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Vulnerabilities of Mozilla Thunderbird

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CVE Summary Score Published
CVE-2026-118180 Matrix homeserver could redirect the chat session to a local file or network share 7.5 High Oct 27, 2026
CVE-2026-118179 Request forgery via news: links 8.8 High Oct 27, 2026
CVE-2026-118177 Calendar discovery accepted local file and remote network share locations 9.1 Critical Oct 27, 2026
CVE-2026-118178 RSS feed could redirect its subscription to a local file or network share 5.7 Medium Oct 27, 2026
CVE-2026-118176 Bypass of remote UNC path restriction in mailbox: URLs 8.1 High Oct 27, 2026
CVE-2026-118175 Content of other messages could be included when replying to a crafted message 7.5 High Oct 27, 2026
CVE-2026-118174 Displaying a message could load an attacker-chosen URL through an OpenPGP key attachment 6.5 Medium Oct 27, 2026
CVE-2026-118024 Use-after-free in the Graphics: Text component 8.8 High Oct 27, 2026
CVE-2026-118025 Other issue in the SVG component 8.8 High Oct 27, 2026
CVE-2026-118026 Invalid pointer in the JavaScript: GC component 8.8 High Oct 27, 2026
CVE-2026-118021 Sandbox escape due to use-after-free in the XPCOM component 8.8 High Oct 27, 2026
CVE-2026-118022 Sandbox escape due to use-after-free in the Disability Access APIs component 8.8 High Oct 27, 2026
CVE-2026-118023 Sandbox escape due to use-after-free in the Graphics: WebRender component 8.8 High Oct 27, 2026
CVE-2026-118019 Race condition, use-after-free in the DOM: File component 8.8 High Oct 27, 2026
CVE-2026-118020 Use-after-free in the Layout component 8.8 High Oct 27, 2026
CVE-2026-118016 Use-after-free in the DOM: Core & HTML component 8.8 High Oct 27, 2026
CVE-2026-118017 Use-after-free in the SVG component 8.8 High Oct 27, 2026
CVE-2026-118014 Use-after-free in the JavaScript Engine: JIT component 8.8 High Oct 27, 2026
CVE-2026-118015 Use-after-free in the DOM: Core & HTML component 8.8 High Oct 27, 2026
CVE-2026-118013 Use-after-free in the Layout: Images, Video, and HTML Frames component 8.8 High Oct 27, 2026
CVE-2026-118010 Use-after-free in the Disability Access APIs component 8.8 High Oct 27, 2026
CVE-2026-118011 Frame poisoning in the CSS Parsing and Computation component 8.8 High Oct 27, 2026
CVE-2026-118012 Use-after-free in the DOM: Animation component 8.8 High Oct 27, 2026
CVE-2026-118007 Use-after-free in the JavaScript: GC component 8.8 High Oct 27, 2026
CVE-2026-118008 Privilege escalation in the DOM: Navigation component 8.8 High Oct 27, 2026

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