Home / mailings [SECURITY] [DSA 6501-1] firefox-esr security update
Posted on 16 September 2026
Debian Security Advisory- -------------------------------------------------------------------------
Debian Security Advisory DSA-6501-1 security@debian.org
https://www.debian.org/security/ Moritz Muehlenhoff
September 16, 2026 https://www.debian.org/security/faq
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Package : firefox-esr
CVE ID : CVE-2026-92005 CVE-2026-92006 CVE-2026-92007 CVE-2026-92008
CVE-2026-92009 CVE-2026-92010 CVE-2026-92011 CVE-2026-92012
CVE-2026-92013 CVE-2026-92014 CVE-2026-92015 CVE-2026-92016
CVE-2026-92017 CVE-2026-92018 CVE-2026-92019 CVE-2026-92020
CVE-2026-92021 CVE-2026-92022 CVE-2026-92023 CVE-2026-92024
CVE-2026-92025 CVE-2026-92026 CVE-2026-92027 CVE-2026-92028
CVE-2026-92029 CVE-2026-92030 CVE-2026-92031 CVE-2026-92032
Multiple security issues have been found in the Mozilla Firefox web
browser, which could potentially result in the execution of arbitrary
code, information disclosure or privilege escalation.
For the stable distribution (trixie), these problems have been fixed in
version 140.16.0esr-1~deb13u1.
We recommend that you upgrade your firefox-esr packages.
For the detailed security status of firefox-esr please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/firefox-esr
Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/
Mailing list: debian-security-announce@lists.debian.org
