{"action":"Upgrade clamav to 0.97.2+dfsg-1 or later.","affected":[{"fixed":"0.97.2+dfsg-1","introduced":"0"}],"component":"clamav","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["0.97.2+dfsg-1"],"id":"tcs_01M5N9T99MZJ6JG7Z95CQ5CEQQ","modified_at":"2026-10-23T17:47:25.756583357Z","published_at":"2011-08-05T21:55:08.843Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2011-2721","https://security-tracker.debian.org/tracker/CVE-2011-2721"],"severity":{"label":"unknown"},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2011-2721#Debian:13/clamav","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2011-2721"}],"summary":"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 no"}