The remote Debian 11 host has packages installed that are affected by multiple vulnerabilities as referenced in the dla-4575 advisory.

    - -------------------------------------------------------------------------     Debian LTS Advisory DLA-4575-1                debian-lts@lists.debian.org     https://www.debian.org/lts/security/               Emilio Pozuelo Monfort     May 09, 2026                                  https://wiki.debian.org/LTS
    - -------------------------------------------------------------------------

    Package        : firefox-esr     Version        : 140.10.2esr-1~deb11u1     CVE ID         : CVE-2026-8090 CVE-2026-8092 CVE-2026-8094

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

    For Debian 11 bullseye, these problems have been fixed in version     140.10.2esr-1~deb11u1.

    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-6254 advisory.

    - -------------------------------------------------------------------------     Debian Security Advisory DSA-6254-1                   security@debian.org     https://www.debian.org/security/                       Moritz Muehlenhoff     May 08, 2026                          https://www.debian.org/security/faq
    - -------------------------------------------------------------------------

    Package        : firefox-esr     CVE ID         : CVE-2026-8090 CVE-2026-8092 CVE-2026-8094

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

    For the oldstable distribution (bookworm), these problems have been fixed     in version 140.10.2esr-1~deb12u1.

    For the stable distribution (trixie), these problems have been fixed in     version 140.10.2esr-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 version of Thunderbird installed on the remote macOS or Mac OS X host is prior to 140.10.2. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2026-44 advisory.

  - 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)

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

  - Memory safety bugs present in Thunderbird ESR 140.10.1 and Thunderbird 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 Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

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

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

The version of mozilla-firefox installed on the remote host is prior to 140.10.2esr. It is, therefore, affected by multiple vulnerabilities as referenced in the SSA:2026-127-02 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 Firefox installed on the remote Windows host is prior to 150.0.2. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2026-40 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)

  - Memory safety bugs present in 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-2026-8093)

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 140.10.2. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2026-44 advisory.

  - 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)

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

  - Memory safety bugs present in Thunderbird ESR 140.10.1 and Thunderbird 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 mozilla-thunderbird installed on the remote host is prior to 140.10.2esr. It is, therefore, affected by multiple vulnerabilities as referenced in the SSA:2026-128-02 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 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 140.10.2. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2026-41 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)

  - 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)

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

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 150.0.2. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2026-43 advisory.

  - 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)

  - Memory safety bugs present in Thunderbird ESR 140.10.1 and Thunderbird 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)

  - Memory safety bugs present in Thunderbird 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-2026-8093)

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 150.0.2. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2026-43 advisory.

  - 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)

  - Memory safety bugs present in Thunderbird ESR 140.10.1 and Thunderbird 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)

  - Memory safety bugs present in Thunderbird 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-2026-8093)

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

ID	名称	产品	系列	发布时间	最近更新时间	严重程度
313617	Debian dla-4575 : firefox-esr - security update	Nessus	Debian Local Security Checks	2026/5/9	2026/5/9	critical
313420	Debian dsa-6254 : firefox-esr - security update	Nessus	Debian Local Security Checks	2026/5/8	2026/5/8	critical
313216	Mozilla Thunderbird < 140.10.2	Nessus	MacOS X Local Security Checks	2026/5/8	2026/5/11	critical
313180	Linux Distros Unpatched Vulnerability : CVE-2026-8090	Nessus	Misc.	2026/5/7	2026/5/10	high
313195	Slackware Linux 15.0 / current mozilla-firefox Multiple Vulnerabilities (SSA:2026-127-02)	Nessus	Slackware Local Security Checks	2026/5/8	2026/5/11	critical
313047	Mozilla Firefox < 150.0.2	Nessus	Windows	2026/5/7	2026/5/11	high
313217	Mozilla Thunderbird < 140.10.2	Nessus	Windows	2026/5/8	2026/5/11	critical
313427	Slackware Linux 15.0 / current mozilla-thunderbird Multiple Vulnerabilities (SSA:2026-128-02)	Nessus	Slackware Local Security Checks	2026/5/8	2026/5/8	critical
313045	Mozilla Firefox ESR < 115.35.2	Nessus	Windows	2026/5/7	2026/5/11	critical
313046	Mozilla Firefox ESR < 140.10.2	Nessus	MacOS X Local Security Checks	2026/5/7	2026/5/11	critical
313214	Mozilla Thunderbird < 150.0.2	Nessus	Windows	2026/5/8	2026/5/11	high
313215	Mozilla Thunderbird < 150.0.2	Nessus	MacOS X Local Security Checks	2026/5/8	2026/5/11	high

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