memory safety bugs present in Firefox ESR 140.2, Thunderbird ESR 140.2, Firefox 142 and Thunderbird 142.
    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-2025-10537)

  - This vulnerability affects Firefox < 143, Firefox ESR < 140.3, Thunderbird < 143, and Thunderbird < 140.3.
    (CVE-2025-10527, CVE-2025-10528, CVE-2025-10529, CVE-2025-10532, CVE-2025-10536)

  - This vulnerability affects Firefox < 143 and Thunderbird < 143. (CVE-2025-10530, CVE-2025-10531,     CVE-2025-10534)

  - This vulnerability affects Firefox < 143, Firefox ESR < 115.28, Firefox ESR < 140.3, Thunderbird < 143,     and Thunderbird < 140.3. (CVE-2025-10533)

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 140.3. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2025-78 advisory.

  - Memory safety bugs present in Firefox ESR 140.2, Thunderbird ESR 140.2, Firefox 142 and Thunderbird 142.
    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-2025-10537)

  - This vulnerability affects Firefox < 143, Firefox ESR < 140.3, Thunderbird < 143, and Thunderbird < 140.3.
    (CVE-2025-10527, CVE-2025-10528, CVE-2025-10529, CVE-2025-10532, CVE-2025-10536)

  - This vulnerability affects Firefox < 143, Firefox ESR < 115.28, Firefox ESR < 140.3, Thunderbird < 143,     and Thunderbird < 140.3. (CVE-2025-10533)

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 140.3. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2025-78 advisory.

  - Memory safety bugs present in Firefox ESR 140.2, Thunderbird ESR 140.2, Firefox 142 and Thunderbird 142.
    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-2025-10537)

  - This vulnerability affects Firefox < 143, Firefox ESR < 140.3, Thunderbird < 143, and Thunderbird < 140.3.
    (CVE-2025-10527, CVE-2025-10528, CVE-2025-10529, CVE-2025-10532, CVE-2025-10536)

  - This vulnerability affects Firefox < 143, Firefox ESR < 115.28, Firefox ESR < 140.3, Thunderbird < 143,     and Thunderbird < 140.3. (CVE-2025-10533)

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 host has packages installed that are affected by multiple vulnerabilities as referenced in the dla-4305 advisory.

    - -------------------------------------------------------------------------     Debian LTS Advisory DLA-4305-1                debian-lts@lists.debian.org     https://www.debian.org/lts/security/               Emilio Pozuelo Monfort     September 19, 2025                            https://wiki.debian.org/LTS
    - -------------------------------------------------------------------------

    Package        : firefox-esr     Version        : 140.3.0esr-1~deb11u2     CVE ID         : CVE-2025-10527 CVE-2025-10528 CVE-2025-10529 CVE-2025-10532                      CVE-2025-10533 CVE-2025-10536 CVE-2025-10537

    Multiple security issues have been found in the Mozilla Firefox web     browser, which could potentially result in the execution of arbitrary     code, sandbox escape, information disclosure or bypass of the same-origin     policy.

    Debian follows the extended support releases (ESR) of Firefox.
    So starting with this update we're now following the 140.x releases.

    Between 128.x and 140.x, Firefox has seen a number of feature     updates. For more information please refer to     https://www.firefox.com/en-US/firefox/140.0esr/releasenotes/

    For Debian 11 bullseye, these problems have been fixed in version     140.3.0esr-1~deb11u2.

    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 LTS security advisories, how to apply     these updates to your system and frequently asked questions can be     found at: https://wiki.debian.org/LTS

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 Debian 12 / 13 host has packages installed that are affected by multiple vulnerabilities as referenced in the dsa-6003 advisory.

    - -------------------------------------------------------------------------     Debian Security Advisory DSA-6003-1                   security@debian.org     https://www.debian.org/security/                       Moritz Muehlenhoff     September 18, 2025                    https://www.debian.org/security/faq
    - -------------------------------------------------------------------------

    Package        : firefox-esr     CVE ID         : CVE-2025-10527 CVE-2025-10528 CVE-2025-10529                      CVE-2025-10532 CVE-2025-10533 CVE-2025-10536                      CVE-2025-10537

    Multiple security issues have been found in the Mozilla Firefox web     browser, which could potentially result in the execution of arbitrary     code, sandbox escape, information disclosure or bypass of the same-origin     policy.

