A haproxy security update has been released for Debian GNU/Linux 11 to address two vulnerabilities that may result in denial of service, or bypass of access controls and routing rules via specially crafted
requests.

DSA 5348-1: haproxy security update

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Debian Security Advisory DSA-5348-1 security@debian.org
  https://www.debian.org/security/ Salvatore Bonaccorso
February 14, 2023   https://www.debian.org/security/faq
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Package : haproxy
CVE ID : CVE-2023-0056 CVE-2023-25725

Two vulnerabilities were discovered in HAProxy, a fast and reliable load
balancing reverse proxy, which may result in denial of service, or
bypass of access controls and routing rules via specially crafted
requests.

For the stable distribution (bullseye), these problems have been fixed in
version 2.2.9-2+deb11u4.

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/haproxy

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at:   https://www.debian.org/security/