CVE-2023-50269

Squid is a caching proxy for the Web. Due to an Uncontrolled Recursion bug
in versions 2.6 through 2.7.STABLE9, versions 3.1 through 5.9, and versions
6.0.1 through 6.5, Squid may be vulnerable to a Denial of Service attack
against HTTP Request parsing. This problem allows a remote client to
perform Denial of Service attack by sending a large X-Forwarded-For header
when the follow_x_forwarded_for feature is configured. This bug is fixed by
Squid version 6.6. In addition, patches addressing this problem for the
stable releases can be found in Squid’s patch archives.

Bugs

• <http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1058721&gt;