CVE-2024-25111

Name	CVE-2024-25111
Description	Squid is a web proxy cache. Starting in version 3.5.27 and prior to version 6.8, Squid may be vulnerable to a Denial of Service attack against HTTP Chunked decoder due to an uncontrolled recursion bug. This problem allows a remote attacker to cause Denial of Service when sending a crafted, chunked, encoded HTTP Message. This bug is fixed in Squid version 6.8. In addition, patches addressing this problem for the stable releases can be found in Squid's patch archives. There is no workaround for this issue.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
squid (PTS)	bullseye (security), bullseye	4.13-10+deb11u3	vulnerable
	bookworm, bookworm (security)	5.7-2+deb12u2	fixed
	sid, trixie	6.12-1	fixed

The information below is based on the following data on fixed versions.

Package	Type	Release	Fixed Version
squid	source	bookworm	5.7-2+deb12u1
squid	source	(unstable)	6.8-1
squid3	source	(unstable)	(unfixed)

Notes

https://lists.squid-cache.org/pipermail/squid-announce/2024-March/000165.html
https://github.com/squid-cache/squid/security/advisories/GHSA-72c2-c3wm-8qxc
https://github.com/squid-cache/squid/pull/1553
https://github.com/squid-cache/squid/commit/50c5af88bd74208103722f87593a974bb0f0b8e9 (master)
https://github.com/squid-cache/squid/commit/4658d0fc049738c2e6cd25fc0af10e820cf4c11a (v6)