Debian firefox-esr Important Arbitrary Code Exec DSA-6254-1 CVE-2026-8090
debian
May 8, 2026
Multiple security issues have been found in the Mozilla Firefox web browser, which could potentially result in the execution of arbitrary code
Topics Covered
Summary
For the oldstable distribution (bookworm), these problems have been fixed
in version 140.10.2esr-1~deb12u1.
For the stable distribution (trixie), these problems have been fixed in
version 140.10.2esr-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/
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Severity
important
Lowest
Low
Medium
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Critical
Package: firefox-esr
CVE ID: CVE-2026-8090 CVE-2026-8092 CVE-2026-8094
Topics Covered
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