Incorrect boundary conditions in the Audio/Video: Playback component. This vulnerability was fixed in Firefox 150, Thunderbird 150, Firefox ESR 140.10.1, Thunderbird 140.10.1, and Firefox ESR 115.35.2.

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-2026:2109-1 advisory.

    This update for MozillaFirefox fixes the following issues

    Update to Firefox Extended Support Release 140.11.0 ESR MFSA 2026-41, MFSA 2026-48 (bsc#1265212,     bsc#1264378):

    - CVE-2026-8090: Use-after-free in the DOM: Networking component.
    - CVE-2026-8092: Memory safety bugs fixed in Firefox ESR 115.35.2, Firefox ESR 140.10.2 and Firefox     150.0.2.
    - CVE-2026-8094: Other issue in the WebRTC component.
    - CVE-2026-8388: Incorrect boundary conditions in the JavaScript Engine: JIT component.
    - CVE-2026-8391: Other issue in the JavaScript Engine component.
    - CVE-2026-8401: Sandbox escape in the Profile Backup component.
    - CVE-2026-8946: Incorrect boundary conditions in the Audio/Video: Web Codecs component.
    - CVE-2026-8947: Use-after-free in the DOM: Bindings (WebIDL) component.
    - CVE-2026-8949: Integer overflow in the Widget: Win32 component.
    - CVE-2026-8950: Same-origin policy bypass in the Networking: HTTP component.
    - CVE-2026-8953: Sandbox escape due to use-after-free in the Disability Access APIs component.
    - CVE-2026-8954: Incorrect boundary conditions, integer overflow in the Audio/Video component.
    - CVE-2026-8955: Privilege escalation in the DOM: Workers component.
    - CVE-2026-8956: Integer overflow in the Networking: JAR component.
    - CVE-2026-8957: Privilege escalation in the Enterprise Policies component.
    - CVE-2026-8958: Information disclosure, sandbox escape in the Security: Process Sandboxing component.
    - CVE-2026-8959: Sandbox escape due to incorrect boundary conditions in the Widget: Win32 component.
    - CVE-2026-8961: Spoofing issue in the Form Autofill component.
    - CVE-2026-8962: Mitigation bypass in the DOM: Security component.
    - CVE-2026-8968: Denial-of-service due to invalid pointer in the Audio/Video: Web Codecs component.
    - CVE-2026-8970: Privilege escalation in the Security component.
    - CVE-2026-8974: Memory safety bugs fixed in Firefox ESR 140.11 and Firefox 151.
    - CVE-2026-8975: Memory safety bugs fixed in Firefox ESR 115.36, Firefox ESR 140.11 and Firefox 151.

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 version of thunderbird installed on the remote host is prior to 140.10.2-1. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2-2026-3315 advisory.

    In libexpat before 2.8.1, the computational complexity of attribute name collision checks allows a denial     of service via moderately sized crafted XML input. (CVE-2026-45186)

    Use-after-free in the DOM: Networking component. This vulnerability was fixed in Firefox 150.0.2, Firefox     ESR 140.10.2, and Firefox ESR 115.35.2. (CVE-2026-8090)

    Incorrect boundary conditions in the Audio/Video: Playback component. This vulnerability was fixed in     Firefox 150, Thunderbird 150, Firefox ESR 140.10.1, Thunderbird 140.10.1, and Firefox ESR 115.35.2.
    (CVE-2026-8091)

    Memory safety bugs present in Firefox ESR 115.35.1, Firefox ESR 140.10.1 and Firefox 150.0.1. 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 was fixed in Firefox 150.0.2, Firefox ESR     140.10.2, and Firefox ESR 115.35.2. (CVE-2026-8092)

    Other issue in the WebRTC component. This vulnerability was fixed in Firefox ESR 140.10.2. (CVE-2026-8094)

Tenable has extracted the preceding description block directly from the tested product 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 host is prior to 140.10.2-1. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2FIREFOX-2026-060 advisory.

