CVE records

Every CVE as the CVE Program publishes it, refreshed every ten minutes, with NVD's analysis, CISA's known-exploited status and a healthcare tag. Subscribers get the CVEs that match their own systems on My program, by email as they are published. Where the data comes from: sources.

Updated under an hour ago ()

What this means for you

This week: 5,508 CVEs published, 357 critical, and 7 newly confirmed exploited. Add your stack to see whether any of them hit you.

Published in the last 7 days
5,508
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Critical, last 7 days
357
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Healthcare-tagged, last 7 days
5
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Known exploited (CISA KEV)
1,747
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Showing CVEs that name the product mozilla:thunderbird. Show all products

635 CVEs, showing 301 to 350PreviousPage 7 of 13Next
CVESeverityTitlePublished
CVE-2026-16392Critical 9.1JIT miscompilation in the JavaScript Engine: JIT component.Jul 21, 2026
CVE-2026-16393Critical 9.1Incorrect boundary conditions in the Graphics: WebGPU component.Jul 21, 2026
CVE-2026-16396High 8.8Privilege escalation in WebExtensions.Jul 21, 2026
CVE-2026-16398High 7.5Site isolation issue in the Graphics component.Jul 21, 2026
CVE-2026-16399High 7.5Site isolation issue in the DOM: Navigation component.Jul 21, 2026
CVE-2026-16400High 7.5Information disclosure in the DOM: Security component.Jul 21, 2026
CVE-2026-16401High 8.8Privilege escalation in the Data Loss Prevention component.Jul 21, 2026
CVE-2026-16402Critical 9.8Integer overflow in the Graphics: ImageLib component.Jul 21, 2026
CVE-2026-16403Medium 6.5Spoofing issue in the Address Bar component.Jul 21, 2026
CVE-2026-16407Critical 9.8Mitigation bypass in the DOM: Service Workers component.Jul 21, 2026
CVE-2026-16409High 7.5Invalid pointer in the Security: PSM component.Jul 21, 2026
CVE-2026-16410Critical 9.8JIT miscompilation in the JavaScript Engine: JIT component.Jul 21, 2026
CVE-2026-14899High 7.5The code to parse MIME headers for display when forwarding a message (if the setting to view all headers was enabled) had an off-by-one error, allowing a single byte to be read from the memory after…Jul 22, 2026
CVE-2026-74934High 7.5Site isolation issue in the Graphics: CanvasWebGL component
Assigned by mozilla
Aug 18, 2026
CVE-2026-74935High 8.8Privilege escalation in the DOM: Networking component
Assigned by mozilla
Aug 18, 2026
CVE-2026-74936Critical 9.8Use-after-free in the JavaScript: WebAssembly component
Assigned by mozilla
Aug 18, 2026
CVE-2026-74939High 8.8Privilege escalation in the DOM: Navigation component
Assigned by mozilla
Aug 18, 2026
CVE-2026-74940Critical 9.8Use-after-free in the Graphics: Text component
Assigned by mozilla
Aug 18, 2026
CVE-2026-74941High 8.8Privilege escalation in the Graphics: CanvasWebGL component
Assigned by mozilla
Aug 18, 2026
CVE-2026-74942High 8.8Privilege escalation in the Remote Settings Client component
Assigned by mozilla
Aug 18, 2026
CVE-2026-74943Critical 9.8Use-after-free in the Graphics: ImageLib component
Assigned by mozilla
Aug 18, 2026
CVE-2026-74944Critical 9.8Use-after-free in the DOM: Core & HTML component
Assigned by mozilla
Aug 18, 2026
CVE-2026-74945Medium 6.5Information disclosure in the Graphics: Text component
Assigned by mozilla
Aug 18, 2026
CVE-2026-74946High 8.8Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component
