It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2026-2069 advisory.

    Same-origin policy bypass in the DOM: Navigation component. This vulnerability was fixed in Firefox 153,     Firefox ESR 115.38, and Firefox ESR 140.13. (CVE-2026-16349)

    Incorrect boundary conditions in the Audio/Video: cubeb component. This vulnerability was fixed in Firefox     153, Firefox ESR 115.38, and Firefox ESR 140.13. (CVE-2026-16350)

    Sandbox escape due to use-after-free in the DOM: Navigation component. This vulnerability was fixed in     Firefox 153, Firefox ESR 115.38, and Firefox ESR 140.13. (CVE-2026-16351)

    Sandbox escape due to use-after-free in the Disability Access APIs component. This vulnerability was fixed     in Firefox 153, Firefox ESR 115.38, and Firefox ESR 140.13. (CVE-2026-16352)

    Invalid pointer in the DOM: Bindings (WebIDL) component. This vulnerability was fixed in Firefox 153,     Firefox ESR 115.38, and Firefox ESR 140.13. (CVE-2026-16353)

    Information disclosure in the Graphics: ImageLib component. This vulnerability was fixed in Firefox 153,     Firefox ESR 115.38, and Firefox ESR 140.13. (CVE-2026-16354)

    JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 153,     Firefox ESR 115.38, and Firefox ESR 140.13. (CVE-2026-16355)

    Sandbox escape due to use-after-free in the Disability Access APIs component. This vulnerability was fixed     in Firefox 153, Firefox ESR 115.38, and Firefox ESR 140.13. (CVE-2026-16356)

    Incorrect boundary conditions in the Graphics component. This vulnerability was fixed in Firefox 153,     Firefox ESR 115.38, and Firefox ESR 140.13. (CVE-2026-16357)

    Site isolation issue in the Graphics: WebRender component. This vulnerability was fixed in Firefox 153,     Firefox ESR 115.38, and Firefox ESR 140.13. (CVE-2026-16358)

    Incorrect boundary conditions in the Audio/Video: GMP component. This vulnerability was fixed in Firefox     153, Firefox ESR 115.38, and Firefox ESR 140.13. (CVE-2026-16359)

    Memory safety bugs present in Firefox ESR 115.37, Firefox ESR 140.12 and Firefox 152. 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 153, Firefox ESR 115.38, and     Firefox ESR 140.13. (CVE-2026-16360)

    Memory safety bugs present in Firefox ESR 115.37 and Firefox ESR 140.12. 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 ESR 115.38 and Firefox ESR     140.13. (CVE-2026-16361)

    Use-after-free in the WebRTC: Audio/Video component. This vulnerability was fixed in Firefox 153 and     Firefox ESR 140.13. (CVE-2026-16362)

    JIT miscompilation in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 153     and Firefox ESR 140.13. (CVE-2026-16363)

    Incorrect boundary conditions in the JavaScript: WebAssembly component. This vulnerability was fixed in     Firefox 153 and Firefox ESR 140.13. (CVE-2026-16368)

    Integer overflow in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 153 and     Firefox ESR 140.13. (CVE-2026-16369)

    Privilege escalation in the DOM: Navigation component. This vulnerability was fixed in Firefox 153 and     Firefox ESR 140.13. (CVE-2026-16371)

    Information disclosure in the Framework component in DevTools. This vulnerability was fixed in Firefox 153     and Firefox ESR 140.13. (CVE-2026-16374)

    Site isolation issue in the Networking: HTTP component. This vulnerability was fixed in Firefox 153 and     Firefox ESR 140.13. (CVE-2026-16375)

    Mitigation bypass in the PDF Viewer component. This vulnerability was fixed in Firefox 153 and Firefox ESR     140.13. (CVE-2026-16377)

    Privilege escalation in the DOM: Content Processes component. This vulnerability was fixed in Firefox 153     and Firefox ESR 140.13. (CVE-2026-16379)

    Same-origin policy bypass in the Networking: DNS component. This vulnerability was fixed in Firefox 153     and Firefox ESR 140.13. (CVE-2026-16381)

