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Debian 11 Bullseye: DLA-4135-1 critical: HAProxy buffer overflow

debian lts
Calendar Grey April 23, 2025
Dist Debian Esm H88
Critical heap buffer overflow vulnerability in HAProxy patched for Debian 11 bullseye via security update DLA-4135-1. Update immediately!
A heap buffer overflow in sample_conv_regsub() has been fixed in the load balancing reverse proxy HAProxy

Summary

For Debian 11 bullseye, this problem has been fixed in version
2.2.9-2+deb11u7.

We recommend that you upgrade your haproxy packages.

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

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: haproxy
Version: 2.2.9-2+deb11u7
CVE ID: CVE-2025-32464
Debian Bug: 1102673

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