    Debian follows the extended support releases (ESR) of Firefox.
    So starting with this update we're now following the 140.x releases.

    Between 128.x and 140.x, Firefox has seen a number of feature     updates. For more information please refer to     https://www.firefox.com/en-US/firefox/140.0esr/releasenotes/


    For the oldstable distribution (bookworm), these problems have been fixed     in version 140.3.0esr-1~deb12u1.

    For the stable distribution (trixie), these problems have been fixed in     version 140.3.0esr-1~deb13u1.

    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

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 Oracle Linux 10 host has a package installed that is affected by multiple vulnerabilities as referenced in the ELSA-2025-16109 advisory.

    [140.3.0-1.0.1]
    - Fix firefox-oracle-default-prefs.js for new nss [Orabug: 37079773]
    - Add firefox-oracle-default-prefs.js and remove the corresponding Red Hat file

    [140.3.0]
    - Add debranding patches (Mustafa Gezen)
    - Add OpenELA default preferences (Louis Abel)

    [140.3.0-1]
    - Update to 140.3.0

Tenable has extracted the preceding description block directly from the Oracle 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.

The remote Oracle Linux 10 host has a package installed that is affected by multiple vulnerabilities as referenced in the ELSA-2025-16157 advisory.

    [140.3.0-1.0.1]
    - Add Oracle prefs

    [140.3.0]
    - Add OpenELA debranding

    [140.3.0-1]
    - Update to 140.3.0 ESR

Tenable has extracted the preceding description block directly from the Oracle 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.

The remote Oracle Linux 9 host has a package installed that is affected by multiple vulnerabilities as referenced in the ELSA-2025-16156 advisory.

    [140.3.0-1.0.1]
    - Fix prefs for new nss [Orabug: 37079813]
    - Add Oracle prefs

    [140.3.0]
    - Add OpenELA debranding

    [140.3.0-1]
    - Update to 140.3.0 ESR

Tenable has extracted the preceding description block directly from the Oracle 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.

The remote Redhat Enterprise Linux 9 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2025:16156 advisory.

    Mozilla Thunderbird is a standalone mail and newsgroup client.

    Security Fix(es):

    * firefox: thunderbird: Sandbox escape due to use-after-free in the Graphics: Canvas2D component     (CVE-2025-10527)

    * firefox: thunderbird: Incorrect boundary conditions in the JavaScript: GC component (CVE-2025-10532)

    * firefox: thunderbird: Sandbox escape due to undefined behavior, invalid pointer in the Graphics:
    Canvas2D component (CVE-2025-10528)

    * firefox: thunderbird: Same-origin policy bypass in the Layout component (CVE-2025-10529)

    * firefox: thunderbird: Memory safety bugs fixed in Firefox ESR 140.3, Thunderbird ESR 140.3, Firefox 143     and Thunderbird 143 (CVE-2025-10537)

    * firefox: thunderbird: Information disclosure in the Networking: Cache component (CVE-2025-10536)

    * firefox: thunderbird: Integer overflow in the SVG component (CVE-2025-10533)

    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.

The remote Redhat Enterprise Linux 10 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2025:16157 advisory.

    Mozilla Thunderbird is a standalone mail and newsgroup client.

    Security Fix(es):

    * firefox: thunderbird: Sandbox escape due to use-after-free in the Graphics: Canvas2D component     (CVE-2025-10527)

    * firefox: thunderbird: Incorrect boundary conditions in the JavaScript: GC component (CVE-2025-10532)

    * firefox: thunderbird: Sandbox escape due to undefined behavior, invalid pointer in the Graphics:
    Canvas2D component (CVE-2025-10528)

    * firefox: thunderbird: Same-origin policy bypass in the Layout component (CVE-2025-10529)

    * firefox: thunderbird: Memory safety bugs fixed in Firefox ESR 140.3, Thunderbird ESR 140.3, Firefox 143     and Thunderbird 143 (CVE-2025-10537)

    * firefox: thunderbird: Information disclosure in the Networking: Cache component (CVE-2025-10536)

    * firefox: thunderbird: Integer overflow in the SVG component (CVE-2025-10533)

    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.

The remote Fedora 41 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2025-100ae879e3 advisory.

