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"B8E8FB2F-8080-4E5C-8BE8-3289717A5C8B", "vulnerable": true}, {"criteria": "cpe:2.3:a:clamav:clamav:0.96.3:*:*:*:*:*:*:*", "matchCriteriaId": "7829A6CE-0FD2-4F49-951D-27598C32B026", "vulnerable": true}, {"criteria": "cpe:2.3:a:clamav:clamav:0.96.4:*:*:*:*:*:*:*", "matchCriteriaId": "953C363B-AD5B-4C53-AAF0-AB6BA4040D74", "vulnerable": true}, {"criteria": "cpe:2.3:a:clamav:clamav:0.96.5:*:*:*:*:*:*:*", "matchCriteriaId": "46B894DD-4E46-445D-8907-BD2B01B9672D", "vulnerable": true}, {"criteria": "cpe:2.3:a:clamav:clamav:0.97:*:*:*:*:*:*:*", "matchCriteriaId": "97DC1A6E-1635-4A05-93F9-B9344C1B1D62", "vulnerable": true}, {"criteria": "cpe:2.3:a:clamav:clamav:0.97:rc:*:*:*:*:*:*", "matchCriteriaId": "B7B62305-E285-4471-9D75-64421751E370", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "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."}, {"lang": "es", "value": "Error \"off-by-one\" (desbordamiento en un elemento del array) en la funci\u00f3n cli_hm_scan de matcher-hash.c de libclamav de ClamAV en versiones anteriores a la 0.97.2 permite a atacantes remotos provocar una denegaci\u00f3n de servicio (ca\u00edda del demonio) a trav\u00e9s de un correo electr\u00f3nico que no es apropiadamente manejado durante determinados c\u00e1lculos de hash."}], "id": "CVE-2011-2721", "lastModified": "2026-04-29T01:13:23.040", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 5.0, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}]}, "published": "2011-08-05T21:55:08.843", "references": [{"source": "secalert@redhat.com", "url": "http://git.clamav.net/gitweb?p=clamav-devel.git%3Ba=blob_plain%3Bf=ChangeLog%3Bhb=clamav-0.97.2"}, {"source": "secalert@redhat.com", "url": "http://git.clamav.net/gitweb?p=clamav-devel.git%3Ba=commit%3Bh=4842733eb3f09be61caeed83778bb6679141dbc5"}, {"source": "secalert@redhat.com", "url": "http://lists.fedoraproject.org/pipermail/package-announce/2011-November/068940.html"}, {"source": "secalert@redhat.com", "url": "http://lists.fedoraproject.org/pipermail/package-announce/2011-November/068941.html"}, {"source": "secalert@redhat.com", "url": "http://lists.fedoraproject.org/pipermail/package-announce/2011-November/068942.html"}, {"source": "secalert@redhat.com", "tags": ["Vendor Advisory"], "url": "http://secunia.com/advisories/45382"}, {"source": "secalert@redhat.com", "url": "http://secunia.com/advisories/46717"}, {"source": "secalert@redhat.com", "url": "http://securitytracker.com/id?1025858"}, {"source": "secalert@redhat.com", "url": "http://www.mandriva.com/security/advisories?name=MDVSA-2011:122"}, {"source": "secalert@redhat.com", "tags": ["Patch"], "url": "http://www.openwall.com/lists/oss-security/2011/07/26/13"}, {"source": "secalert@redhat.com", "tags": ["Patch"], "url": "http://www.openwall.com/lists/oss-security/2011/07/26/3"}, {"source": "secalert@redhat.com", "url": "http://www.osvdb.org/74181"}, {"source": "secalert@redhat.com", "url": "http://www.securityfocus.com/bid/48891"}, {"source": "secalert@redhat.com", "url": "http://www.ubuntu.com/usn/USN-1179-1"}, {"source": "secalert@redhat.com", "tags": ["Patch"], "url": "https://bugzilla.novell.com/show_bug.cgi?id=708263"}, {"source": "secalert@redhat.com", "tags": ["Patch"], "url": 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"http://lists.fedoraproject.org/pipermail/package-announce/2011-November/068942.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "http://secunia.com/advisories/45382"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://secunia.com/advisories/46717"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://securitytracker.com/id?1025858"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.mandriva.com/security/advisories?name=MDVSA-2011:122"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "http://www.openwall.com/lists/oss-security/2011/07/26/13"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "http://www.openwall.com/lists/oss-security/2011/07/26/3"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.osvdb.org/74181"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.securityfocus.com/bid/48891"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.ubuntu.com/usn/USN-1179-1"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://bugzilla.novell.com/show_bug.cgi?id=708263"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=725694"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/68785"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://wwws.clamav.net/bugzilla/show_bug.cgi?id=2818"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-189"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{}

{}