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: 5,470 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
5,470
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Critical, last 7 days
357
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Healthcare-tagged, last 7 days
4
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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 51 to 100PreviousPage 2 of 13Next
CVESeverityTitlePublished
CVE-2026-0877High 8.1Mitigation bypass in the DOM: Security component.Jan 13, 2026
CVE-2026-0878High 8.0Sandbox escape due to incorrect boundary conditions in the Graphics: CanvasWebGL component.Jan 13, 2026
CVE-2026-0879Critical 9.8Sandbox escape due to incorrect boundary conditions in the Graphics component.Jan 13, 2026
CVE-2026-0880High 8.8Sandbox escape due to integer overflow in the Graphics component.Jan 13, 2026
CVE-2026-0881Critical 10.0Sandbox escape in the Messaging System component.Jan 13, 2026
CVE-2026-0882High 8.8Use-after-free in the IPC component.Jan 13, 2026
CVE-2026-0883Medium 5.3Information disclosure in the Networking component.Jan 13, 2026
CVE-2026-0884Critical 9.8Use-after-free in the JavaScript Engine component.Jan 13, 2026
CVE-2026-0885Medium 6.5Use-after-free in the JavaScript: GC component.Jan 13, 2026
CVE-2026-0886Medium 5.3Incorrect boundary conditions in the Graphics component.Jan 13, 2026
CVE-2026-0887Medium 4.3Clickjacking issue, information disclosure in the PDF Viewer component.Jan 13, 2026
CVE-2026-0888Medium 5.3Information disclosure in the XML component.Jan 13, 2026
CVE-2026-0889High 7.5Denial-of-service in the DOM: Service Workers component.Jan 13, 2026
CVE-2026-0890Medium 5.4Spoofing issue in the DOM: Copy & Paste and Drag & Drop component.Jan 13, 2026
CVE-2026-0891High 8.1Memory safety bugs present in Firefox ESR 140.6, Thunderbird ESR 140.6, Firefox 146 and Thunderbird 146.Jan 13, 2026
CVE-2026-0892Critical 9.8Memory safety bugs present in Firefox 146 and Thunderbird 146.Jan 13, 2026
CVE-2026-0818Medium 4.3When a user explicitly requested Thunderbird to decrypt an inline OpenPGP message that was embedded in a text section of an email that was formatted and styled with HTML and CSS, then the decrypted c…Jan 28, 2026
CVE-2026-2447High 8.8Heap buffer overflow in libvpx.Feb 16, 2026
CVE-2026-2757Critical 9.8Incorrect boundary conditions in the WebRTC: Audio/Video component.Feb 24, 2026
CVE-2026-2758Critical 9.8Use-after-free in the JavaScript: GC component.Feb 24, 2026
CVE-2026-2759Critical 9.8Incorrect boundary conditions in the Graphics: ImageLib component.Feb 24, 2026
CVE-2026-2760Critical 10.0Sandbox escape due to incorrect boundary conditions in the Graphics: WebRender component.Feb 24, 2026
CVE-2026-2761Critical 10.0Sandbox escape in the Graphics: WebRender component.Feb 24, 2026
CVE-2026-2762Critical 9.8Integer overflow in the JavaScript: Standard Library component.Feb 24, 2026
CVE-2026-2763Critical 9.8Use-after-free in the JavaScript Engine component.Feb 24, 2026
CVE-2026-2764Critical 9.8JIT miscompilation, use-after-free in the JavaScript Engine: JIT component.Feb 24, 2026
CVE-2026-2765Critical 9.8Use-after-free in the JavaScript Engine component.Feb 24, 2026
CVE-2026-2766Critical 9.8Use-after-free in the JavaScript Engine: JIT component.Feb 24, 2026
CVE-2026-2767Critical 9.8Use-after-free in the JavaScript: WebAssembly component.Feb 24, 2026
CVE-2026-2768Critical 10.0Sandbox escape in the Storage: IndexedDB component.Feb 24, 2026
CVE-2026-2769High 8.8Use-after-free in the Storage: IndexedDB component.Feb 24, 2026
CVE-2026-2770Critical 9.8Use-after-free in the DOM: Bindings (WebIDL) component.Feb 24, 2026
CVE-2026-2771Critical 9.8Undefined behavior in the DOM: Core & HTML component.Feb 24, 2026
CVE-2026-2772Critical 9.8Use-after-free in the Audio/Video: Playback component.Feb 24, 2026
CVE-2026-2773Critical 9.8Incorrect boundary conditions in the Web Audio component.Feb 24, 2026
CVE-2026-2774Critical 9.8Integer overflow in the Audio/Video component.Feb 24, 2026
CVE-2026-2775Critical 9.8Mitigation bypass in the DOM: HTML Parser component.Feb 24, 2026
CVE-2026-2776Critical 10.0Sandbox escape due to incorrect boundary conditions in the Telemetry component in External Software.Feb 24, 2026
CVE-2026-2777Critical 9.8Privilege escalation in the Messaging System component.Feb 24, 2026
CVE-2026-2778Critical 10.0Sandbox escape due to incorrect boundary conditions in the DOM: Core & HTML component.Feb 24, 2026
CVE-2026-2779Critical 9.8Incorrect boundary conditions in the Networking: JAR component.Feb 24, 2026
CVE-2026-2780Critical 9.8Privilege escalation in the Netmonitor component.Feb 24, 2026
CVE-2026-2781Critical 9.8Integer overflow in the Libraries component in NSS.Feb 24, 2026
CVE-2026-2782Critical 9.8Privilege escalation in the Netmonitor component.Feb 24, 2026
CVE-2026-2783High 7.5Information disclosure due to JIT miscompilation in the JavaScript Engine: JIT component.Feb 24, 2026
CVE-2026-2784Critical 9.8Mitigation bypass in the DOM: Security component.Feb 24, 2026
CVE-2026-2785Critical 9.8Invalid pointer in the JavaScript Engine component.Feb 24, 2026
CVE-2026-2786Critical 9.8Use-after-free in the JavaScript Engine component.Feb 24, 2026
CVE-2026-2787Critical 9.8Use-after-free in the DOM: Window and Location component.Feb 24, 2026
CVE-2026-2788Critical 9.8Incorrect boundary conditions in the Audio/Video: GMP component.Feb 24, 2026
PreviousPage 2 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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