Debian DSA-6267-1 Thunderbird Important Arbitrary Code Execution
debian
May 14, 2026
Multiple security issues were discovered in Thunderbird, which could result in the execution of arbitrary code
Topics Covered
Summary
For the oldstable distribution (bookworm), these problems have been fixed
in version 1:140.10.2esr-1~deb12u1.
For the stable distribution (trixie), these problems have been fixed in
version 1:140.10.2esr-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/
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Severity
important
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Low
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Critical
Package: thunderbird
CVE ID: CVE-2026-8090 CVE-2026-8092 CVE-2026-8094
Topics Covered
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