CVE-2011-2721

N/A Unknown
Published: August 05, 2011 Modified: April 29, 2026
View on NVD

Description

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.

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References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://git.clamav.net/gitweb?p=clamav-devel.git%3Ba=blob_plain%3Bf=ChangeLog%3Bhb=clamav-0.97.2
Source: secalert@redhat.com
http://git.clamav.net/gitweb?p=clamav-devel.git%3Ba=commit%3Bh=4842733eb3f09be61caeed83778bb6679141dbc5
Source: secalert@redhat.com
http://lists.fedoraproject.org/pipermail/package-announce/2011-November/068940.html
Source: secalert@redhat.com
http://lists.fedoraproject.org/pipermail/package-announce/2011-November/068941.html
Source: secalert@redhat.com
http://lists.fedoraproject.org/pipermail/package-announce/2011-November/068942.html
Source: secalert@redhat.com
http://secunia.com/advisories/45382
Source: secalert@redhat.com
Vendor Advisory
http://secunia.com/advisories/46717
Source: secalert@redhat.com
http://securitytracker.com/id?1025858
Source: secalert@redhat.com
http://www.mandriva.com/security/advisories?name=MDVSA-2011:122
Source: secalert@redhat.com
http://www.openwall.com/lists/oss-security/2011/07/26/13
Source: secalert@redhat.com
Patch
http://www.openwall.com/lists/oss-security/2011/07/26/3
Source: secalert@redhat.com
Patch
http://www.osvdb.org/74181
Source: secalert@redhat.com
http://www.securityfocus.com/bid/48891
Source: secalert@redhat.com
http://www.ubuntu.com/usn/USN-1179-1
Source: secalert@redhat.com
https://bugzilla.novell.com/show_bug.cgi?id=708263
Source: secalert@redhat.com
Patch
https://bugzilla.redhat.com/show_bug.cgi?id=725694
Source: secalert@redhat.com
Patch
https://exchange.xforce.ibmcloud.com/vulnerabilities/68785
Source: secalert@redhat.com
https://wwws.clamav.net/bugzilla/show_bug.cgi?id=2818
Source: secalert@redhat.com
Patch
http://git.clamav.net/gitweb?p=clamav-devel.git%3Ba=blob_plain%3Bf=ChangeLog%3Bhb=clamav-0.97.2
Source: af854a3a-2127-422b-91ae-364da2661108
http://git.clamav.net/gitweb?p=clamav-devel.git%3Ba=commit%3Bh=4842733eb3f09be61caeed83778bb6679141dbc5
Source: af854a3a-2127-422b-91ae-364da2661108
http://lists.fedoraproject.org/pipermail/package-announce/2011-November/068940.html
Source: af854a3a-2127-422b-91ae-364da2661108
http://lists.fedoraproject.org/pipermail/package-announce/2011-November/068941.html
Source: af854a3a-2127-422b-91ae-364da2661108
http://lists.fedoraproject.org/pipermail/package-announce/2011-November/068942.html
Source: af854a3a-2127-422b-91ae-364da2661108
http://secunia.com/advisories/45382
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
http://secunia.com/advisories/46717
Source: af854a3a-2127-422b-91ae-364da2661108
http://securitytracker.com/id?1025858
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.mandriva.com/security/advisories?name=MDVSA-2011:122
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.openwall.com/lists/oss-security/2011/07/26/13
Source: af854a3a-2127-422b-91ae-364da2661108
Patch
http://www.openwall.com/lists/oss-security/2011/07/26/3
Source: af854a3a-2127-422b-91ae-364da2661108
Patch
http://www.osvdb.org/74181
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.securityfocus.com/bid/48891
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.ubuntu.com/usn/USN-1179-1
Source: af854a3a-2127-422b-91ae-364da2661108
https://bugzilla.novell.com/show_bug.cgi?id=708263
Source: af854a3a-2127-422b-91ae-364da2661108
Patch
https://bugzilla.redhat.com/show_bug.cgi?id=725694
Source: af854a3a-2127-422b-91ae-364da2661108
Patch
https://exchange.xforce.ibmcloud.com/vulnerabilities/68785
Source: af854a3a-2127-422b-91ae-364da2661108
https://wwws.clamav.net/bugzilla/show_bug.cgi?id=2818
Source: af854a3a-2127-422b-91ae-364da2661108
Patch

36 reference(s) from NVD

Quick Stats

CVSS v3 Score
N/A / 10.0
EPSS (Exploit Probability)
3.4%
87th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

CWE-189

Affected Vendors

clamav

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