    In libexpat before 2.8.1, the computational complexity of attribute name collision checks allows a denial     of service via moderately sized crafted XML input. (CVE-2026-45186)

    Use-after-free in the DOM: Networking component. This vulnerability was fixed in Firefox 150.0.2, Firefox     ESR 140.10.2, and Firefox ESR 115.35.2. (CVE-2026-8090)

    Incorrect boundary conditions in the Audio/Video: Playback component. This vulnerability was fixed in     Firefox 150, Thunderbird 150, Firefox ESR 140.10.1, Thunderbird 140.10.1, and Firefox ESR 115.35.2.
    (CVE-2026-8091)

    Memory safety bugs present in Firefox ESR 115.35.1, Firefox ESR 140.10.1 and Firefox 150.0.1. 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 was fixed in Firefox 150.0.2, Firefox ESR     140.10.2, and Firefox ESR 115.35.2. (CVE-2026-8092)

    Other issue in the WebRTC component. This vulnerability was fixed in Firefox ESR 140.10.2. (CVE-2026-8094)

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

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

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2026-1725 advisory.

    In libexpat before 2.8.1, the computational complexity of attribute name collision checks allows a denial     of service via moderately sized crafted XML input. (CVE-2026-45186)

    Use-after-free in the DOM: Networking component. This vulnerability was fixed in Firefox 150.0.2, Firefox     ESR 140.10.2, and Firefox ESR 115.35.2. (CVE-2026-8090)

    Incorrect boundary conditions in the Audio/Video: Playback component. This vulnerability was fixed in     Firefox 150, Thunderbird 150, Firefox ESR 140.10.1, Thunderbird 140.10.1, and Firefox ESR 115.35.2.
    (CVE-2026-8091)

    Memory safety bugs present in Firefox ESR 115.35.1, Firefox ESR 140.10.1 and Firefox 150.0.1. 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 was fixed in Firefox 150.0.2, Firefox ESR     140.10.2, and Firefox ESR 115.35.2. (CVE-2026-8092)

    Other issue in the WebRTC component. This vulnerability was fixed in Firefox ESR 140.10.2. (CVE-2026-8094)

Tenable has extracted the preceding description block directly from the tested product 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 SLES16 / SLES_SAP16 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:21607-1 advisory.

    This update for MozillaFirefox fixes the following issues

    Updated to Firefox Extended Support Release 140.10.2 ESR (bsc#1264378,MFSA 2026-41):

    - CVE-2026-8090: Use-after-free in the DOM: Networking component.
    - CVE-2026-8091: Incorrect boundary conditions in the Audio/Video: Playback component.
    - CVE-2026-8092: Memory safety bugs fixed in Firefox ESR 115.35.2, Firefox ESR 140.10.2 and Firefox     150.0.2.
    - CVE-2026-8094: Other issue in the WebRTC component.

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 SLES12 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:1830-1 advisory.

    This update for MozillaFirefox fixes the following issues

    Updated to Firefox Extended Support Release 140.10.2 ESR (bsc#1264378,MFSA 2026-41):

    - CVE-2026-8090: Use-after-free in the DOM: Networking component.
    - CVE-2026-8092: Memory safety bugs fixed in Firefox ESR 115.35.2, Firefox ESR 140.10.2 and Firefox     150.0.2.
    - CVE-2026-8094: Other issue in the WebRTC component.

    Updated to Firefox Extended Support Release 140.10.1 ESR (bsc#1263110,MFSA 2026-36):

    - CVE-2026-7320: Information disclosure due to incorrect boundary conditions in the Audio/Video component.
    - CVE-2026-7321: Sandbox escape due to incorrect boundary conditions in the WebRTC: Networking component.
    - CVE-2026-7322: Memory safety bugs fixed in Firefox ESR 115.35.1, Firefox ESR 140.10.1 and Firefox     150.0.1.
    - CVE-2026-7323: Memory safety bugs fixed in Firefox ESR 140.10.1 and Firefox 150.0.1.
    - CVE-2026-8091: Incorrect boundary conditions in the Audio/Video: Playback component.

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 version of FreeBSD installed on the remote host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the 76763f24-4aae-11f1-88d3-b42e991fc52e advisory.

    https://bugzilla.mozilla.org/show_bug.cgi?id=2029301 reports:

              Incorrect boundary conditions in the Audio/Video: Playback               component.


