{"id":"UBUNTU-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":"2026-04-22T12:26:12.704075Z","published":"2017-08-06T00:00:00Z","related":["USN-3393-1","USN-3393-2"],"upstream":["CVE-2017-6418"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2017-6418"},{"type":"REPORT","url":"https://github.com/varsleak/varsleak-vul/blob/master/clamav-vul/heap-overflow/clamav_email_crash.md"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-3393-1"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-3393-2"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2017-6418"}],"affected":[{"package":{"name":"clamav","ecosystem":"Ubuntu:14.04:LTS","purl":"pkg:deb/ubuntu/clamav@0.99.2+addedllvm-0ubuntu0.14.04.2?arch=source&distro=trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.99.2+addedllvm-0ubuntu0.14.04.2"}]}],"versions":["0.97.8+dfsg-1ubuntu4","0.97.8+dfsg-1ubuntu5","0.98.1+dfsg-1ubuntu4","0.98.1+dfsg-1ubuntu5","0.98.1+dfsg-2ubuntu2","0.98.1+dfsg-4ubuntu1","0.98.1+dfsg-4ubuntu1.1","0.98.5+addedllvm-0ubuntu0.14.04.1","0.98.6+dfsg-0ubuntu0.14.04.1","0.98.7+dfsg-0ubuntu0.14.04.1","0.99.2+addedllvm-0ubuntu0.14.04.1"],"ecosystem_specific":{"binaries":[{"binary_name":"clamav","binary_version":"0.99.2+addedllvm-0ubuntu0.14.04.2"},{"binary_name":"clamav-base","binary_version":"0.99.2+addedllvm-0ubuntu0.14.04.2"},{"binary_name":"clamav-daemon","binary_version":"0.99.2+addedllvm-0ubuntu0.14.04.2"},{"binary_name":"clamav-docs","binary_version":"0.99.2+addedllvm-0ubuntu0.14.04.2"},{"binary_name":"clamav-freshclam","binary_version":"0.99.2+addedllvm-0ubuntu0.14.04.2"},{"binary_name":"clamav-milter","binary_version":"0.99.2+addedllvm-0ubuntu0.14.04.2"},{"binary_name":"clamav-testfiles","binary_version":"0.99.2+addedllvm-0ubuntu0.14.04.2"},{"binary_name":"libclamav7","binary_version":"0.99.2+addedllvm-0ubuntu0.14.04.2"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2017/UBUNTU-CVE-2017-6418.json"}},{"package":{"name":"clamav","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/clamav@0.99.2+dfsg-0ubuntu0.16.04.2?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.99.2+dfsg-0ubuntu0.16.04.2"}]}],"versions":["0.98.7+dfsg-0ubuntu4","0.98.7+dfsg-0ubuntu5","0.99+dfsg-1ubuntu1","0.99+dfsg-1ubuntu1.1","0.99+dfsg-1ubuntu1.2","0.99.2+dfsg-0ubuntu0.16.04.1"],"ecosystem_specific":{"binaries":[{"binary_name":"clamav","binary_version":"0.99.2+dfsg-0ubuntu0.16.04.2"},{"binary_name":"clamav-base","binary_version":"0.99.2+dfsg-0ubuntu0.16.04.2"},{"binary_name":"clamav-daemon","binary_version":"0.99.2+dfsg-0ubuntu0.16.04.2"},{"binary_name":"clamav-docs","binary_version":"0.99.2+dfsg-0ubuntu0.16.04.2"},{"binary_name":"clamav-freshclam","binary_version":"0.99.2+dfsg-0ubuntu0.16.04.2"},{"binary_name":"clamav-milter","binary_version":"0.99.2+dfsg-0ubuntu0.16.04.2"},{"binary_name":"clamav-testfiles","binary_version":"0.99.2+dfsg-0ubuntu0.16.04.2"},{"binary_name":"clamdscan","binary_version":"0.99.2+dfsg-0ubuntu0.16.04.2"},{"binary_name":"libclamav7","binary_version":"0.99.2+dfsg-0ubuntu0.16.04.2"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2017/UBUNTU-CVE-2017-6418.json"}}],"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"},{"type":"Ubuntu","score":"medium"}]}