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Alerts This Week
Warning Icon 1 494
Alerts This Week
Warning Icon 1 494

Debian 11 DLA-4582-1 Thunderbird Important Arbitrary Code Threat

debian lts
Calendar Grey May 14, 2026
Scroller Debian Lts
Multiple security issues fixed in Thunderbird for Debian 11, addressing arbitrary code execution risks. Upgrade recommended.
Multiple security issues were discovered in Thunderbird, which could result in the execution of arbitrary code
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Topics Covered

security advisory debian important arbitrary code execution thunderbird

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


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%20covered

Topics Covered

security advisory debian important arbitrary code execution thunderbird

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