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

  - Incorrect boundary conditions in the Audio/Video: Playback component. This vulnerability was fixed in     Firefox 150, Thunderbird 150, Firefox ESR 140.10.1, Thunderbird 140.10.1, and Firefox ESR 115.35.2.
    (CVE-2026-8091)

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 115.35.2. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2026-42 advisory.

  - Memory safety bugs present in Firefox ESR 115.35.1, Firefox ESR 140.10.1 and Firefox 150.0.1. 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-2026-8092)

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 115.35.2. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2026-42 advisory.

  - Memory safety bugs present in Firefox ESR 115.35.1, Firefox ESR 140.10.1 and Firefox 150.0.1. 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-2026-8092)

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 43 host has packages installed that are affected by multiple vulnerabilities as referenced in the FEDORA-2026-c0a4f03150 advisory.

    Update NSS to 3.122.1     Update to Firefox 150.0

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 macOS or Mac OS X host is prior to 140.10.1. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2026-39 advisory.

  - Sandbox escape due to incorrect boundary conditions in the WebRTC: Networking component. This     vulnerability was fixed in Firefox 150, Thunderbird 150, Firefox ESR 140.10.1, and Thunderbird 140.10.1.
    (CVE-2026-7321)

  - Information disclosure due to incorrect boundary conditions in the Audio/Video component. This     vulnerability was fixed in Firefox 150.0.1, Firefox ESR 140.10.1, Firefox ESR 115.35.1, Thunderbird     150.0.1, and Thunderbird 140.10.1. (CVE-2026-7320)

  - Incorrect boundary conditions in the Audio/Video: Playback component. This vulnerability was fixed in     Firefox 150, Thunderbird 150, Firefox ESR 140.10.1, Thunderbird 140.10.1, and Firefox ESR 115.35.2.
    (CVE-2026-8091)

  - Memory safety bugs present in Thunderbird ESR 140.10.0 and Thunderbird 150.0.0. 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-2026-7322, CVE-2026-7323)

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 140.10.1. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2026-39 advisory.

  - Sandbox escape due to incorrect boundary conditions in the WebRTC: Networking component. This     vulnerability was fixed in Firefox 150, Thunderbird 150, Firefox ESR 140.10.1, and Thunderbird 140.10.1.
    (CVE-2026-7321)

  - Information disclosure due to incorrect boundary conditions in the Audio/Video component. This     vulnerability was fixed in Firefox 150.0.1, Firefox ESR 140.10.1, Firefox ESR 115.35.1, Thunderbird     150.0.1, and Thunderbird 140.10.1. (CVE-2026-7320)

  - Incorrect boundary conditions in the Audio/Video: Playback component. This vulnerability was fixed in     Firefox 150, Thunderbird 150, Firefox ESR 140.10.1, Thunderbird 140.10.1, and Firefox ESR 115.35.2.
    (CVE-2026-8091)

  - Memory safety bugs present in Thunderbird ESR 140.10.0 and Thunderbird 150.0.0. 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-2026-7322, CVE-2026-7323)

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 Windows host is prior to 140.10.1. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2026-36 advisory.

  - Sandbox escape due to incorrect boundary conditions in the WebRTC: Networking component. This     vulnerability was fixed in Firefox 150, Thunderbird 150, Firefox ESR 140.10.1, and Thunderbird 140.10.1.
    (CVE-2026-7321)

  - Information disclosure due to incorrect boundary conditions in the Audio/Video component. This     vulnerability was fixed in Firefox 150.0.1, Firefox ESR 140.10.1, Firefox ESR 115.35.1, Thunderbird     150.0.1, and Thunderbird 140.10.1. (CVE-2026-7320)

  - Incorrect boundary conditions in the Audio/Video: Playback component. This vulnerability was fixed in     Firefox 150, Thunderbird 150, Firefox ESR 140.10.1, Thunderbird 140.10.1, and Firefox ESR 115.35.2.
    (CVE-2026-8091)

  - Memory safety bugs present in Firefox ESR 115.35.0, Firefox ESR 140.10.0 and Firefox 150.0.0. 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-2026-7322)

  - Memory safety bugs present in Firefox ESR 140.10.0 and Firefox 150.0.0. 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-2026-7323)

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 140.10.1. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2026-36 advisory.

