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: 5,501 CVEs published, 358 critical, and 7 newly confirmed exploited. Add your stack to see whether any of them hit you.

Published in the last 7 days
5,501
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Critical, last 7 days
358
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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 101 to 150PreviousPage 3 of 13Next
CVESeverityTitlePublished
CVE-2026-2789Critical 9.8Use-after-free in the Graphics: ImageLib component.Feb 24, 2026
CVE-2026-2790Critical 9.8Same-origin policy bypass in the Networking: JAR component.Feb 24, 2026
CVE-2026-2791Critical 9.8Mitigation bypass in the Networking: Cache component.Feb 24, 2026
CVE-2026-2792Critical 9.8Memory safety bugs present in Firefox ESR 140.7, Thunderbird ESR 140.7, Firefox 147 and Thunderbird 147.Feb 24, 2026
CVE-2026-2793Critical 9.8Memory safety bugs present in Firefox ESR 115.32, Firefox ESR 140.7, Thunderbird ESR 140.7, Firefox 147 and Thunderbird 147.Feb 24, 2026
CVE-2026-2795Critical 9.8Use-after-free in the JavaScript: GC component.Feb 24, 2026
CVE-2026-2796Critical 9.8JIT miscompilation in the JavaScript: WebAssembly component.Feb 24, 2026
CVE-2026-2797Critical 9.8Use-after-free in the JavaScript: GC component.Feb 24, 2026
CVE-2026-2798High 8.8Use-after-free in the DOM: Core & HTML component.Feb 24, 2026
CVE-2026-2799Critical 9.8Use-after-free in the DOM: Core & HTML component.Feb 24, 2026
CVE-2026-2800Critical 9.8Spoofing issue in the WebAuthn component in Firefox for Android.Feb 24, 2026
CVE-2026-2801High 7.5Incorrect boundary conditions in the JavaScript: WebAssembly component.Feb 24, 2026
CVE-2026-2802Medium 4.2Race condition in the JavaScript: GC component.Feb 24, 2026
CVE-2026-2803High 7.5Information disclosure, mitigation bypass in the Settings UI component.Feb 24, 2026
CVE-2026-2804Medium 5.4Use-after-free in the JavaScript: WebAssembly component.Feb 24, 2026
CVE-2026-2805Critical 9.8Invalid pointer in the DOM: Core & HTML component.Feb 24, 2026
CVE-2026-2806Critical 9.1Uninitialized memory in the Graphics: Text component.Feb 24, 2026
CVE-2026-2807Critical 9.8Memory safety bugs present in Firefox 147 and Thunderbird 147.Feb 24, 2026
CVE-2026-4689Critical 10.0Sandbox escape due to incorrect boundary conditions, integer overflow in the XPCOM component.Mar 24, 2026
CVE-2026-4692Critical 10.0Sandbox escape in the Responsive Design Mode component.Mar 24, 2026
CVE-2026-4694High 7.5Incorrect boundary conditions, integer overflow in the Graphics component.Mar 24, 2026
CVE-2026-4710Critical 9.8Incorrect boundary conditions in the Audio/Video component.Mar 24, 2026
CVE-2026-4718High 8.1Undefined behavior in the WebRTC: Signaling component.Mar 24, 2026
CVE-2026-4720Critical 9.8Memory safety bugs present in Firefox ESR 140.8, Thunderbird ESR 140.8, Firefox 148 and Thunderbird 148.Mar 24, 2026
CVE-2026-4721Critical 9.8Memory safety bugs present in Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird ESR 140.8, Firefox 148 and Thunderbird 148.Mar 24, 2026
CVE-2026-4724Critical 9.1Undefined behavior in the Audio/Video component.Mar 24, 2026
CVE-2026-4726High 7.5Denial-of-service in the XML component.Mar 24, 2026
CVE-2026-4727High 7.5Denial-of-service in the Libraries component in NSS.Mar 24, 2026
CVE-2026-4728Medium 6.5Spoofing issue in the Privacy: Anti-Tracking component.Mar 24, 2026
CVE-2026-4729Critical 9.8Memory safety bugs present in Firefox 148 and Thunderbird 148.Mar 24, 2026
CVE-2026-3889Medium 6.5Spoofing issue in Thunderbird.Mar 24, 2026
CVE-2026-4371High 7.4A malicious mail server could send malformed strings with negative lengths, causing the parser to read memory outside the buffer.Mar 24, 2026
CVE-2026-5731Critical 9.8Memory safety bugs present in Firefox ESR 115.34.0, Firefox ESR 140.9.0, Thunderbird ESR 140.9.0, Firefox 149.0.1 and Thunderbird 149.0.1.Apr 7, 2026
CVE-2026-5734Critical 9.8Memory safety bugs present in Firefox ESR 140.9.0, Thunderbird ESR 140.9.0, Firefox 149.0.1 and Thunderbird 149.0.1.Apr 7, 2026
CVE-2026-5735Critical 9.8Memory safety bugs present in Firefox 149.0.1 and Thunderbird 149.0.1.Apr 7, 2026
CVE-2026-6746High 7.5Use-after-free in the DOM: Core & HTML component.Apr 21, 2026
CVE-2026-6747High 7.5Use-after-free in the WebRTC component.Apr 21, 2026
CVE-2026-6748Critical 9.8Uninitialized memory in the Audio/Video: Web Codecs component.Apr 21, 2026
CVE-2026-6749High 7.5Information disclosure due to uninitialized memory in the Graphics: Canvas2D component.Apr 21, 2026
CVE-2026-6750High 8.8Privilege escalation in the Graphics: WebRender component.Apr 21, 2026
CVE-2026-6751High 7.3Uninitialized memory in the Audio/Video: Web Codecs component.Apr 21, 2026
CVE-2026-6752High 7.3Incorrect boundary conditions in the WebRTC component.Apr 21, 2026
CVE-2026-6753High 7.3Incorrect boundary conditions in the WebRTC component.Apr 21, 2026
CVE-2026-6754High 7.5Use-after-free in the JavaScript Engine component.Apr 21, 2026
CVE-2026-6755Medium 6.5Mitigation bypass in the DOM: postMessage component.Apr 21, 2026
CVE-2026-6757Medium 6.3Invalid pointer in the JavaScript: WebAssembly component.Apr 21, 2026
CVE-2026-6758High 7.5Use-after-free in the JavaScript: WebAssembly component.Apr 21, 2026
CVE-2026-6759High 7.5Use-after-free in the Widget: Cocoa component.Apr 21, 2026
CVE-2026-6760Critical 9.8Mitigation bypass in the Networking: Cookies component.Apr 21, 2026
CVE-2026-6761High 8.8Privilege escalation in the Networking component.Apr 21, 2026
PreviousPage 3 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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