CVE-2009-2621

Name	CVE-2009-2621
Description	Squid 3.0 through 3.0.STABLE16 and 3.1 through 3.1.0.11 does not properly enforce "buffer limits and related bound checks," which allows remote attackers to cause a denial of service via (1) an incomplete request or (2) a request with a large header size, related to (a) HttpMsg.cc and (b) client_side.cc.
Source	CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
References	DSA-1843-1, DSA-1843-2
Debian Bugs	538989

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
squid (PTS)	bullseye	4.13-10+deb11u3	fixed
	bullseye (security)	4.13-10+deb11u6	fixed
	bookworm	5.7-2+deb12u3	fixed
	bookworm (security)	5.7-2+deb12u4	fixed
	trixie	6.13-2	fixed
	trixie (security)	6.13-2+deb13u1	fixed
	forky, sid	7.2-2	fixed

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

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
squid	source	etch	(not affected)		DSA-1843-1
squid	source	(unstable)	(not affected)
squid3	source	lenny	3.0.STABLE8-3+lenny1		DSA-1843-1
squid3	source	(unstable)	3.0.STABLE18-1	medium		538989

- squid <not-affected> (see NOTE)
squid 2.x not affected, according to
http://www.squid-cache.org/Advisories/SQUID-2009_2.txt