  - Sandbox escape due to incorrect boundary conditions in the WebRTC: Networking component. This     vulnerability was fixed in Firefox 150, Thunderbird 150, Firefox ESR 140.10.1, and Thunderbird 140.10.1.
    (CVE-2026-7321)

  - Information disclosure due to incorrect boundary conditions in the Audio/Video component. This     vulnerability was fixed in Firefox 150.0.1, Firefox ESR 140.10.1, Firefox ESR 115.35.1, Thunderbird     150.0.1, and Thunderbird 140.10.1. (CVE-2026-7320)

  - Incorrect boundary conditions in the Audio/Video: Playback component. This vulnerability was fixed in     Firefox 150, Thunderbird 150, Firefox ESR 140.10.1, Thunderbird 140.10.1, and Firefox ESR 115.35.2.
    (CVE-2026-8091)

  - Memory safety bugs present in Firefox ESR 115.35.0, Firefox ESR 140.10.0 and Firefox 150.0.0. 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-2026-7322)

  - Memory safety bugs present in Firefox ESR 140.10.0 and Firefox 150.0.0. 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-2026-7323)

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 packages installed that are affected by multiple vulnerabilities as referenced in the FEDORA-2026-69538c9f7e advisory.

    Update NSS to 3.122.1     Update to Firefox 150.0

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 44 host has packages installed that are affected by multiple vulnerabilities as referenced in the FEDORA-2026-fb08ad61f2 advisory.

    Update NSS to 3.122.1     Update to Firefox 150.0


    ----

    - New upstream release (149.0.2)

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 150.0. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2026-33 advisory.

  - Incorrect boundary conditions, integer overflow in the Audio/Video: Playback component. This vulnerability     was fixed in Firefox 150 and Thunderbird 150. (CVE-2026-6783)

  - Use-after-free in the DOM: Core & HTML component. This vulnerability was fixed in Firefox 150, Firefox ESR     115.35, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10. (CVE-2026-6746)

  - Use-after-free in the WebRTC component. This vulnerability was fixed in Firefox 150, Firefox ESR 140.10,     Thunderbird 150, and Thunderbird 140.10. (CVE-2026-6747)

  - Uninitialized memory in the Audio/Video: Web Codecs component. This vulnerability was fixed in Firefox     150, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10. (CVE-2026-6748, CVE-2026-6751)

  - Information disclosure due to uninitialized memory in the Graphics: Canvas2D component. This vulnerability     was fixed in Firefox 150, Firefox ESR 115.35, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10.
    (CVE-2026-6749)

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 150.0. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2026-33 advisory.

  - Incorrect boundary conditions, integer overflow in the Audio/Video: Playback component. This vulnerability     was fixed in Firefox 150 and Thunderbird 150. (CVE-2026-6783)

  - Use-after-free in the DOM: Core & HTML component. This vulnerability was fixed in Firefox 150, Firefox ESR     115.35, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10. (CVE-2026-6746)

  - Use-after-free in the WebRTC component. This vulnerability was fixed in Firefox 150, Firefox ESR 140.10,     Thunderbird 150, and Thunderbird 140.10. (CVE-2026-6747)

  - Uninitialized memory in the Audio/Video: Web Codecs component. This vulnerability was fixed in Firefox     150, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10. (CVE-2026-6748, CVE-2026-6751)

  - Information disclosure due to uninitialized memory in the Graphics: Canvas2D component. This vulnerability     was fixed in Firefox 150, Firefox ESR 115.35, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10.
    (CVE-2026-6749)

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 150.0. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2026-30 advisory.

  - Incorrect boundary conditions, integer overflow in the Audio/Video: Playback component. This vulnerability     was fixed in Firefox 150 and Thunderbird 150. (CVE-2026-6783)

  - Use-after-free in the DOM: Core & HTML component. This vulnerability was fixed in Firefox 150, Firefox ESR     115.35, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10. (CVE-2026-6746)

  - Use-after-free in the WebRTC component. This vulnerability was fixed in Firefox 150, Firefox ESR 140.10,     Thunderbird 150, and Thunderbird 140.10. (CVE-2026-6747)

  - Uninitialized memory in the Audio/Video: Web Codecs component. This vulnerability was fixed in Firefox     150, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10. (CVE-2026-6748, CVE-2026-6751)

  - Information disclosure due to uninitialized memory in the Graphics: Canvas2D component. This vulnerability     was fixed in Firefox 150, Firefox ESR 115.35, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10.
    (CVE-2026-6749)

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 150.0. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2026-30 advisory.