    Mitigation bypass in the DOM: Networking component. This vulnerability was fixed in Firefox 153 and     Firefox ESR 140.13. (CVE-2026-16383)

    Site isolation issue in the Networking component. This vulnerability was fixed in Firefox 153 and Firefox     ESR 140.13. (CVE-2026-16387)

    Mitigation bypass in the Enterprise Policies component. This vulnerability was fixed in Firefox 153 and     Firefox ESR 140.13. (CVE-2026-16390)

    Information disclosure in the Storage: IndexedDB component. This vulnerability was fixed in Firefox 153     and Firefox ESR 140.13. (CVE-2026-16391)

    Privilege escalation in WebExtensions. This vulnerability was fixed in Firefox 153 and Firefox ESR 140.13.
    (CVE-2026-16396)

    Information disclosure in the Networking: WebSockets component. This vulnerability was fixed in Firefox     153 and Firefox ESR 140.13. (CVE-2026-16405)

    Memory safety bugs present in Firefox ESR 140.12 and Firefox 152. 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 153 and Firefox ESR 140.13. (CVE-2026-16412)

    A flaw has been found in ggml-org llama.cpp e15efe0. This vulnerability affects the function transform of     the file common/json-schema-to-grammar.cpp of the component JSON-Schema-to-GBNF Conversion. This     manipulation causes allocation of resources. The attack may be initiated remotely. The pull request to fix     this issue awaits acceptance. (CVE-2026-17501)

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 140.13.0-1. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2FIREFOX-2026-063 advisory.

    Same-origin policy bypass in the DOM: Navigation component. This vulnerability was fixed in Firefox 153,     Firefox ESR 115.38, and Firefox ESR 140.13. (CVE-2026-16349)

    Incorrect boundary conditions in the Audio/Video: cubeb component. This vulnerability was fixed in Firefox     153, Firefox ESR 115.38, and Firefox ESR 140.13. (CVE-2026-16350)

    Sandbox escape due to use-after-free in the DOM: Navigation component. This vulnerability was fixed in     Firefox 153, Firefox ESR 115.38, and Firefox ESR 140.13. (CVE-2026-16351)

    Sandbox escape due to use-after-free in the Disability Access APIs component. This vulnerability was fixed     in Firefox 153, Firefox ESR 115.38, and Firefox ESR 140.13. (CVE-2026-16352)

    Invalid pointer in the DOM: Bindings (WebIDL) component. This vulnerability was fixed in Firefox 153,     Firefox ESR 115.38, and Firefox ESR 140.13. (CVE-2026-16353)

    Information disclosure in the Graphics: ImageLib component. This vulnerability was fixed in Firefox 153,     Firefox ESR 115.38, and Firefox ESR 140.13. (CVE-2026-16354)

    JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 153,     Firefox ESR 115.38, and Firefox ESR 140.13. (CVE-2026-16355)

    Sandbox escape due to use-after-free in the Disability Access APIs component. This vulnerability was fixed     in Firefox 153, Firefox ESR 115.38, and Firefox ESR 140.13. (CVE-2026-16356)

    Incorrect boundary conditions in the Graphics component. This vulnerability was fixed in Firefox 153,     Firefox ESR 115.38, and Firefox ESR 140.13. (CVE-2026-16357)

    Site isolation issue in the Graphics: WebRender component. This vulnerability was fixed in Firefox 153,     Firefox ESR 115.38, and Firefox ESR 140.13. (CVE-2026-16358)

    Incorrect boundary conditions in the Audio/Video: GMP component. This vulnerability was fixed in Firefox     153, Firefox ESR 115.38, and Firefox ESR 140.13. (CVE-2026-16359)

    Memory safety bugs present in Firefox ESR 115.37, Firefox ESR 140.12 and Firefox 152. 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 153, Firefox ESR 115.38, and     Firefox ESR 140.13. (CVE-2026-16360)

    Memory safety bugs present in Firefox ESR 115.37 and Firefox ESR 140.12. 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 ESR 115.38 and Firefox ESR     140.13. (CVE-2026-16361)

