Debian 11 DLA-4582-1 Thunderbird Important Arbitrary Code Threat
debian lts
May 14, 2026
Multiple security issues were discovered in Thunderbird, which could result in the execution of arbitrary code
Topics Covered
Summary
For Debian 11 bullseye, these problems have been fixed in version
1:140.10.2esr-1~deb11u1.
We recommend that you upgrade your thunderbird packages.
For the detailed security status of thunderbird please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/thunderbird
Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://wiki.debian.org/LTS
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Severity
important
Lowest
Low
Medium
High
Critical
Package: thunderbird
Version: 1:140.10.2esr-1~deb11u1
CVE ID: CVE-2026-8090 CVE-2026-8092 CVE-2026-8094
Topics Covered
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