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Vulnerabilities of Mozilla Thunderbird

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CVE Summary Score Published
CVE-2026-117906 Use-after-free in the CSS Parsing and Computation component 6.3 Medium Oct 27, 2026
CVE-2026-117907 Use-after-free in the Networking component 6.3 Medium Oct 27, 2026
CVE-2026-117903 Use-after-free in the Audio/Video component 6.3 Medium Oct 27, 2026
CVE-2026-117904 Use-after-free in the JavaScript: GC component 8.8 High Oct 27, 2026
CVE-2026-117900 Use-after-free in the DOM: Editor component 8.8 High Oct 27, 2026
CVE-2026-117901 Use-after-free in the DOM: Core & HTML component 8.8 High Oct 27, 2026
CVE-2026-117902 Use-after-free in the Layout: Text and Fonts component 6.3 Medium Oct 27, 2026
CVE-2026-117897 Incorrect boundary conditions in the Layout: Tables component 7.3 High Oct 27, 2026
CVE-2026-117898 Use-after-free in the JavaScript Engine: JIT component 6.3 Medium Oct 27, 2026
CVE-2026-117899 Use-after-free in the Networking: HTTP component 8.8 High Oct 27, 2026
CVE-2026-117895 Use-after-free in the DOM: Core & HTML component 6.3 Medium Oct 27, 2026
CVE-2026-117896 Use-after-free in the DOM: Core & HTML component 6.3 Medium Oct 27, 2026
CVE-2026-117893 Incorrect boundary conditions in the Security: PSM component 5.4 Medium Oct 27, 2026
CVE-2026-117894 Incorrect boundary conditions in the WebRTC: Signaling component 5.4 Medium Oct 27, 2026
CVE-2026-117892 Privilege escalation due to use-after-free in the WebRTC: Networking component 7.3 High Oct 27, 2026
CVE-2026-117889 Incorrect boundary conditions in the JavaScript Engine component 7.3 High Oct 27, 2026
CVE-2026-117890 JIT miscompilation in the JavaScript Engine: JIT component 7.3 High Oct 27, 2026
CVE-2026-117891 Use-after-free in the JavaScript Engine: JIT component 7.3 High Oct 27, 2026
CVE-2026-117886 Incorrect boundary conditions in the Graphics: Text component 8.1 High Oct 27, 2026
CVE-2026-117887 Use-after-free in the DOM: Core & HTML component 8.8 High Oct 27, 2026
CVE-2026-117888 Uninitialized memory in the Graphics: Canvas2D component 5.4 Medium Oct 27, 2026
CVE-2026-117884 Use-after-free in the Networking component 8.8 High Oct 27, 2026
CVE-2026-117885 Use-after-free in the Layout: Grid component 6.3 Medium Oct 27, 2026
CVE-2026-117883 Use-after-free in the DOM: HTML Parser component 8.8 High Oct 27, 2026
CVE-2026-117881 Use-after-free in the DOM: Core & HTML component 8.8 High Oct 27, 2026

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