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Security releases

Mozilla

Security Vulnerabilities fixed in Thunderbird 153.6

MFSA2026-122 Oct 27, 2026 Source: Vendor

Imported from Mozilla security advisory MFSA2026-122. Draft.

Source of record The credited names below are quoted verbatim from the vendor's own advisory: https://www.mozilla.org/en-US/security/advisories/mfsa2026-122/
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Credited

154 lines
All 154 CVEs 154 Additional recognition 0 Unclaimed only
Showing 51–100 of 154 matching , page 2 of 4 , clear filters
CVE-2026-117901 BR2026-0000-036551 unclaimed
High: Use-after-free in the DOM: Core & HTML component
Credited as Mozilla
CVE-2026-117902 BR2026-0000-036552 unclaimed
High: Use-after-free in the Layout: Text and Fonts component
Credited as Mozilla
CVE-2026-117903 BR2026-0000-036553 unclaimed
High: Use-after-free in the Audio/Video component
Credited as Mozilla
CVE-2026-117904 BR2026-0000-036554 unclaimed
High: Use-after-free in the JavaScript: GC component
Credited as Mozilla
CVE-2026-117905 BR2026-0000-036555 unclaimed
High: Use-after-free in the Audio/Video: Playback component
Credited as Mozilla
CVE-2026-117906 BR2026-0000-036556 unclaimed
High: Use-after-free in the CSS Parsing and Computation component
Credited as Mozilla
CVE-2026-117907 BR2026-0000-036557 unclaimed
High: Use-after-free in the Networking component
Credited as Mozilla
CVE-2026-117908 BR2026-0000-036558 unclaimed
High: Use-after-free in the Graphics: ImageLib component
Credited as Mozilla
CVE-2026-117909 BR2026-0000-036559 unclaimed
High: Use-after-free in the JavaScript: GC component
Credited as Mozilla
CVE-2026-117910 BR2026-0000-036560 unclaimed
High: Invalid pointer in the JavaScript Engine component
Credited as Mozilla
CVE-2026-117911 BR2026-0000-036561 unclaimed
High: Use-after-free in the Audio/Video: Playback component
Credited as Mozilla
CVE-2026-117912 BR2026-0000-036562 unclaimed
High: Same-origin policy bypass in the CSS Parsing and Computation component
Credited as Takashi Suzuki
CVE-2026-117913 BR2026-0000-036563 unclaimed
High: Use-after-free in the SVG component
Credited as Mozilla
CVE-2026-117914 BR2026-0000-036564 unclaimed
High: Use-after-free in the SVG component
Credited as Mozilla
CVE-2026-117915 BR2026-0000-036565 unclaimed
High: Incorrect boundary conditions in the Layout: Block and Inline component
Credited as Mozilla
CVE-2026-117916 BR2026-0000-036566 unclaimed
High: Use-after-free in the XSLT component
Credited as Mozilla
CVE-2026-117917 BR2026-0000-036567 unclaimed
High: Invalid pointer in the Graphics: WebRender component
Credited as Nguyen Tuan Hung
CVE-2026-117918 BR2026-0000-036568 unclaimed
High: Use-after-free in the Graphics: Canvas2D component
Credited as Mozilla
CVE-2026-117919 BR2026-0000-036569 unclaimed
High: Use-after-free in the DOM: Core & HTML component
Credited as Mozilla
CVE-2026-117920 BR2026-0000-036570 unclaimed
High: Use-after-free in the DOM: HTML Parser component
Credited as Mozilla
CVE-2026-117921 BR2026-0000-036571 unclaimed
High: Use-after-free in the CSS Parsing and Computation component
Credited as OpenAI Codex Security (kylebot)
CVE-2026-117922 BR2026-0000-036572 unclaimed
High: Use-after-free in the Networking: WebSockets component
Credited as OpenAI Codex Security (kylebot)
CVE-2026-117923 BR2026-0000-036573 unclaimed
High: Use-after-free in the Audio/Video component
Credited as Mozilla
CVE-2026-117924 BR2026-0000-036574 unclaimed
High: Use-after-free in the XSLT component
Credited as Mozilla
CVE-2026-117925 BR2026-0000-036575 unclaimed
