EUVD-2026-14873

Memory safety bugs present in Firefox 148 and Thunderbird 148. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox 149...

EUVD-2026-14865

Sandbox escape due to use-after-free in the Graphics: Canvas2D component. This vulnerability affects Firefox 149...

EUVD-2026-14861

Use-after-free in the JavaScript Engine component. This vulnerability affects Firefox 149...

EUVD-2026-14867

Denial-of-service in the XML component. This vulnerability affects Firefox 149...

EUVD-2026-14871

Spoofing issue in the Privacy: Anti-Tracking component. This vulnerability affects Firefox 149...

EUVD-2026-14863

Undefined behavior in the Audio/Video component. This vulnerability affects Firefox 149...

EUVD-2026-14812

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

EUVD-2026-14823

Denial-of-service in the WebRTC: Signaling component. This vulnerability affects Firefox 149 and Firefox ESR 140.9...

EUVD-2026-14817

Mitigation bypass in the Networking: HTTP component. This vulnerability affects Firefox 149 and Firefox ESR 140.9...

EUVD-2026-14831

Incorrect boundary conditions in the Graphics component. This vulnerability affects Firefox 149 and Firefox ESR 140.9...

EUVD-2026-14827

Incorrect boundary conditions in the Graphics: Canvas2D component. This vulnerability affects Firefox 149, Firefox ESR 115.34, and Firefox ESR 140.9...

EUVD-2026-14829

Incorrect boundary conditions in the Graphics: Canvas2D component. This vulnerability affects Firefox 149, Firefox ESR 115.34, and Firefox ESR 140.9...

EUVD-2026-14835

Incorrect boundary conditions in the Audio/Video component. This vulnerability affects Firefox 149 and Firefox ESR 140.9...

EUVD-2026-14851

Undefined behavior in the WebRTC: Signaling component. This vulnerability affects Firefox 149 and Firefox ESR 140.9...

EUVD-2026-14845

Uninitialized memory in the Graphics: Canvas2D component. This vulnerability affects Firefox 149 and Firefox ESR 140.9...

EUVD-2026-14837

Use-after-free in the Widget: Cocoa component. This vulnerability affects Firefox 149 and Firefox ESR 140.9...

EUVD-2026-14810

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

EUVD-2026-14800

Sandbox escape due to use-after-free in the Disability Access APIs component. This vulnerability affects Firefox 149 and Firefox ESR 140.9...

EUVD-2026-14808

Incorrect boundary conditions in the Audio/Video: Playback component. This vulnerability affects Firefox 149, Firefox ESR 115.34, and Firefox ESR 140.9...

EUVD-2026-14802

Sandbox escape due to incorrect boundary conditions, integer overflow in the XPCOM component. This vulnerability affects Firefox 149, Firefox ESR 115.34, and Firefox ESR 140.9...