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Vendor/product archive

mozilla / thunderbird CVEs

Beta · best-effort

1,829 CVEs tagged to mozilla / thunderbird640 Critical, 547 High, 616 Medium, 26 Low, 0 Unrated.

CVE-2026-0887

Published Jan 13, 2026

Clickjacking issue, information disclosure in the PDF Viewer component. This vulnerability was fixed in Firefox 147, Firefox ESR 140.7, Thunderbird 147, and Thunderbird 140.7.

CVSS 4.3 · Medium
evidence mentions
5
Buzz score
27.9
Vendor/product tagsBeta · best-effort

CVE-2026-0886

Published Jan 13, 2026

Incorrect boundary conditions in the Graphics component. This vulnerability was fixed in Firefox 147, Firefox ESR 115.32, Firefox ESR 140.7, Thunderbird 147, and Thunderbird 140.7.

CVSS 5.3 · Medium
evidence mentions
6
Buzz score
29.5
Vendor/product tagsBeta · best-effort

CVE-2026-0885

Published Jan 13, 2026

Use-after-free in the JavaScript: GC component. This vulnerability was fixed in Firefox 147, Firefox ESR 140.7, Thunderbird 147, and Thunderbird 140.7.

CVSS 6.5 · Medium
evidence mentions
5
Buzz score
27.9
Vendor/product tagsBeta · best-effort

CVE-2026-0884

Published Jan 13, 2026

Use-after-free in the JavaScript Engine component. This vulnerability was fixed in Firefox 147, Firefox ESR 140.7, Thunderbird 147, and Thunderbird 140.7.

CVSS 9.8 · Critical
evidence mentions
5
Buzz score
27.9
Vendor/product tagsBeta · best-effort

CVE-2026-0883

Published Jan 13, 2026

Information disclosure in the Networking component. This vulnerability was fixed in Firefox 147, Firefox ESR 140.7, Thunderbird 147, and Thunderbird 140.7.

CVSS 5.3 · Medium
evidence mentions
5
Buzz score
27.9
Vendor/product tagsBeta · best-effort

CVE-2026-0882

Published Jan 13, 2026

Use-after-free in the IPC component. This vulnerability was fixed in Firefox 147, Firefox ESR 115.32, Firefox ESR 140.7, Thunderbird 147, and Thunderbird 140.7.

CVSS 8.8 · High
evidence mentions
32
Buzz score
44.5
Vendor/product tagsBeta · best-effort

CVE-2026-0880

Published Jan 13, 2026

Sandbox escape due to integer overflow in the Graphics component. This vulnerability was fixed in Firefox 147, Firefox ESR 115.32, Firefox ESR 140.7, Thunderbird 147, and Thunderb…

CVSS 8.8 · High
evidence mentions
32
Buzz score
44.5
Vendor/product tagsBeta · best-effort

CVE-2026-0879

Published Jan 13, 2026

Sandbox escape due to incorrect boundary conditions in the Graphics component. This vulnerability was fixed in Firefox 147, Firefox ESR 115.32, Firefox ESR 140.7, Thunderbird 147,…

CVSS 9.8 · Critical
evidence mentions
32
Buzz score
44.5
Vendor/product tagsBeta · best-effort

CVE-2026-0878

Published Jan 13, 2026

Sandbox escape due to incorrect boundary conditions in the Graphics: CanvasWebGL component. This vulnerability was fixed in Firefox 147, Firefox ESR 140.7, Thunderbird 147, and Th…

CVSS 8.0 · High
evidence mentions
31
Buzz score
44.5
Vendor/product tagsBeta · best-effort

CVE-2026-0877

Published Jan 13, 2026

Mitigation bypass in the DOM: Security component. This vulnerability was fixed in Firefox 147, Firefox ESR 115.32, Firefox ESR 140.7, Thunderbird 147, and Thunderbird 140.7.

