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Vendor/product archive

mozilla / firefox CVEs

Beta · best-effort

3,231 CVEs tagged to mozilla / firefox890 Critical, 953 High, 1,310 Medium, 78 Low, 0 Unrated.

CVE-2026-4707

Published Mar 24, 2026

Incorrect boundary conditions in the Graphics: Canvas2D component. This vulnerability was fixed in Firefox 149, Firefox ESR 115.34, Firefox ESR 140.9, Thunderbird 149, and Thunder…

CVSS 7.5 · High
evidence mentions
6
Buzz score
29.5
Vendor/product tagsBeta · best-effort

CVE-2026-4706

Published Mar 24, 2026

Incorrect boundary conditions in the Graphics: Canvas2D component. This vulnerability was fixed in Firefox 149, Firefox ESR 115.34, Firefox ESR 140.9, Thunderbird 149, and Thunder…

CVSS 7.5 · High
evidence mentions
6
Buzz score
29.5
Vendor/product tagsBeta · best-effort

CVE-2026-4705

Published Mar 24, 2026

Undefined behavior in the WebRTC: Signaling component. This vulnerability was fixed in Firefox 149, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9.

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

CVE-2026-4704

Published Mar 24, 2026

Denial-of-service in the WebRTC: Signaling component. This vulnerability was fixed in Firefox 149, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9.

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

CVE-2026-4702

Published Mar 24, 2026

JIT miscompilation in the JavaScript Engine component. This vulnerability was fixed in Firefox 149, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9.

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

CVE-2026-4701

Published Mar 24, 2026

Use-after-free in the JavaScript Engine component. This vulnerability was fixed in Firefox 149, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9.

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

CVE-2026-4700

Published Mar 24, 2026

Mitigation bypass in the Networking: HTTP component. This vulnerability was fixed in Firefox 149, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9.

CVSS 9.8 · Critical
evidence mentions
33
Buzz score
44.5
Vendor/product tagsBeta · best-effort

CVE-2026-4699

Published Mar 24, 2026

Incorrect boundary conditions in the Layout: Text and Fonts component. This vulnerability was fixed in Firefox 149, Firefox ESR 115.34, Firefox ESR 140.9, Thunderbird 149, and Thu…

CVSS 7.5 · High
evidence mentions
34
Buzz score
44.5
Vendor/product tagsBeta · best-effort

CVE-2026-4698

Published Mar 24, 2026

JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 149, Firefox ESR 115.34, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 14…

CVSS 9.8 · Critical
evidence mentions
34
Buzz score
44.5
Vendor/product tagsBeta · best-effort

CVE-2026-4697

Published Mar 24, 2026

Incorrect boundary conditions in the Audio/Video: Web Codecs component. This vulnerability was fixed in Firefox 149, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9.

CVSS 7.5 · High
evidence mentions
33
Buzz score
44.5
Vendor/product tagsBeta · best-effort

CVE-2026-4696

Published Mar 24, 2026

Use-after-free in the Layout: Text and Fonts component. This vulnerability was fixed in Firefox 149, Firefox ESR 115.34, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9.

CVSS 9.8 · Critical
evidence mentions
34
Buzz score
44.5
Vendor/product tagsBeta · best-effort

CVE-2026-4695

Published Mar 24, 2026

Incorrect boundary conditions in the Audio/Video: Web Codecs component. This vulnerability was fixed in Firefox 149, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9.

CVSS 7.5 · High
evidence mentions
33
Buzz score
44.5
Vendor/product tagsBeta · best-effort

CVE-2026-4694

Published Mar 24, 2026

Incorrect boundary conditions, integer overflow in the Graphics component. This vulnerability was fixed in Firefox 149, Firefox ESR 115.34, Firefox ESR 140.9, Thunderbird 149, and…

CVSS 7.5 · High
evidence mentions
34
Buzz score
44.5
Vendor/product tagsBeta · best-effort

CVE-2026-4693

Published Mar 24, 2026

Incorrect boundary conditions in the Audio/Video: Playback component. This vulnerability was fixed in Firefox 149, Firefox ESR 115.34, Firefox ESR 140.9, Thunderbird 149, and Thun…

CVSS 7.5 · High
evidence mentions
34
Buzz score
44.5
Vendor/product tagsBeta · best-effort

CVE-2026-4692

Published Mar 24, 2026

Sandbox escape in the Responsive Design Mode component. This vulnerability was fixed in Firefox 149, Firefox ESR 115.34, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9.

