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Alerts This Week
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Debian 11 Thunderbird Important Exec Code Threat DLA-4562-1 CVE-2026-7320

debian lts
Calendar Grey May 4, 2026
Dist Debian Esm H88
Debian LTS DLA-4562-1 addresses critical security issues in Thunderbird, ensuring system integrity.
Multiple security issues were discovered in Thunderbird, which could result in the execution of arbitrary code
Topics%20covered

Topics Covered

security advisory security issue debian important thunderbird execution code

Summary

For Debian 11 bullseye, these problems have been fixed in version
1:140.10.1esr-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: 1:140.10.1esr-1~deb11u1
CVE ID: CVE-2026-7320 CVE-2026-7321 CVE-2026-7322 CVE-2026-7323

Topics%20covered

Topics Covered

security advisory security issue debian important thunderbird execution code

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