High: Use-after-free in the DOM: Core & HTML component
Credited as Mozilla
CVE-2026-117926 BR2026-0000-036576 unclaimed
High: Incorrect boundary conditions in the SVG component
Credited as Mozilla
CVE-2026-117927 BR2026-0000-036577 unclaimed
High: Use-after-free in the SVG component
Credited as Mozilla
CVE-2026-117928 BR2026-0000-036578 unclaimed
High: Same-origin policy bypass in the CSS Parsing and Computation component
Credited as Minseong Kim
CVE-2026-117929 BR2026-0000-036579 unclaimed
High: Use-after-free in the DOM: Core & HTML component
Credited as Mozilla
CVE-2026-117930 BR2026-0000-036580 unclaimed
High: Use-after-free in the DOM: Bindings (WebIDL) component
Credited as OpenAI Codex Security (kylebot)
CVE-2026-117931 BR2026-0000-036581 unclaimed
High: Use-after-free in the DOM: Events component
Credited as OpenAI Codex Security (kylebot)
CVE-2026-117932 BR2026-0000-036582 unclaimed
High: Use-after-free in the DOM: Core & HTML component
Credited as OpenAI Codex Security (kylebot)
CVE-2026-117933 BR2026-0000-036583 unclaimed
High: Frame poisoning in the CSS Parsing and Computation component
Credited as OpenAI Codex Security (kylebot)
CVE-2026-117934 BR2026-0000-036584 unclaimed
High: Use-after-free in the Layout component
Credited as OpenAI Codex Security (kylebot)
CVE-2026-117935 BR2026-0000-036585 unclaimed
High: Use-after-free in the DOM: Bindings (WebIDL) component
Credited as OpenAI Codex Security (kylebot)
CVE-2026-117936 BR2026-0000-036586 unclaimed
High: Use-after-free in the DOM: Core & HTML component
Credited as OpenAI Codex Security (kylebot)
CVE-2026-117937 BR2026-0000-036587 unclaimed
High: Invalid pointer in the JavaScript Engine component
Credited as OpenAI Codex Security (kylebot)
CVE-2026-117938 BR2026-0000-036588 unclaimed
High: Use-after-free in the Layout component
Credited as OpenAI Codex Security (kylebot)
CVE-2026-117939 BR2026-0000-036589 unclaimed
High: Use-after-free in the XML component
Credited as OpenAI Codex Security (kylebot)
CVE-2026-117940 BR2026-0000-036590 unclaimed
High: Use-after-free in the DOM: Core & HTML component
Credited as OpenAI Codex Security (kylebot)
CVE-2026-117941 BR2026-0000-036591 unclaimed
High: Use-after-free in the DOM: CSS Object Model component
Credited as OpenAI Codex Security (kylebot)
CVE-2026-117942 BR2026-0000-036592 unclaimed
High: Incorrect boundary conditions in the JavaScript Engine: JIT component
Credited as OpenAI Codex Security (kylebot)
CVE-2026-117943 BR2026-0000-036593 unclaimed
High: Use-after-free in the DOM: Core & HTML component
Credited as OpenAI Codex Security (kylebot)
CVE-2026-117944 BR2026-0000-036594 unclaimed
High: Use-after-free in the Layout component
Credited as OpenAI Codex Security (kylebot)
CVE-2026-117945 BR2026-0000-036595 unclaimed
High: Incorrect boundary conditions in the XML component
Credited as OpenAI Codex Security (kylebot)
CVE-2026-117946 BR2026-0000-036596 unclaimed
High: Incorrect boundary conditions in the JavaScript Engine component
Credited as OpenAI Codex Security (kylebot)
CVE-2026-117947 BR2026-0000-036597 unclaimed
High: Use-after-free in the XML component
Credited as OpenAI Codex Security (kylebot)
CVE-2026-117948 BR2026-0000-036598 unclaimed
High: Use-after-free in the SVG component
Credited as OpenAI Codex Security (kylebot)
CVE-2026-117949 BR2026-0000-036599 unclaimed
High: Use-after-free in the DOM: Core & HTML component
Credited as OpenAI Codex Security (kylebot)
CVE-2026-117950 BR2026-0000-036600 unclaimed
High: Incorrect boundary conditions in the DOM: Core & HTML component
Credited as OpenAI Codex Security (kylebot)