The remote Fedora 45 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2026-aa0e0deed1 advisory.

    Update to latest stable upstream version.

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 openSUSE 16 host has packages installed that are affected by multiple vulnerabilities as referenced in the openSUSE-SU-2026:21853-1 advisory.

    Firefox Extended Support Release 153.2.0 ESR MFSA 2026-85 (bsc#1278001):

     * CVE-2026-75874 (bmo#2039972)      Sandbox escape in the Remote Settings Client component
     * CVE-2026-84118 (bmo#2057457)      Use-after-free in the JavaScript: GC component
     * CVE-2026-84119 (bmo#2057817)      Sandbox escape due to use-after-free in the DOM: Navigation      component
     * CVE-2026-84120 (bmo#2058911)      Use-after-free in the Audio/Video component
     * CVE-2026-84121 (bmo#2059018)      Sandbox escape due to use-after-free in the DOM: Security
     * CVE-2026-84122 (bmo#2059965)
     * CVE-2026-84123 (bmo#2060047)      Privilege escalation due to use-after-free in the Graphics:
     WebGPU component
     * CVE-2026-84124 (bmo#2061110)      Use-after-free in the DOM: Core & HTML component
     * CVE-2026-84125 (bmo#2063871)
     * CVE-2026-74952 (bmo#2021757)      Privilege escalation in the Application Update component
     * CVE-2026-84129 (bmo#2055028)      Site isolation issue in the DOM: Navigation component
     * CVE-2026-84130 (bmo#2057834)      Information disclosure in the Graphics: WebGPU component
     * CVE-2026-84131 (bmo#2060008)      Privilege escalation due to invalid pointer in the Graphics
     * CVE-2026-84132 (bmo#2063020)      Information disclosure in the Networking: HTTP component
     * CVE-2026-84133 (bmo#2032388)      Site isolation issue in the DOM: Push Subscriptions component
     * CVE-2026-84134 (bmo#2044882)      Other issue in the Profile Backup component
     * CVE-2026-84136 (bmo#2048699)      Other issue in the DOM: Navigation component
     * CVE-2026-84137 (bmo#2051146)      Spoofing issue in the DOM: Core & HTML component
     * CVE-2026-84139 (bmo#2060153)      Clickjacking issue in the DOM: Events component
     * CVE-2026-84140 (bmo#2063780)
     * CVE-2026-84141 (bmo#2063994)      Integer overflow in the Graphics: ImageLib component
     * CVE-2026-84143 (bmo#2048793, bmo#2054631, bmo#2054645,      bmo#2054657, bmo#2055007, bmo#2055681, bmo#2057107,      bmo#2057108, bmo#2057114, bmo#2058087, bmo#2058088,      bmo#2058090, bmo#2058095, bmo#2058101, bmo#2059109,      bmo#2059183, bmo#2059185, bmo#2061287, bmo#2061301,      bmo#2061325)      Internally found bugs fixed in Firefox 155, Firefox ESR 153.2      and Firefox ESR 140.15
     * CVE-2026-84144 (bmo#2054619, bmo#2054620, bmo#2054624,      bmo#2054625, bmo#2054691, bmo#2054702, bmo#2054726,      bmo#2054775, bmo#2055703, bmo#2058006, bmo#2058013,      bmo#2058085, bmo#2058098, bmo#2058627, bmo#2058661,      bmo#2059002, bmo#2059127, bmo#2059128, bmo#2059144,      bmo#2059180, bmo#2059191, bmo#2059192, bmo#2059199,      bmo#2059205, bmo#2061320, bmo#2061430, bmo#2061495,      bmo#2061505, bmo#2061521, bmo#2061532, bmo#2061775,      bmo#2061799, bmo#2062395, bmo#2062404)      Internally found bugs fixed in Firefox 155 and Firefox ESR      153.2
     * CVE-2026-84145 (bmo#2054640, bmo#2054650, bmo#2054652,      bmo#2055678, bmo#2055693, bmo#2055705, bmo#2058001,      bmo#2058051, bmo#2058652, bmo#2058660, bmo#2059027,      bmo#2059139, bmo#2061220, bmo#2061242, bmo#2061285,      bmo#2061300, bmo#2061316, bmo#2061397, bmo#2062400,      bmo#2062419)      Internally found bugs fixed in Firefox 155, Firefox ESR      153.2, Firefox ESR 140.15 and Firefox ESR 115.40

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 AlmaLinux 9.2 host has a package installed that is affected by multiple vulnerabilities as referenced in the TuxCare ALMALINUX9.2:CLSA-2026:1788696027 advisory.

