The remote Fedora 42 host has packages installed that are affected by multiple vulnerabilities as referenced in the FEDORA-2026-49237e1ced advisory.

    Update NSS to 3.121.0     Update to Firefox 149.0

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 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-2026:1126-1 advisory.

    Update to Firefox 140.9.0 ESR (MFSA 2026-22, bsc#1260083):

      - CVE-2026-4684: Race condition, use-after-free in the Graphics: WebRender component
      - CVE-2026-4685: Incorrect boundary conditions in the Graphics: Canvas2D component
      - CVE-2026-4686: Incorrect boundary conditions in the Graphics: Canvas2D component
      - CVE-2026-4687: Sandbox escape due to incorrect boundary conditions in the Telemetry component
      - CVE-2026-4688: Sandbox escape due to use-after-free in the Disability Access APIs component
      - CVE-2026-4689: Sandbox escape due to incorrect boundary conditions, integer overflow in the XPCOM     component
      - CVE-2026-4690: Sandbox escape due to incorrect boundary conditions, integer overflow in the XPCOM     component
      - CVE-2026-4691: Use-after-free in the CSS Parsing and Computation component
      - CVE-2026-4692: Sandbox escape in the Responsive Design Mode component
      - CVE-2026-4693: Incorrect boundary conditions in the Audio/Video: Playback component
      - CVE-2026-4694: Incorrect boundary conditions, integer overflow in the Graphics component
      - CVE-2026-4695: Incorrect boundary conditions in the Audio/Video: Web Codecs component
      - CVE-2026-4696: Use-after-free in the Layout: Text and Fonts component
      - CVE-2026-4697: Incorrect boundary conditions in the Audio/Video: Web Codecs component
      - CVE-2026-4698: JIT miscompilation in the JavaScript Engine: JIT component
      - CVE-2026-4699: Incorrect boundary conditions in the Layout: Text and Fonts component
      - CVE-2026-4700: Mitigation bypass in the Networking: HTTP component
      - CVE-2026-4701: Use-after-free in the JavaScript Engine component
      - CVE-2026-4702: JIT miscompilation in the JavaScript Engine component
      - CVE-2026-4704: Denial-of-service in the WebRTC: Signaling component
      - CVE-2026-4705: Undefined behavior in the WebRTC: Signaling component
      - CVE-2026-4706: Incorrect boundary conditions in the Graphics: Canvas2D component
      - CVE-2026-4707: Incorrect boundary conditions in the Graphics: Canvas2D component
      - CVE-2026-4708: Incorrect boundary conditions in the Graphics component
      - CVE-2026-4709: Incorrect boundary conditions in the Audio/Video: GMP component
      - CVE-2026-4710: Incorrect boundary conditions in the Audio/Video component
      - CVE-2026-4711: Use-after-free in the Widget: Cocoa component
      - CVE-2026-4712: Information disclosure in the Widget: Cocoa component
      - CVE-2026-4713: Incorrect boundary conditions in the Graphics component
      - CVE-2026-4714: Incorrect boundary conditions in the Audio/Video component
      - CVE-2026-4715: Uninitialized memory in the Graphics: Canvas2D component
      - CVE-2026-4716: Incorrect boundary conditions, uninitialized memory in the JavaScript Engine component
      - CVE-2026-4717: Privilege escalation in the Netmonitor component
      - CVE-2025-59375: Denial-of-service in the XML component
      - CVE-2026-4718: Undefined behavior in the WebRTC: Signaling component
      - CVE-2026-4719: Incorrect boundary conditions in the Graphics: Text component
      - CVE-2026-4720: Memory safety bugs fixed in Firefox ESR 140.9, Thunderbird ESR 140.9, Firefox 149 and         Thunderbird 149
      - CVE-2026-4721: Memory safety bugs fixed in Firefox ESR 115.34, Firefox ESR 140.9, Thunderbird ESR     140.9,         Firefox 149 and Thunderbird 149

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.

ID	名称	产品	系列	发布时间	最近更新时间	严重程度
304408	Fedora 42 : firefox / nss (2026-49237e1ced)	Nessus	Fedora Local Security Checks	2026/3/31	2026/4/30	critical
350280	SUSE SLED15: MozillaFirefox / MozillaFirefox-branding-upstream / etc (SUSE-SU-2026:1126-1)	Nessus	SuSE Local Security Checks	2026/9/25	2026/9/28	critical

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