    Use-after-free in the WebRTC: Audio/Video component. This vulnerability was fixed in Firefox 153 and     Firefox ESR 140.13. (CVE-2026-16362)

    JIT miscompilation in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 153     and Firefox ESR 140.13. (CVE-2026-16363)

    Incorrect boundary conditions in the JavaScript: WebAssembly component. This vulnerability was fixed in     Firefox 153 and Firefox ESR 140.13. (CVE-2026-16368)

    Integer overflow in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 153 and     Firefox ESR 140.13. (CVE-2026-16369)

    Privilege escalation in the DOM: Navigation component. This vulnerability was fixed in Firefox 153 and     Firefox ESR 140.13. (CVE-2026-16371)

    Information disclosure in the Framework component in DevTools. This vulnerability was fixed in Firefox 153     and Firefox ESR 140.13. (CVE-2026-16374)

    Site isolation issue in the Networking: HTTP component. This vulnerability was fixed in Firefox 153 and     Firefox ESR 140.13. (CVE-2026-16375)

    Mitigation bypass in the PDF Viewer component. This vulnerability was fixed in Firefox 153 and Firefox ESR     140.13. (CVE-2026-16377)

    Privilege escalation in the DOM: Content Processes component. This vulnerability was fixed in Firefox 153     and Firefox ESR 140.13. (CVE-2026-16379)

    Same-origin policy bypass in the Networking: DNS component. This vulnerability was fixed in Firefox 153     and Firefox ESR 140.13. (CVE-2026-16381)

    Mitigation bypass in the DOM: Networking component. This vulnerability was fixed in Firefox 153 and     Firefox ESR 140.13. (CVE-2026-16383)

    Site isolation issue in the Networking component. This vulnerability was fixed in Firefox 153 and Firefox     ESR 140.13. (CVE-2026-16387)

    Mitigation bypass in the Enterprise Policies component. This vulnerability was fixed in Firefox 153 and     Firefox ESR 140.13. (CVE-2026-16390)

    Information disclosure in the Storage: IndexedDB component. This vulnerability was fixed in Firefox 153     and Firefox ESR 140.13. (CVE-2026-16391)

    Privilege escalation in WebExtensions. This vulnerability was fixed in Firefox 153 and Firefox ESR 140.13.
    (CVE-2026-16396)

    Information disclosure in the Networking: WebSockets component. This vulnerability was fixed in Firefox     153 and Firefox ESR 140.13. (CVE-2026-16405)

    Memory safety bugs present in Firefox ESR 140.12 and Firefox 152. 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 153 and Firefox ESR 140.13. (CVE-2026-16412)

    A flaw has been found in ggml-org llama.cpp e15efe0. This vulnerability affects the function transform of     the file common/json-schema-to-grammar.cpp of the component JSON-Schema-to-GBNF Conversion. This     manipulation causes allocation of resources. The attack may be initiated remotely. The pull request to fix     this issue awaits acceptance. (CVE-2026-17501)

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

  - A flaw has been found in ggml-org llama.cpp e15efe0. This vulnerability affects the function transform of     the file common/json-schema-to-grammar.cpp of the component JSON-Schema-to-GBNF Conversion. This     manipulation causes uncontrolled recursion. The attack may be initiated remotely. The pull request to fix     this issue awaits acceptance. (CVE-2026-17501)

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

ID	Name	Product	Family	Published	Updated	Severity
337218	Amazon Linux 2023 : firefox (ALAS2023-2026-2069)	Nessus	Amazon Linux Local Security Checks	8/18/2026	8/18/2026	medium
337223	Amazon Linux 2 : firefox, --advisory ALAS2FIREFOX-2026-063 (ALASFIREFOX-2026-063)	Nessus	Amazon Linux Local Security Checks	8/18/2026	8/18/2026	medium
330130	Linux Distros Unpatched Vulnerability : CVE-2026-17501	Nessus	Misc.	7/27/2026	8/6/2026	medium

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