CVE-2011-2721

NameCVE-2011-2721
DescriptionOff-by-one error in the cli_hm_scan function in matcher-hash.c in libclamav in ClamAV before 0.97.2 allows remote attackers to cause a denial of service (daemon crash) via an e-mail message that is not properly handled during certain hash calculations.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
Debian Bugs635599

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
clamav (PTS)jessie, jessie (lts)0.103.9+dfsg-0+deb8u1fixed
stretch (security)0.103.6+dfsg-0+deb9u1fixed
stretch (lts), stretch0.103.9+dfsg-0+deb9u1fixed
buster (security), buster, buster (lts)0.103.9+dfsg-0+deb10u1fixed
bullseye0.103.10+dfsg-0+deb11u1fixed
bookworm1.0.7+dfsg-1~deb12u1fixed
sid, trixie1.4.1+dfsg-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
clamavsourcesqueeze0.97.2+dfsg-1~squeeze1
clamavsource(unstable)0.97.2+dfsg-1635599

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