CVE-2026-74953

Privilege escalation in the Networking: Cookies 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...

Astra Linux – Vulnerability in Firefox

Bypass of the same-origin policy in the Networking:Cookies component. This vulnerability has been fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12...

firefox: thunderbird: Same-origin policy bypass in the Networking: Cookies component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Same-origin policy bypass in the Networking: Cookies component...

firefox: thunderbird: Same-origin policy bypass in the Networking: Cookies component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Same-origin policy bypass in the Networking: Cookies component...

firefox: thunderbird: Same-origin policy bypass in the Networking: Cookies component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Same-origin policy bypass in the Networking: Cookies component...

firefox: thunderbird: Same-origin policy bypass in the Networking: Cookies component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Same-origin policy bypass in the Networking: Cookies component...

SUSE SLED15: MozillaThunderbird / MozillaThunderbird-translations-common / etc (SUSE-SU-2026:2852-1)

The remote SUSE Linux SLED15 / SLEDSAP15 / SLES15 / SLESSAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:2852-1 advisory. This update for MozillaThunderbird fixes the following issues Update to Firefox 140.12.0 ESR MFSA 2026-58,...

firefox: thunderbird: Same-origin policy bypass in the Networking: Cookies component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Same-origin policy bypass in the Networking: Cookies component...

firefox: thunderbird: Same-origin policy bypass in the Networking: Cookies component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Same-origin policy bypass in the Networking: Cookies component...

firefox: thunderbird: Same-origin policy bypass in the Networking: Cookies component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Same-origin policy bypass in the Networking: Cookies component...

firefox: thunderbird: Same-origin policy bypass in the Networking: Cookies component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Same-origin policy bypass in the Networking: Cookies component...

firefox: thunderbird: Same-origin policy bypass in the Networking: Cookies component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Same-origin policy bypass in the Networking: Cookies component...

SUSE-SU-2026:2852-1 Security update for MozillaThunderbird

This update for MozillaThunderbird fixes the following issues Update to Firefox 140.12.0 ESR MFSA 2026-58, bsc1268071: - CVE-2026-12289: Privilege escalation in the Graphics: WebRender component. - CVE-2026-12290: Memory safety bug fixed in Firefox ESR 140.12. - CVE-2026-12291: Use-after-free in...

firefox: thunderbird: Same-origin policy bypass in the Networking: Cookies component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Same-origin policy bypass in the Networking: Cookies component...

firefox: thunderbird: Same-origin policy bypass in the Networking: Cookies component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Same-origin policy bypass in the Networking: Cookies component...

firefox: thunderbird: Same-origin policy bypass in the Networking: Cookies component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Same-origin policy bypass in the Networking: Cookies component...

firefox: thunderbird: Same-origin policy bypass in the Networking: Cookies component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Same-origin policy bypass in the Networking: Cookies component...

firefox: thunderbird: Same-origin policy bypass in the Networking: Cookies component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Same-origin policy bypass in the Networking: Cookies component...

firefox: thunderbird: Same-origin policy bypass in the Networking: Cookies component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Same-origin policy bypass in the Networking: Cookies component...

firefox: thunderbird: Same-origin policy bypass in the Networking: Cookies component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Same-origin policy bypass in the Networking: Cookies component...