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, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
ReferencesDSA-1843-1, DSA-1843-2
NVD severitymedium (attack range: remote)
Debian Bugs538989

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
squid (PTS)buster, sid4.2-2fixed
squid3 (PTS)jessie (security), jessie3.4.8-6+deb8u5fixed
stretch (security), stretch3.5.23-5+deb9u1fixed
sid3.5.27-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
squidsource(unstable)(not affected)
squidsourceetch(not affected)DSA-1843-1
squid3source(unstable)3.0.STABLE18-1medium538989
squid3sourcelenny3.0.STABLE8-3+lenny1mediumDSA-1843-1

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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