[SECURITY] [DLA 4750-1] firefox-esr security update

------------------------------------------------------------------------- Debian LTS Advisory DLA-4750-1 [email protected] https://www.debian.org/lts/security/ Emilio Pozuelo Monfort August 21, 2026 https://wiki.debian.org/LTS -...

[SECURITY] [DSA 6451-1] firefox-esr security update

------------------------------------------------------------------------- Debian Security Advisory DSA-6451-1 [email protected] https://www.debian.org/security/ Moritz Muehlenhoff August 19, 2026 https://www.debian.org/security/faq -...

UBUNTU-CVE-2026-74963

Same-origin policy bypass in the Networking: Cookies component. This v...

UBUNTU-CVE-2026-74956

Same-origin policy bypass in the DOM: Service Workers component. This...

UBUNTU-CVE-2026-74967

Same-origin policy bypass in the Audio/Video: Playback component. This...

CVE-2026-74974

Same-origin policy bypass in the Graphics: ImageLib component. This vu...

UBUNTU-CVE-2026-74974

Same-origin policy bypass in the Graphics: ImageLib component. This vu...

CVE-2026-74963

Same-origin policy bypass in the Networking: Cookies component. This v...

Linux Distros Unpatched Vulnerability : CVE-2026-74974

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Same-origin policy bypass in the Graphics: ImageLib component. This vulnerability was fixed in Firefox 154, Firefox ESR 115.39, Firefox ESR 140.14, Firefox ESR...

Linux Distros Unpatched Vulnerability : CVE-2026-74963

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Same-origin policy bypass in the Networking: Cookies component. This vulnerability was fixed in Firefox 154, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird...

Debian dsa-6451 : firefox-esr - security update

The remote Debian 13 host has packages installed that are affected by multiple vulnerabilities as referenced in the dsa-6451 advisory. - ------------------------------------------------------------------------- Debian Security Advisory DSA-6451-1 [email protected] https://www.debian.org/securit...

CVE-2026-74967

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

CVE-2026-74963

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...

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-2026-74963

Same-origin policy bypass 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...

CVE-2026-74956

Same-origin policy bypass in the DOM: Service Workers component. This vulnerability was fixed in Firefox 154, Firefox ESR 153.1, Thunderbird 154, and Thunderbird 153.1...

CVE-2026-74956

Same-origin policy bypass in the DOM: Service Workers component. This vulnerability was fixed in Firefox 154, Firefox ESR 153.1, Thunderbird 154, and Thunderbird 153.1...

CVE-2026-74956

Firefox and Thunderbird's DOM: Service Workers component has a same-origin policy bypass allowing cross-origin data access and manipulation. CVSS 9.1 (critical). Fixed in Firefox 154, ESR 153.1, Thunderbird 154, and 153.1. No exploitation reported in provided documents. Debian/Ubuntu users withou...

CVE-2026-74956 Same-origin policy bypass in the DOM: Service Workers component

Same-origin policy bypass in the DOM: Service Workers component. This vulnerability was fixed in Firefox 154, Firefox ESR 153.1, Thunderbird 154, and Thunderbird 153.1...

CVE-2026-74956 Same-origin policy bypass in the DOM: Service Workers component

Same-origin policy bypass in the DOM: Service Workers component. This vulnerability was fixed in Firefox 154, Firefox ESR 153.1, Thunderbird 154, and Thunderbird 153.1...