[SECURITY] [DLA 4836-1] firefox-esr security update

------------------------------------------------------------------------- Debian LTS Advisory DLA-4836-1 [email protected] https://www.debian.org/lts/security/ Emilio Pozuelo Monfort October 15, 2026 https://wiki.debian.org/LTS -...

[SECURITY] [DSA 6560-1] firefox-esr security update

------------------------------------------------------------------------- Debian Security Advisory DSA-6560-1 [email protected] https://www.debian.org/security/ Moritz Muehlenhoff October 14, 2026 https://www.debian.org/security/faq -...

Debian dsa-6560 : firefox-esr - security update

The remote Debian 13 host has packages installed that are affected by multiple vulnerabilities as referenced in the dsa-6560 advisory. - ------------------------------------------------------------------------- Debian Security Advisory DSA-6560-1 [email protected] https://www.debian.org/securit...

DEBIAN-CVE-2026-109782

Mitigation bypass in the File Handling component. This vulnerability was fixed in Firefox ESR 153.5 and Thunderbird 153.5...

DEBIAN-CVE-2026-109783

Mitigation bypass in the File Handling component. This vulnerability was fixed in Firefox ESR 153.5 and Thunderbird 153.5...

DEBIAN-CVE-2026-109778

Privilege escalation in the WebExtensions component. This vulnerability was fixed in Firefox 158, Firefox ESR 153.5, Thunderbird 158, and Thunderbird 153.5...

DEBIAN-CVE-2026-109766

Mitigation bypass in the Enterprise Policies component. This vulnerability was fixed in Firefox 158, Firefox ESR 153.5, Thunderbird 158, and Thunderbird 153.5...

DEBIAN-CVE-2026-109760

Mitigation bypass in the Networking: HTTP component. This vulnerability was fixed in Firefox 158, Firefox ESR 153.5, Thunderbird 158, and Thunderbird 153.5...

DEBIAN-CVE-2026-109757

Sandbox escape due to race condition in the Networking component. This vulnerability was fixed in Firefox 158, Firefox ESR 153.5, Thunderbird 158, and Thunderbird 153.5...

DEBIAN-CVE-2026-109743

Privilege escalation in the Panning and Zooming component. This vulnerability was fixed in Firefox 158, Firefox ESR 153.5, Thunderbird 158, and Thunderbird 153.5...

DEBIAN-CVE-2026-109744

Other issue in the DOM: File component. This vulnerability was fixed in Firefox 158, Firefox ESR 153.5, Thunderbird 158, and Thunderbird 153.5...

DEBIAN-CVE-2026-109751

Information disclosure in the Networking component. This vulnerability was fixed in Firefox 158, Firefox ESR 153.5, Thunderbird 158, and Thunderbird 153.5...

DEBIAN-CVE-2026-109731

Incorrect boundary conditions in the Graphics: Canvas2D component. This vulnerability was fixed in Firefox 158, Firefox ESR 153.5, Thunderbird 158, and Thunderbird 153.5...

DEBIAN-CVE-2026-109734

Mitigation bypass in the DOM: Security component. This vulnerability was fixed in Firefox 158, Firefox ESR 153.5, Thunderbird 158, and Thunderbird 153.5...

DEBIAN-CVE-2026-109723

Integer overflow in the Layout: Text and Fonts component. This vulnerability was fixed in Firefox 158, Firefox ESR 153.5, Thunderbird 158, and Thunderbird 153.5...

DEBIAN-CVE-2026-109716

Incorrect boundary conditions in the JavaScript Engine component. This vulnerability was fixed in Firefox 158, Firefox ESR 115.43, Firefox ESR 153.5, Thunderbird 158, and Thunderbird 153.5...

DEBIAN-CVE-2026-109709

Information disclosure, privilege escalation in the Security: Process Sandboxing component. This vulnerability was fixed in Firefox 158, Firefox ESR 153.5, Thunderbird 158, and Thunderbird 153.5...

DEBIAN-CVE-2026-109715

Incorrect boundary conditions in the JavaScript Engine component. This vulnerability was fixed in Firefox 158, Firefox ESR 115.43, Firefox ESR 153.5, Thunderbird 158, and Thunderbird 153.5...

DEBIAN-CVE-2026-109713

Use-after-free in the Crash Reporting component. This vulnerability was fixed in Firefox 158, Firefox ESR 153.5, Thunderbird 158, and Thunderbird 153.5...

DEBIAN-CVE-2026-109708

Sandbox escape due to incorrect boundary conditions in the Networking component. This vulnerability was fixed in Firefox 158, Firefox ESR 153.5, Thunderbird 158, and Thunderbird 153.5...