{"id":"CVE-2017-6418","details":"libclamav/message.c in ClamAV 0.99.2 allows remote attackers to cause a denial of service (out-of-bounds read) via a crafted e-mail message.","modified":"2026-07-08T11:36:05.539357Z","published":"2017-08-07T03:29:00.227Z","related":["SUSE-SU-2018:0254-1","SUSE-SU-2018:0255-1","openSUSE-SU-2024:10685-1"],"references":[{"type":"WEB","url":"http://www.securityfocus.com/bid/100154"},{"type":"ADVISORY","url":"https://github.com/varsleak/varsleak-vul/blob/master/clamav-vul/heap-overflow/clamav_email_crash.md"},{"type":"ADVISORY","url":"https://security.gentoo.org/glsa/201804-16"},{"type":"REPORT","url":"https://bugzilla.clamav.net/show_bug.cgi?id=11797"},{"type":"FIX","url":"https://github.com/vrtadmin/clamav-devel/commit/586a5180287262070637c8943f2f7efd652e4a2c"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/cisco-talos/clamav","events":[{"introduced":"5ceae552829ee65c9ecff8ff303b1f2ddfd11576"},{"last_affected":"5ceae552829ee65c9ecff8ff303b1f2ddfd11576"},{"fixed":"586a5180287262070637c8943f2f7efd652e4a2c"}],"database_specific":{"cpe":"cpe:2.3:a:clamav:clamav:0.99.2:*:*:*:*:*:*:*","extracted_events":[{"introduced":"0.99.2"},{"last_affected":"0.99.2"}],"source":["CPE_STRING","REFERENCES"]}}],"versions":["0.99.2","clamav-0.99.2"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2017-6418.json","vanir_signatures_modified":"2026-07-08T11:36:05Z","vanir_signatures":[{"signature_version":"v1","source":"https://github.com/cisco-talos/clamav/commit/586a5180287262070637c8943f2f7efd652e4a2c","target":{"file":"libclamav/message.c","function":"messageFindArgument"},"deprecated":false,"digest":{"function_hash":"8411924773331322618058653145915899983","length":1064},"id":"CVE-2017-6418-8e38158c","signature_type":"Function"},{"source":"https://github.com/cisco-talos/clamav/commit/586a5180287262070637c8943f2f7efd652e4a2c","target":{"file":"libclamav/message.c"},"deprecated":false,"digest":{"line_hashes":["81931090794367225593898439055161933938","167980574969179440687084582597496753902","55448340559487015224720964135014407383","38589169098278769608933629461838857826","172726005500348110301429670464002460835","36647451159828582513517242816843091264","192655131298326637061029023059490605418","163648590445410673071781345614646550543","276871485249595305150905337292995692585"],"threshold":0.9},"id":"CVE-2017-6418-9cdcd390","signature_type":"Line","signature_version":"v1"},{"source":"https://github.com/cisco-talos/clamav/commit/586a5180287262070637c8943f2f7efd652e4a2c","target":{"file":"libclamav/message.c","function":"messageAddArgument"},"deprecated":false,"digest":{"function_hash":"203584271026814593334015189844539459788","length":1512},"id":"CVE-2017-6418-ddca6c31","signature_type":"Function","signature_version":"v1"}]}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"}]}