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Debian 11 phpunit Remote Code Execution Risk DLA-4470-1 CVE-2026-24765

debian lts
Calendar Grey February 6, 2026
Dist Debian Esm H88
Upgrade phpunit in Debian LTS to fix remote code execution risk due to unsafe deserialization in code coverage.
PHPUnit is a testing framework for PHP

Summary

For Debian 11 bullseye, this problem has been fixed in version
9.5.2-1+deb11u1.

We recommend that you upgrade your phpunit packages.

For the detailed security status of phpunit please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/source-package/phpunit

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
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Critical

Package: phpunit
Version: 9.5.2-1+deb11u1
CVE ID: CVE-2026-24765

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