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Alerts This Week
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Debian DSA-6229-1 Thunderbird Critical Code Exec Issues

debian
Calendar Grey April 24, 2026
Scroller Debian
Recent security updates for thunderbird in Debian address multiple issues that allow remote code execution. Update now!
Multiple security issues were discovered in Thunderbird, which could result in the execution of arbitrary code
Topics%20covered

Topics Covered

security advisory critical debian package update arbitrary code thunderbird

Summary

For the oldstable distribution (bookworm), these problems have been fixed
in version 1:140.10.0esr-1~deb12u1.

For the stable distribution (trixie), these problems have been fixed in
version 1:140.10.0esr-1~deb13u1.

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 Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/



Severity
critical
Lowest
Low
Medium
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Critical

Package: thunderbird
CVE ID: CVE-2026-6746 CVE-2026-6747 CVE-2026-6748 CVE-2026-6749

Topics%20covered

Topics Covered

security advisory critical debian package update arbitrary code thunderbird

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