CVE-2011-2721
MEDIUM · CVSS 5.0EPSS 3.4%EU EUVD
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.
Key facts
- CVSS score
- 5.0 (v2.0)
- Severity
- MEDIUM
- CVSS vector
AV:N/AC:L/Au:N/C:N/I:N/A:P- Weakness (CWE)
- CWE-189
- EPSS score
- 3.4% (89th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2011-2699)
- Published
- August 5, 2011
- NVD last modified
- June 16, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2011-2699 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.
View on the EU Vulnerability DatabaseAffected products
- clamav / clamav
- clamav / clamav
- clamav / clamav
- clamav / clamav
- clamav / clamav
- clamav / clamav
- clamav / clamav
- clamav / clamav
- clamav / clamav
- clamav / clamav
- clamav / clamav
- clamav / clamav
- clamav / clamav
- clamav / clamav
- clamav / clamav
- clamav / clamav
- clamav / clamav
- clamav / clamav
- clamav / clamav
- clamav / clamav
- clamav / clamav
- clamav / clamav
- clamav / clamav
- clamav / clamav
- clamav / clamav
- clamav / clamav
- clamav / clamav
- clamav / clamav
- clamav / clamav
- clamav / clamav
- clamav / clamav
- clamav / clamav
- clamav / clamav
- clamav / clamav
- clamav / clamav
- clamav / clamav
- clamav / clamav
- clamav / clamav
- clamav / clamav
- clamav / clamav
- clamav / clamav
- clamav / clamav
- clamav / clamav
- clamav / clamav
- clamav / clamav
- clamav / clamav
- clamav / clamav
- clamav / clamav
- clamav / clamav
- clamav / clamav
and 67 more…
References
- 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/45382(Vendor 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/2011/07/26/13(Patch)
- http://www.openwall.com/lists/oss-security/2011/07/26/3(Patch)
- 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=708263(Patch)
- https://bugzilla.redhat.com/show_bug.cgi?id=725694(Patch)
- https://exchange.xforce.ibmcloud.com/vulnerabilities/68785
- https://wwws.clamav.net/bugzilla/show_bug.cgi?id=2818(Patch)
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
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