← Back

Firefox

firefox

Vendor: Mozilla • 3,181 CVEs

CVEs (3,181)

CVE
VENDORS
PRODUCTS
UPDATED
PUBLISHED
CVSS
1Mozilla
1Firefox
Jun 17, 2026
Mar 24, 2026
N/A· v4
7.5 HIGH· v3
N/A· v2
Incorrect boundary conditions in the Graphics component. This vulnerability was fixed in Firefox 149, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9.
1Mozilla
1Firefox
Jun 17, 2026
Mar 24, 2026
N/A· v4
7.5 HIGH· v3
N/A· v2
Information disclosure in the Widget: Cocoa component. This vulnerability was fixed in Firefox 149, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9.
1Mozilla
1Firefox
Jun 17, 2026
Mar 24, 2026
N/A· v4
9.8 CRITICAL· v3
N/A· v2
Use-after-free in the Widget: Cocoa component. This vulnerability was fixed in Firefox 149, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9.
1Mozilla
2Firefox
Thunderbird
Jun 17, 2026
Mar 24, 2026
N/A· v4
9.8 CRITICAL· v3
N/A· v2
Incorrect boundary conditions in the Audio/Video component. This vulnerability was fixed in Firefox 149, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9.
1Mozilla
1Firefox
Jun 17, 2026
Mar 24, 2026
N/A· v4
7.5 HIGH· v3
N/A· v2
Incorrect boundary conditions in the Audio/Video: GMP component. This vulnerability was fixed in Firefox 149, Firefox ESR 115.34, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9.
1Mozilla
1Firefox
Jun 17, 2026
Mar 24, 2026
N/A· v4
7.5 HIGH· v3
N/A· v2
Incorrect boundary conditions in the Graphics component. This vulnerability was fixed in Firefox 149, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9.
1Mozilla
1Firefox
Jun 17, 2026
Mar 24, 2026
N/A· v4
7.5 HIGH· v3
N/A· v2
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 Thunderbird 140.9.
1Mozilla
1Firefox
Jun 17, 2026
Mar 24, 2026
N/A· v4
7.5 HIGH· v3
N/A· v2
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 Thunderbird 140.9.
1Mozilla
1Firefox
Jun 17, 2026
Mar 24, 2026
N/A· v4
9.8 CRITICAL· v3
N/A· v2
Undefined behavior in the WebRTC: Signaling component. This vulnerability was fixed in Firefox 149, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9.
1Mozilla
1Firefox
Jun 17, 2026
Mar 24, 2026
N/A· v4
7.5 HIGH· v3
N/A· v2
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.
1Mozilla
1Firefox
Jun 17, 2026
Mar 24, 2026
N/A· v4
9.8 CRITICAL· v3
N/A· v2
JIT miscompilation in the JavaScript Engine component. This vulnerability was fixed in Firefox 149, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9.
1Mozilla
1Firefox
Jun 17, 2026
Mar 24, 2026
N/A· v4
9.8 CRITICAL· v3
N/A· v2
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.
1Mozilla
1Firefox
Jul 15, 2026
Mar 24, 2026
N/A· v4
9.8 CRITICAL· v3
N/A· v2
Mitigation bypass in the Networking: HTTP component. This vulnerability was fixed in Firefox 149, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9.
1Mozilla
1Firefox
Jul 15, 2026
Mar 24, 2026
N/A· v4
7.5 HIGH· v3
N/A· v2
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 Thunderbird 140.9.
1Mozilla
1Firefox
Jul 15, 2026
Mar 24, 2026
N/A· v4
9.8 CRITICAL· v3
N/A· v2
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 140.9.
1Mozilla
1Firefox
Jul 15, 2026
Mar 24, 2026
N/A· v4
7.5 HIGH· v3
N/A· v2
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.
1Mozilla
1Firefox
Jul 15, 2026
Mar 24, 2026
N/A· v4
9.8 CRITICAL· v3
N/A· v2
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.
1Mozilla
1Firefox
Jul 15, 2026
Mar 24, 2026
N/A· v4
7.5 HIGH· v3
N/A· v2
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.
1Mozilla
2Firefox
Thunderbird
Jul 15, 2026
Mar 24, 2026
N/A· v4
7.5 HIGH· v3
N/A· v2
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 Thunderbird 140.9.
1Mozilla
1Firefox
Jul 15, 2026
Mar 24, 2026
N/A· v4
7.5 HIGH· v3
N/A· v2
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 Thunderbird 140.9.