    - New upstream release (143.0)

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 Oracle Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2025-16108 advisory.

    [140.3.0-1.0.1]
    - Fix firefox-oracle-default-prefs.js for new nss [Orabug: 37079773]
    - Add firefox-oracle-default-prefs.js and remove the corresponding Red Hat file

    [140.3.0]
    - Add debranding patches (Mustafa Gezen)
    - Add OpenELA default preferences (Louis Abel)

    [140.3.0-1]
    - Update to 140.3.0

Tenable has extracted the preceding description block directly from the Oracle 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.

The version of mozilla-firefox installed on the remote host is prior to 140.3.0esr. It is, therefore, affected by multiple vulnerabilities as referenced in the SSA:2025-260-02 advisory.

    New mozilla-firefox packages are available for Slackware 15.0 and -current to fix security issues.

Tenable has extracted the preceding description block directly from the mozilla-firefox 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 mozilla-thunderbird installed on the remote host is prior to 140.3.0esr. It is, therefore, affected by multiple vulnerabilities as referenced in the SSA:2025-260-03 advisory.

    New mozilla-thunderbird packages are available for Slackware 15.0 and -current to fix security issues.

Tenable has extracted the preceding description block directly from the mozilla-thunderbird 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-2025:16108 advisory.

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

    Security Fix(es):

    * firefox: thunderbird: Sandbox escape due to use-after-free in the Graphics: Canvas2D component     (CVE-2025-10527)

    * firefox: thunderbird: Incorrect boundary conditions in the JavaScript: GC component (CVE-2025-10532)

    * firefox: thunderbird: Sandbox escape due to undefined behavior, invalid pointer in the Graphics:
    Canvas2D component (CVE-2025-10528)

    * firefox: thunderbird: Same-origin policy bypass in the Layout component (CVE-2025-10529)

    * firefox: thunderbird: Memory safety bugs fixed in Firefox ESR 140.3, Thunderbird ESR 140.3, Firefox 143     and Thunderbird 143 (CVE-2025-10537)

    * firefox: thunderbird: Information disclosure in the Networking: Cache component (CVE-2025-10536)

    * firefox: thunderbird: Integer overflow in the SVG component (CVE-2025-10533)

    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.

The remote Redhat Enterprise Linux 10 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2025:16109 advisory.

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

    Security Fix(es):

    * firefox: thunderbird: Sandbox escape due to use-after-free in the Graphics: Canvas2D component     (CVE-2025-10527)

    * firefox: thunderbird: Incorrect boundary conditions in the JavaScript: GC component (CVE-2025-10532)

    * firefox: thunderbird: Sandbox escape due to undefined behavior, invalid pointer in the Graphics:
    Canvas2D component (CVE-2025-10528)

    * firefox: thunderbird: Same-origin policy bypass in the Layout component (CVE-2025-10529)

    * firefox: thunderbird: Memory safety bugs fixed in Firefox ESR 140.3, Thunderbird ESR 140.3, Firefox 143     and Thunderbird 143 (CVE-2025-10537)

    * firefox: thunderbird: Information disclosure in the Networking: Cache component (CVE-2025-10536)

    * firefox: thunderbird: Integer overflow in the SVG component (CVE-2025-10533)

    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.

The remote Fedora 42 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2025-4dca10ca2c advisory.

    - New upstream release (143.0)

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 Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - Memory safety bugs present in Firefox ESR 140.2, Thunderbird ESR 140.2, Firefox 142 and Thunderbird 142.
    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 < 143, Firefox     ESR < 140.3, Thunderbird < 143, and Thunderbird < 140.3. (CVE-2025-10537)

Note that Nessus relies on the presence of the package as reported by the vendor.

The version of Firefox ESR installed on the remote Windows host is prior to 140.3. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2025-75 advisory.

  - Memory safety bugs present in Firefox ESR 140.2, Thunderbird ESR 140.2, Firefox 142 and Thunderbird 142.
    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-2025-10537)

  - This vulnerability affects Firefox < 143, Firefox ESR < 115.28, Firefox ESR < 140.3, Thunderbird < 143,     and Thunderbird < 140.3. (CVE-2025-10533)

  - This vulnerability affects Firefox < 143, Firefox ESR < 140.3, Thunderbird < 143, and Thunderbird < 140.3.
    (CVE-2025-10527, CVE-2025-10528, CVE-2025-10529, CVE-2025-10532, CVE-2025-10536)

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 ESR installed on the remote macOS or Mac OS X host is prior to 140.3. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2025-75 advisory.

