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Alerts This Week
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Debian 11 bullseye DLA-4194-1 critical: thunderbird remote code execution

debian lts
Calendar Grey May 30, 2025
Dist Debian Esm H88
Multiple security flaws identified in Thunderbird for Debian 11 bullseye resolved; users advised to upgrade to mitigate potential problems.
Multiple security issues were discovered in Thunderbird, which could result in the execution of arbitrary code or information disclosure
Topics%20covered

Topics Covered

security advisory critical debian arbitrary code information disclosure thunderbird

Summary

For Debian 11 bullseye, these problems have been fixed in version
1:128.11.0esr-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/source-package/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
critical
Lowest
Low
Medium
High
Critical

Package: thunderbird
Version: 1:128.11.0esr-1~deb11u1
CVE ID: CVE-2025-4918 CVE-2025-4919 CVE-2025-5263 CVE-2025-5264

Topics%20covered

Topics Covered

security advisory critical debian arbitrary code information disclosure thunderbird

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