Debian: DSA-4960-1: haproxy security update
Summary
Known workarounds are to disable HTTP/2 and set
"tune.h2.max-concurrent-streams" to 0 in the "global" section.
global
tune.h2.max-concurrent-streams 0
For the stable distribution (bullseye), these problems have been fixed in
version 2.2.9-2+deb11u1.
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 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