  - Memory safety bugs present in Firefox ESR 140.2, Thunderbird ESR 140.2, Firefox 142 and Thunderbird 142.
    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-2025-10537)

  - This vulnerability affects Firefox < 143, Firefox ESR < 115.28, Firefox ESR < 140.3, Thunderbird < 143,     and Thunderbird < 140.3. (CVE-2025-10533)

  - This vulnerability affects Firefox < 143, Firefox ESR < 140.3, Thunderbird < 143, and Thunderbird < 140.3.
    (CVE-2025-10527, CVE-2025-10528, CVE-2025-10529, CVE-2025-10532, CVE-2025-10536)

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	Severity
265748	SUSE SLES12 Security Update : MozillaFirefox (SUSE-SU-2025:03287-1)	Nessus	SuSE Local Security Checks	high
265726	SUSE SLED15 / SLES15 / openSUSE 15 Security Update : MozillaFirefox (SUSE-SU-2025:03291-1)	Nessus	SuSE Local Security Checks	high
265686	RHEL 8 : firefox (RHSA-2025:16260)	Nessus	Red Hat Local Security Checks	high
265450	Mozilla Firefox < 143.0	Nessus	MacOS X Local Security Checks	high
265449	Mozilla Firefox < 143.0	Nessus	Windows	high
265448	Mozilla Thunderbird < 143.0	Nessus	Windows	high
265447	Mozilla Thunderbird < 143.0	Nessus	MacOS X Local Security Checks	high
265446	Mozilla Thunderbird < 140.3	Nessus	Windows	high
265445	Mozilla Thunderbird < 140.3	Nessus	MacOS X Local Security Checks	high
265427	Debian dla-4305 : firefox-esr - security update	Nessus	Debian Local Security Checks	high
265416	Debian dsa-6003 : firefox-esr - security update	Nessus	Debian Local Security Checks	high
265415	Oracle Linux 10 : firefox (ELSA-2025-16109)	Nessus	Oracle Linux Local Security Checks	high
265413	Oracle Linux 10 : thunderbird (ELSA-2025-16157)	Nessus	Oracle Linux Local Security Checks	high
265412	Oracle Linux 9 : thunderbird (ELSA-2025-16156)	Nessus	Oracle Linux Local Security Checks	high
265402	RHEL 9 : thunderbird (RHSA-2025:16156)	Nessus	Red Hat Local Security Checks	high
265400	RHEL 10 : thunderbird (RHSA-2025:16157)	Nessus	Red Hat Local Security Checks	high
265386	Fedora 41 : firefox (2025-100ae879e3)	Nessus	Fedora Local Security Checks	high
265380	Oracle Linux 9 : firefox (ELSA-2025-16108)	Nessus	Oracle Linux Local Security Checks	high
265366	Slackware Linux 15.0 / current mozilla-firefox Multiple Vulnerabilities (SSA:2025-260-02)	Nessus	Slackware Local Security Checks	high
265365	Slackware Linux 15.0 / current mozilla-thunderbird Multiple Vulnerabilities (SSA:2025-260-03)	Nessus	Slackware Local Security Checks	high
265350	RHEL 9 : firefox (RHSA-2025:16108)	Nessus	Red Hat Local Security Checks	high
265341	RHEL 10 : firefox (RHSA-2025:16109)	Nessus	Red Hat Local Security Checks	high
265310	Fedora 42 : firefox (2025-4dca10ca2c)	Nessus	Fedora Local Security Checks	high
265250	Linux Distros Unpatched Vulnerability : CVE-2025-10537	Nessus	Misc.	high
265059	Mozilla Firefox ESR < 140.3	Nessus	Windows	high
265058	Mozilla Firefox ESR < 140.3	Nessus	MacOS X Local Security Checks	high

Detections

Analytics

CVE-2025-10537

high

Tenable Plugins

high

high

high

high

high

high

high

high

high

high

high

high

high

high

high

high

high

high

high

high

high

high

high

high

high

high