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Debian Security Advisory DSA-5102-1                   security@debian.org
https://www.debian.org/security/                     Salvatore Bonaccorso
March 13, 2022                        https://www.debian.org/security/faq
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Package        : haproxy
CVE ID         : CVE-2022-0711

A flaw was discovered in the way HAProxy, a fast and reliable load
balancing reverse proxy, processes HTTP responses containing the
"Set-Cookie2" header, which can result in an unbounded loop, causing a
denial of service.

For the stable distribution (bullseye), this problem has been fixed in
version 2.2.9-2+deb11u3.

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/

Mailing list: debian-security-announce@lists.debian.org

Debian: DSA-5102-1: haproxy security update

March 13, 2022
A flaw was discovered in the way HAProxy, a fast and reliable load balancing reverse proxy, processes HTTP responses containing the "Set-Cookie2" header, which can result in an unb...

Summary

For the stable distribution (bullseye), this problem has been fixed in
version 2.2.9-2+deb11u3.

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/

Mailing list: debian-security-announce@lists.debian.org

Severity
A flaw was discovered in the way HAProxy, a fast and reliable load
balancing reverse proxy, processes HTTP responses containing the
"Set-Cookie2" header, which can result in an unbounded loop, causing a
denial of service.

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