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Debian LTS Thunderbird Critical Code Execution Risks Fixed DLA-4775

Debian LTS Thunderbird Critical Code Execution Risks Fixed DLA-4775

Linuxsecurity •LinuxSecurity Advisories • September 7, 2026

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For Debian 12 bookworm, these problems have been fixed in version 1:140.15.0esr-1~deb12u1. We recommend that you upgrade your thunderbird packages. For the detailed security status of thunderbird please refer to its security tracker page at: Further information Debian LTS security advisories, how to apply these updates to your system and frequently asked questions can be found at:

For Debian 12 bookworm, these problems have been fixed in version 1:140.15.0esr-1~deb12u1. We recommend that you upgrade your thunderbird packages. For the detailed security status of thunderbird please refer to its security tracker page at: Further information Debian LTS security advisories, how to apply these updates to your system and frequently asked questions can be found at:

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