Assigned by mozilla
Aug 18, 2026
CVE-2026-74948Medium 6.5Information disclosure in the Graphics component
Assigned by mozilla
Aug 18, 2026
CVE-2026-74949High 8.8Privilege escalation due to use-after-free in the Graphics: Canvas2D component
Assigned by mozilla
Aug 18, 2026
CVE-2026-74953High 8.8Privilege escalation in the Networking: Cookies component
Assigned by mozilla
Aug 18, 2026
CVE-2026-74957High 8.1Mitigation bypass in the Safe Browsing component
Assigned by mozilla
Aug 18, 2026
CVE-2026-74959Critical 9.1Mitigation bypass in the Storage: Cache API component
Assigned by mozilla
Aug 18, 2026
CVE-2026-74960High 8.1Site isolation issue in the WebExtensions component
Assigned by mozilla
Aug 18, 2026
CVE-2026-74962High 8.1Site isolation issue in the Networking: Cookies component
Assigned by mozilla
Aug 18, 2026
CVE-2026-74963Medium 5.4Same-origin policy bypass in the Networking: Cookies component
Assigned by mozilla
Aug 18, 2026
CVE-2026-74964Critical 9.8Integer overflow in the Graphics component
Assigned by mozilla
Aug 18, 2026
CVE-2026-74965High 8.8Privilege escalation in the Shell Integration component
Assigned by mozilla
Aug 18, 2026
CVE-2026-74967Medium 5.4Same-origin policy bypass in the Audio/Video: Playback component
Assigned by mozilla
Aug 18, 2026
CVE-2026-74969High 8.8Use-after-free in the Layout: Text and Fonts component
Assigned by mozilla
Aug 18, 2026
CVE-2026-74971Medium 4.3Information disclosure in the DOM: UI Events & Focus Handling component
Assigned by mozilla
Aug 18, 2026
CVE-2026-74972Medium 4.3Information disclosure in the DOM: Push Subscriptions component
Assigned by mozilla
Aug 18, 2026
CVE-2026-74973Medium 4.2Race condition, use-after-free in the Graphics component
Assigned by mozilla
Aug 18, 2026
CVE-2026-74974Medium 5.4Same-origin policy bypass in the Graphics: ImageLib component
Assigned by mozilla
Aug 18, 2026
CVE-2026-74976Medium 6.5JIT miscompilation in the JavaScript Engine: JIT component
Assigned by mozilla
Aug 18, 2026
CVE-2026-74983High 8.1Mitigation bypass in the Data Loss Prevention component
Assigned by mozilla
Aug 18, 2026
CVE-2026-74987Critical 9.8Internally found bugs fixed in Thunderbird ESR 140.14, Thunderbird ESR 153.1 and Thunderbird 154
Assigned by mozilla
Aug 18, 2026
CVE-2026-74990Critical 9.8Internally found bugs fixed in Thunderbird ESR 140.14, Thunderbird ESR 153.1 and Thunderbird 154
Assigned by mozilla
Aug 18, 2026
CVE-2026-75874Critical 10.0Sandbox escape in the Remote Settings Client component
Assigned by mozilla
Aug 18, 2026
CVE-2026-74937High 8.8Use-after-free in the JavaScript: GC component
Assigned by mozilla
Aug 18, 2026
CVE-2026-74938Critical 9.1Mitigation bypass in the JavaScript: GC component
Assigned by mozilla
Aug 18, 2026
CVE-2026-74947High 8.8Privilege escalation due to invalid pointer in the Graphics component
Assigned by mozilla
Aug 18, 2026
CVE-2026-74950High 8.8Privilege escalation in the Downloads API component
Assigned by mozilla
Aug 18, 2026
CVE-2026-74952High 8.8Privilege escalation in the Application Update component
Assigned by mozilla
Aug 18, 2026
PreviousPage 7 of 13Next

CVSS is the assigning CNA's score where it gives one, otherwise NVD's. The healthcare tag is a documented heuristic (a list of clinical and health IT vendors, and clinical terms in the description), not a classification. The CVE record is authoritative.

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