CVE-2026-74967

Firefox and Thunderbird's Audio/Video: Playback component has a same-origin policy bypass (CVSS 5.4, MEDIUM) exploitable via a crafted page requiring user interaction. Fixed in Firefox 154, Firefox ESR 140.14/153.1, Thunderbird 154, and Thunderbird 140.14/153.1. No in-the-wild exploitation report...

EUVD-2026-60664

Same-origin policy bypass in the Audio/Video: Playback component. This vulnerability was fixed in Firefox 154, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1...

CVE-2026-74967

Same-origin policy bypass in the Audio/Video: Playback component. This vulnerability was fixed in Firefox 154, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1...

CVE-2026-74967

Same-origin policy bypass in the Audio/Video: Playback component. This vulnerability was fixed in Firefox 154, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1...

CVE-2026-74967 Same-origin policy bypass in the Audio/Video: Playback component

Same-origin policy bypass in the Audio/Video: Playback component. This vulnerability was fixed in Firefox 154, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1...

PT-2026-77000

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 154 Firefox ESR versions prior to 140.14 Firefox ESR versions prior to 153.1 Thunderbird versions prior to 154 Thunderbird versions prior to 140.14 Thunderbird versions prior to 153.1 Description A same-origin policy...

PT-2026-77014

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 154 Firefox ESR versions prior to 153.1 Thunderbird versions prior to 154 Thunderbird versions prior to 153.1 Description A site isolation issue exists within the Audio/Video: Web Codecs component. Site isolation is a...

firefox: thunderbird: Use-after-free in the WebRTC: Audio/Video component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Use-after-free in the WebRTC: Audio/Video component...

firefox: thunderbird: Incorrect boundary conditions in the Audio/Video: cubeb component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Incorrect boundary conditions in the Audio/Video: cubeb component...

firefox: thunderbird: Use-after-free in the WebRTC: Audio/Video component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Use-after-free in the WebRTC: Audio/Video component...

firefox: thunderbird: Incorrect boundary conditions in the Audio/Video: cubeb component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Incorrect boundary conditions in the Audio/Video: cubeb component...

firefox: thunderbird: Incorrect boundary conditions in the Audio/Video: cubeb component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Incorrect boundary conditions in the Audio/Video: cubeb component...

firefox: thunderbird: Use-after-free in the WebRTC: Audio/Video component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Use-after-free in the WebRTC: Audio/Video component...

firefox: thunderbird: Incorrect boundary conditions in the Audio/Video: GMP component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Incorrect boundary conditions in the Audio/Video: GMP component...

firefox: thunderbird: Use-after-free in the WebRTC: Audio/Video component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Use-after-free in the WebRTC: Audio/Video component...

firefox: thunderbird: Incorrect boundary conditions in the Audio/Video: cubeb component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Incorrect boundary conditions in the Audio/Video: cubeb component...

firefox: thunderbird: Incorrect boundary conditions in the Audio/Video: cubeb component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Incorrect boundary conditions in the Audio/Video: cubeb component...

firefox: thunderbird: Use-after-free in the WebRTC: Audio/Video component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Use-after-free in the WebRTC: Audio/Video component...

firefox: thunderbird: Incorrect boundary conditions in the Audio/Video: cubeb component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Incorrect boundary conditions in the Audio/Video: cubeb component...

firefox: thunderbird: Use-after-free in the WebRTC: Audio/Video component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Use-after-free in the WebRTC: Audio/Video component...