CVSS 8.1 · High
evidence mentions
32
Buzz score
44.5
Vendor/product tagsBeta · best-effort

CVE-2025-14333

Published Dec 9, 2025

Memory safety bugs present in Firefox ESR 140.5, Thunderbird ESR 140.5, Firefox 145 and Thunderbird 145. Some of these bugs showed evidence of memory corruption and we presume tha…

CVSS 8.1 · High
evidence mentions
5
Buzz score
27.9
Vendor/product tagsBeta · best-effort

CVE-2025-14332

Published Dec 9, 2025

Memory safety bugs present in Firefox 145 and Thunderbird 145. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could h…

CVSS 7.3 · High
evidence mentions
3
Buzz score
23.9
Vendor/product tagsBeta · best-effort

CVE-2025-14331

Published Dec 9, 2025

Same-origin policy bypass in the Request Handling component. This vulnerability was fixed in Firefox 146, Firefox ESR 115.31, Firefox ESR 140.6, Thunderbird 146, and Thunderbird 1…

CVSS 6.5 · Medium
evidence mentions
6
Buzz score
29.5
Vendor/product tagsBeta · best-effort

CVE-2025-14329

Published Dec 9, 2025

Privilege escalation in the Netmonitor component. This vulnerability was fixed in Firefox 146, Firefox ESR 140.6, Thunderbird 146, and Thunderbird 140.6.

CVSS 8.8 · High
evidence mentions
5
Buzz score
27.9
Vendor/product tagsBeta · best-effort

CVE-2025-14328

Published Dec 9, 2025

Privilege escalation in the Netmonitor component. This vulnerability was fixed in Firefox 146, Firefox ESR 140.6, Thunderbird 146, and Thunderbird 140.6.

CVSS 8.8 · High
evidence mentions
5
Buzz score
27.9
Vendor/product tagsBeta · best-effort

CVE-2025-14327

Published Dec 9, 2025

Spoofing issue in the Downloads Panel component. This vulnerability was fixed in Firefox 146, Thunderbird 146, Firefox ESR 140.7, and Thunderbird 140.7.

CVSS 7.5 · High
evidence mentions
5
Buzz score
27.9
Vendor/product tagsBeta · best-effort

CVE-2025-14325

Published Dec 9, 2025

JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 146, Firefox ESR 140.6, Thunderbird 146, and Thunderbird 140.6.

CVSS 7.3 · High
evidence mentions
5
Buzz score
27.9
Vendor/product tagsBeta · best-effort

CVE-2025-14324

Published Dec 9, 2025

JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 146, Firefox ESR 115.31, Firefox ESR 140.6, Thunderbird 146, and Thunderbird 14…

CVSS 9.8 · Critical
evidence mentions
6
Buzz score
29.5
Vendor/product tagsBeta · best-effort

CVE-2025-14323

Published Dec 9, 2025

Privilege escalation in the DOM: Notifications component. This vulnerability was fixed in Firefox 146, Firefox ESR 115.31, Firefox ESR 140.6, Thunderbird 146, and Thunderbird 140.…

CVSS 8.8 · High
evidence mentions
6
Buzz score
29.5
Vendor/product tagsBeta · best-effort

CVE-2025-14322

Published Dec 9, 2025

Sandbox escape due to incorrect boundary conditions in the Graphics: CanvasWebGL component. This vulnerability was fixed in Firefox 146, Firefox ESR 115.31, Firefox ESR 140.6, Thu…

CVSS 8.0 · High
evidence mentions
6
Buzz score
29.5
Vendor/product tagsBeta · best-effort

CVE-2025-14321

Published Dec 9, 2025

Use-after-free in the WebRTC: Signaling component. This vulnerability was fixed in Firefox 146, Firefox ESR 140.6, Thunderbird 146, and Thunderbird 140.6.

CVSS 9.8 · Critical
evidence mentions
5
Buzz score
27.9
Vendor/product tagsBeta · best-effort
Showing 251-275 of 1,829 CVEsPage 11 of 74