CVE-2011-2721

Off-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.

• CWE-189

• http://git.clamav.net/gitweb?p=clamav-devel.git%3Ba=blob_plain%3Bf=ChangeLog%3Bhb=clamav-0.97.2
• http://git.clamav.net/gitweb?p=clamav-devel.git%3Ba=commit%3Bh=4842733eb3f09be61caeed83778bb6679141dbc5
• http://lists.fedoraproject.org/pipermail/package-announce/2011-November/068940.html
• http://lists.fedoraproject.org/pipermail/package-announce/2011-November/068941.html
• http://lists.fedoraproject.org/pipermail/package-announce/2011-November/068942.html
• http://secunia.com/advisories/45382Vendor Advisory
• http://secunia.com/advisories/46717
• http://securitytracker.com/id?1025858
• http://www.mandriva.com/security/advisories?name=MDVSA-2011:122
• http://www.openwall.com/lists/oss-security/2011/07/26/13Patch
• http://www.openwall.com/lists/oss-security/2011/07/26/3Patch
• http://www.osvdb.org/74181
• http://www.securityfocus.com/bid/48891
• http://www.ubuntu.com/usn/USN-1179-1
• https://bugzilla.novell.com/show_bug.cgi?id=708263Patch
• https://bugzilla.redhat.com/show_bug.cgi?id=725694Patch
• https://exchange.xforce.ibmcloud.com/vulnerabilities/68785
• https://wwws.clamav.net/bugzilla/show_bug.cgi?id=2818Patch
• http://git.clamav.net/gitweb?p=clamav-devel.git%3Ba=blob_plain%3Bf=ChangeLog%3Bhb=clamav-0.97.2
• http://git.clamav.net/gitweb?p=clamav-devel.git%3Ba=commit%3Bh=4842733eb3f09be61caeed83778bb6679141dbc5
• http://lists.fedoraproject.org/pipermail/package-announce/2011-November/068940.html
• http://lists.fedoraproject.org/pipermail/package-announce/2011-November/068941.html
• http://lists.fedoraproject.org/pipermail/package-announce/2011-November/068942.html
• http://secunia.com/advisories/45382Vendor Advisory
• http://secunia.com/advisories/46717
• http://securitytracker.com/id?1025858
• http://www.mandriva.com/security/advisories?name=MDVSA-2011:122
• http://www.openwall.com/lists/oss-security/2011/07/26/13Patch
• http://www.openwall.com/lists/oss-security/2011/07/26/3Patch
• http://www.osvdb.org/74181
• http://www.securityfocus.com/bid/48891
• http://www.ubuntu.com/usn/USN-1179-1
• https://bugzilla.novell.com/show_bug.cgi?id=708263Patch
• https://bugzilla.redhat.com/show_bug.cgi?id=725694Patch
• https://exchange.xforce.ibmcloud.com/vulnerabilities/68785
• https://wwws.clamav.net/bugzilla/show_bug.cgi?id=2818Patch

Published

Aug 5, 2011

Last Modified

Jun 16, 2026

Status

Modified

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