CVSS 10.0 · Critical
evidence mentions
34
Buzz score
44.5
Vendor/product tagsBeta · best-effort

CVE-2026-4691

Published Mar 24, 2026

Use-after-free in the CSS Parsing and Computation component. This vulnerability was fixed in Firefox 149, Firefox ESR 115.34, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 1…

CVSS 9.8 · Critical
evidence mentions
34
Buzz score
44.5
Vendor/product tagsBeta · best-effort

CVE-2026-4690

Published Mar 24, 2026

Sandbox escape due to incorrect boundary conditions, integer overflow in the XPCOM component. This vulnerability was fixed in Firefox 149, Firefox ESR 115.34, Firefox ESR 140.9, T…

CVSS 8.6 · High
evidence mentions
34
Buzz score
44.5
Vendor/product tagsBeta · best-effort

CVE-2026-4689

Published Mar 24, 2026

Sandbox escape due to incorrect boundary conditions, integer overflow in the XPCOM component. This vulnerability was fixed in Firefox 149, Firefox ESR 115.34, Firefox ESR 140.9, T…

CVSS 10.0 · Critical
evidence mentions
34
Buzz score
44.5
Vendor/product tagsBeta · best-effort

CVE-2026-4688

Published Mar 24, 2026

Sandbox escape due to use-after-free in the Disability Access APIs component. This vulnerability was fixed in Firefox 149, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.…

CVSS 10.0 · Critical
evidence mentions
33
Buzz score
44.5
Vendor/product tagsBeta · best-effort

CVE-2026-4687

Published Mar 24, 2026

Sandbox escape due to incorrect boundary conditions in the Telemetry component. This vulnerability was fixed in Firefox 149, Firefox ESR 115.34, Firefox ESR 140.9, Thunderbird 149…

CVSS 8.6 · High
evidence mentions
34
Buzz score
44.5
Vendor/product tagsBeta · best-effort

CVE-2026-4686

Published Mar 24, 2026

Incorrect boundary conditions in the Graphics: Canvas2D component. This vulnerability was fixed in Firefox 149, Firefox ESR 115.34, Firefox ESR 140.9, Thunderbird 149, and Thunder…

CVSS 7.5 · High
evidence mentions
34
Buzz score
44.5
Vendor/product tagsBeta · best-effort

CVE-2026-4685

Published Mar 24, 2026

Incorrect boundary conditions in the Graphics: Canvas2D component. This vulnerability was fixed in Firefox 149, Firefox ESR 115.34, Firefox ESR 140.9, Thunderbird 149, and Thunder…

CVSS 7.5 · High
evidence mentions
34
Buzz score
44.5
Vendor/product tagsBeta · best-effort

CVE-2026-4684

Published Mar 24, 2026

Race condition, use-after-free in the Graphics: WebRender component. This vulnerability was fixed in Firefox 149, Firefox ESR 115.34, Firefox ESR 140.9, Thunderbird 149, and Thund…

CVSS 7.5 · High
evidence mentions
34
Buzz score
44.5
Vendor/product tagsBeta · best-effort

CVE-2026-3847

Published Mar 10, 2026

Memory safety bugs present in Firefox 148.0.2. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploit…

CVSS 8.8 · High
evidence mentions
2
Buzz score
21.0
Vendor/product tagsBeta · best-effort

CVE-2026-3846

Published Mar 10, 2026

Same-origin policy bypass in the CSS Parsing and Computation component. This vulnerability was fixed in Firefox 148.0.2.

CVSS 6.5 · Medium
evidence mentions
2
Buzz score
21.0
Vendor/product tagsBeta · best-effort
Showing 176-200 of 3,231 CVEsPage 8 of 130