  - Site isolation issue in the Graphics: CanvasWebGL component. This vulnerability was fixed in Firefox 154,     Firefox ESR 115.39, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and     Thunderbird 153.1. (CVE-2026-74934)

  - Privilege escalation in the DOM: Networking component. This vulnerability was fixed in Firefox 154,     Firefox ESR 115.39, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and     Thunderbird 153.1. (CVE-2026-74935)

  - Use-after-free in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 154,     Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1.
    (CVE-2026-74936)

  - Use-after-free in the JavaScript: GC component. This vulnerability was fixed in Firefox 154, Firefox ESR     153.1, Thunderbird 154, and Thunderbird 153.1. (CVE-2026-74937)

  - Mitigation bypass in the JavaScript: GC component. This vulnerability was fixed in Firefox 154, Firefox     ESR 153.1, Thunderbird 154, and Thunderbird 153.1. (CVE-2026-74938)

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 155.0. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2026-82 advisory.

  - Privilege escalation due to invalid pointer in the Graphics component. This vulnerability was fixed in     Firefox 155, Firefox ESR 115.40, Firefox ESR 140.15, and Firefox ESR 153.2. (CVE-2026-84131)

  - Sandbox escape due to use-after-free in the DOM: Security component. This vulnerability was fixed in     Firefox 155, Firefox ESR 115.40, Firefox ESR 140.15, and Firefox ESR 153.2. (CVE-2026-84121)

  - Use-after-free in the JavaScript: GC component. This vulnerability was fixed in Firefox 155 and Firefox     ESR 153.2. (CVE-2026-84118)

  - Sandbox escape due to use-after-free in the DOM: Navigation component. This vulnerability was fixed in     Firefox 155, Firefox ESR 115.40, Firefox ESR 140.15, and Firefox ESR 153.2. (CVE-2026-84119)

  - Use-after-free in the Audio/Video component. This vulnerability was fixed in Firefox 155, Firefox ESR     115.40, Firefox ESR 140.15, and Firefox ESR 153.2. (CVE-2026-84120)

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-2026-208add2041 advisory.

    NSS Release Notes

    Update NSS to 3.127.0

    - Bug 1869493 - Heap-buffer overflow in AES Keywrap.
    - Bug 2052210 - Generate additional test message for Thunderbird (HTML with remote image).
    - Bug 2052709 - Convert NSS 3.126 release notes to Markdown.
    - Bug 2053831 - clang format.
    - Bug 2054609 - remove cipher suite order exception from bug 946147.
    - Bug 2054714 - avoid leaking stale ECH outer extensions across HRR.
    - Bug 2054719 - fix content type tag for CMS AuthEnvelopedData plaintext.
    - Bug 2056291 - remove support for pre-v1.0 PKCS#12.
    - Bug 2056846 - Remove unused policy string callback to fix -Wunused-but-set-global.
    - Bug 2057184 - Enable -Wunused-but-set-variable/-global in werror.py.
    - Bug 2059176 - EC_DerivePublicKey() failure is not propagated in sftk_mkPrivKey().
    - Bug 2060118 - remove DH_GenParam support.
    - Bug 2060720 - Round ECH ClientHelloInner padding up to a multiple of 32.
    - Bug 2061107 - restore pkcs12.h for source compatibility.
    - Bug 2063071 - make selfserv listen on IPv6 wildcard on dual-stack hosts.

    https://firefox-source-docs.mozilla.org/security/nss/releases/nss_3_127.html

    - Updated Firefox to latest upstream (155.0)

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 Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-130350 advisory.

    Information disclosure in the Graphics: WebGPU component. This vulnerability was fixed in Firefox 155,     Firefox ESR 153.2, Thunderbird 155, and Thunderbird 153.2.

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

Note that Nessus has not tested for this issue 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
348331	Fedora 45 : thunderbird (2026-aa0e0deed1)	Nessus	Fedora Local Security Checks	2026/9/19	2026/9/19	critical
347911	openSUSE 16: MozillaFirefox / MozillaFirefox-branding-upstream / etc (openSUSE-SU-2026:21853-1)	Nessus	SuSE Local Security Checks	2026/9/18	2026/9/18	critical
346212	SUSE SLED15: MozillaFirefox / MozillaFirefox-branding-SLE / MozillaFirefox-devel / etc (SUSE-SU-2026:4156-1)	Nessus	SuSE Local Security Checks	2026/9/16	2026/9/16	critical
360485	AlmaLinux 9.2 [TuxCare] Security Update: thunderbird Multiple Vulnerabilities (ALMALINUX9.2:CLSA-2026:1788696027)	Nessus	Alma Linux Local Security Checks	2026/10/1	2026/10/1	critical
342204	Mozilla Firefox < 155.0	Nessus	Windows	2026/9/1	2026/9/11	critical
342518	Fedora 43 : firefox / nss (2026-208add2041)	Nessus	Fedora Local Security Checks	2026/9/3	2026/10/9	critical
366291	Unity Linux 20.1070e Security Update: firefox (UTSA-2026-130350)	Nessus	Unity Linux Local Security Checks	2026/10/15	2026/10/15	high

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