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Debian 11 bullseye DLA-4212-1 moderate: modsecurity-apache DoS fix

debian lts
Calendar Grey June 9, 2025
Dist Debian Esm H88
Mitigate the Denial of Service (DoS) vulnerability in the modsecurity-apache package for Debian 11 by applying the latest updates to enhance web security
DoS with sanitiseArg/sanitizeArg has been fixed in modsecurity-apache, a module for the Apache webserver to tighten Web application security

Summary

For Debian 11 bullseye, this problem has been fixed in version
2.9.3-3+deb11u4.

We recommend that you upgrade your modsecurity-apache packages.

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

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


Package: modsecurity-apache
Version: 2.9.3-3+deb11u4
CVE ID: CVE-2025-48866
Debian Bug: 1107196

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