  - Incorrect boundary conditions, integer overflow in the Audio/Video: Playback component. This vulnerability     was fixed in Firefox 150 and Thunderbird 150. (CVE-2026-6783)

  - Use-after-free in the DOM: Core & HTML component. This vulnerability was fixed in Firefox 150, Firefox ESR     115.35, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10. (CVE-2026-6746)

  - Use-after-free in the WebRTC component. This vulnerability was fixed in Firefox 150, Firefox ESR 140.10,     Thunderbird 150, and Thunderbird 140.10. (CVE-2026-6747)

  - Uninitialized memory in the Audio/Video: Web Codecs component. This vulnerability was fixed in Firefox     150, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10. (CVE-2026-6748, CVE-2026-6751)

  - Information disclosure due to uninitialized memory in the Graphics: Canvas2D component. This vulnerability     was fixed in Firefox 150, Firefox ESR 115.35, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10.
    (CVE-2026-6749)

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
318094	SUSE SLED15 / SLES15 Security Update : MozillaFirefox (SUSE-SU-2026:2109-1)	Nessus	SuSE Local Security Checks	critical
316912	Amazon Linux 2 : thunderbird, --advisory ALAS2-2026-3315 (ALAS-2026-3315)	Nessus	Amazon Linux Local Security Checks	high
316908	Amazon Linux 2 : firefox, --advisory ALAS2FIREFOX-2026-060 (ALASFIREFOX-2026-060)	Nessus	Amazon Linux Local Security Checks	high
316905	Amazon Linux 2023 : firefox (ALAS2023-2026-1725)	Nessus	Amazon Linux Local Security Checks	high
315066	SUSE SLES16 Security Update : MozillaFirefox (SUSE-SU-2026:21607-1)	Nessus	SuSE Local Security Checks	critical
315046	SUSE SLES12 Security Update : MozillaFirefox (SUSE-SU-2026:1830-1)	Nessus	SuSE Local Security Checks	critical
313461	FreeBSD : Mozilla -- Incorrect boundary conditions (76763f24-4aae-11f1-88d3-b42e991fc52e)	Nessus	FreeBSD Local Security Checks	critical
313177	Linux Distros Unpatched Vulnerability : CVE-2026-8091	Nessus	Misc.	critical
313045	Mozilla Firefox ESR < 115.35.2	Nessus	Windows	critical
313044	Mozilla Firefox ESR < 115.35.2	Nessus	MacOS X Local Security Checks	critical
312241	Fedora 43 : firefox / nss (2026-c0a4f03150)	Nessus	Fedora Local Security Checks	medium
311287	Mozilla Thunderbird < 140.10.1	Nessus	MacOS X Local Security Checks	critical
311286	Mozilla Thunderbird < 140.10.1	Nessus	Windows	critical
310802	Mozilla Firefox ESR < 140.10.1	Nessus	Windows	critical
310800	Mozilla Firefox ESR < 140.10.1	Nessus	MacOS X Local Security Checks	critical
310573	Fedora 42 : firefox / nss (2026-69538c9f7e)	Nessus	Fedora Local Security Checks	medium
310077	Fedora 44 : firefox / nss (2026-fb08ad61f2)	Nessus	Fedora Local Security Checks	medium
309100	Mozilla Thunderbird < 150.0	Nessus	Windows	medium
309098	Mozilla Thunderbird < 150.0	Nessus	MacOS X Local Security Checks	medium
307899	Mozilla Firefox < 150.0	Nessus	Windows	medium
307895	Mozilla Firefox < 150.0	Nessus	MacOS X Local Security Checks	medium

Detections

Analytics

CVE-2026-8091

critical

Tenable Plugins

critical

high

high

high

critical

critical

critical

critical

critical

critical

medium

critical

critical

critical

critical

medium

medium

medium

medium

medium

medium