CVE-2009-2621

NameCVE-2009-2621
DescriptionSquid 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.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDSA-1843-1, DSA-1843-2
Debian Bugs538989

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
squid (PTS)buster4.6-1+deb10u7fixed
buster (security)4.6-1+deb10u10fixed
bullseye4.13-10+deb11u2fixed
bullseye (security)4.13-10+deb11u3fixed
bookworm5.7-2fixed
bookworm (security)5.7-2+deb12u1fixed
trixie6.6-1fixed
sid6.8-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
squidsourceetch(not affected)DSA-1843-1
squidsource(unstable)(not affected)
squid3sourcelenny3.0.STABLE8-3+lenny1DSA-1843-1
squid3source(unstable)3.0.STABLE18-1medium538989

Notes

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

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