{"id":"USN-4918-3","summary":"clamav regression","details":"USN-4918-1 fixed vulnerabilities in ClamAV. The updated package could\nfail to properly scan in some situations. This update fixes\nthe problem.\n\nOriginal advisory details:\n\n It was discovered that ClamAV incorrectly handled parsing Excel documents.\n A remote attacker could possibly use this issue to cause ClamAV to hang,\n resulting in a denial of service. (CVE-2021-1252)\n\n It was discovered that ClamAV incorrectly handled parsing PDF documents. A\n remote attacker could possibly use this issue to cause ClamAV to crash,\n resulting in a denial of service. (CVE-2021-1404)\n\n It was discovered that ClamAV incorrectly handled parsing email. A remote\n attacker could possibly use this issue to cause ClamAV to crash, resulting\n in a denial of service. (CVE-2021-1405)\n","modified":"2026-05-20T16:03:07.410386959Z","published":"2021-05-03T22:20:06Z","related":["UBUNTU-CVE-2021-1252","UBUNTU-CVE-2021-1404","UBUNTU-CVE-2021-1405"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-4918-3"},{"type":"REPORT","url":"https://launchpad.net/bugs/1926300"}],"affected":[{"package":{"name":"clamav","ecosystem":"Ubuntu:Pro:14.04:LTS","purl":"pkg:deb/ubuntu/clamav?arch=source&distro=trusty%2Fesm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.103.2+dfsg-0ubuntu0.14.04.1+esm2"}]}],"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","0.99.2+addedllvm-0ubuntu0.14.04.2","0.99.3+addedllvm-0ubuntu0.14.04.1","0.99.4+addedllvm-0ubuntu0.14.04.1","0.100.1+dfsg-1ubuntu0.14.04.1","0.100.1+dfsg-1ubuntu0.14.04.2","0.100.1+dfsg-1ubuntu0.14.04.3","0.100.1+dfsg-1ubuntu0.14.04.4","0.100.2+dfsg-1ubuntu0.14.04.1","0.100.2+dfsg-1ubuntu0.14.04.2","0.100.3+dfsg-0ubuntu0.14.04.1","0.100.3+dfsg-0ubuntu0.14.04.1+esm1","0.101.4+dfsg-0ubuntu0.14.04.1+esm1","0.102.1+dfsg-0ubuntu0.14.04.1+esm1","0.102.2+dfsg-0ubuntu0.14.04.1+esm1","0.102.3+dfsg-0ubuntu0.14.04.1+esm1","0.102.4+dfsg-0ubuntu0.14.04.1+esm1","0.103.2+dfsg-0ubuntu0.14.04.1+esm1"],"ecosystem_specific":{"binaries":[{"binary_version":"0.103.2+dfsg-0ubuntu0.14.04.1+esm2","binary_name":"clamav"},{"binary_version":"0.103.2+dfsg-0ubuntu0.14.04.1+esm2","binary_name":"clamav-base"},{"binary_version":"0.103.2+dfsg-0ubuntu0.14.04.1+esm2","binary_name":"clamav-daemon"},{"binary_version":"0.103.2+dfsg-0ubuntu0.14.04.1+esm2","binary_name":"clamav-docs"},{"binary_version":"0.103.2+dfsg-0ubuntu0.14.04.1+esm2","binary_name":"clamav-freshclam"},{"binary_version":"0.103.2+dfsg-0ubuntu0.14.04.1+esm2","binary_name":"clamav-milter"},{"binary_version":"0.103.2+dfsg-0ubuntu0.14.04.1+esm2","binary_name":"clamav-testfiles"},{"binary_version":"0.103.2+dfsg-0ubuntu0.14.04.1+esm2","binary_name":"libclamav9"}],"availability":"Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"},"database_specific":{"cves_map":{"cves":[],"ecosystem":"Ubuntu:Pro:14.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4918-3.json"}},{"package":{"name":"clamav","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/clamav?arch=source&distro=esm-apps%2Fxenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.103.2+dfsg-0ubuntu0.16.04.1+esm1"}]}],"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","0.99.2+dfsg-0ubuntu0.16.04.2","0.99.2+dfsg-0ubuntu0.16.04.3","0.99.3+addedllvm-0ubuntu0.16.04.1","0.99.4+addedllvm-0ubuntu0.16.04.1","0.100.1+dfsg-1ubuntu0.16.04.1","0.100.1+dfsg-1ubuntu0.16.04.2","0.100.1+dfsg-1ubuntu0.16.04.3","0.100.2+dfsg-1ubuntu0.16.04.1","0.100.3+dfsg-0ubuntu0.16.04.1","0.101.4+dfsg-0ubuntu0.16.04.1","0.102.1+dfsg-0ubuntu0.16.04.2","0.102.2+dfsg-0ubuntu0.16.04.1","0.102.3+dfsg-0ubuntu0.16.04.1","0.102.4+dfsg-0ubuntu0.16.04.1","0.103.2+dfsg-0ubuntu0.16.04.1"],"ecosystem_specific":{"binaries":[{"binary_version":"0.103.2+dfsg-0ubuntu0.16.04.1+esm1","binary_name":"clamav-testfiles"},{"binary_version":"0.103.2+dfsg-0ubuntu0.16.04.1+esm1","binary_name":"clamav-base"},{"binary_version":"0.103.2+dfsg-0ubuntu0.16.04.1+esm1","binary_name":"clamav"},{"binary_version":"0.103.2+dfsg-0ubuntu0.16.04.1+esm1","binary_name":"clamav-daemon"},{"binary_version":"0.103.2+dfsg-0ubuntu0.16.04.1+esm1","binary_name":"clamav-milter"},{"binary_version":"0.103.2+dfsg-0ubuntu0.16.04.1+esm1","binary_name":"clamav-docs"},{"binary_version":"0.103.2+dfsg-0ubuntu0.16.04.1+esm1","binary_name":"clamav-freshclam"},{"binary_version":"0.103.2+dfsg-0ubuntu0.16.04.1+esm1","binary_name":"libclamav9"},{"binary_version":"0.103.2+dfsg-0ubuntu0.16.04.1+esm1","binary_name":"clamdscan"}],"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro"},"database_specific":{"cves_map":{"cves":[],"ecosystem":"Ubuntu:Pro:16.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4918-3.json"}},{"package":{"name":"clamav","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/clamav?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.103.2+dfsg-0ubuntu0.18.04.2"}]}],"versions":["0.99.2+dfsg-6ubuntu2","0.99.3~beta1+dfsg-2ubuntu1","0.99.3~beta1+dfsg-2ubuntu2","0.99.3+addedllvm-0ubuntu1","0.99.3+addedllvm-0ubuntu2","0.99.4+addedllvm-0ubuntu1","0.100.1+dfsg-1ubuntu0.18.04.1","0.100.1+dfsg-1ubuntu0.18.04.2","0.100.1+dfsg-1ubuntu0.18.04.3","0.100.2+dfsg-1ubuntu0.18.04.1","0.100.3+dfsg-0ubuntu0.18.04.1","0.101.4+dfsg-0ubuntu0.18.04.1","0.102.1+dfsg-0ubuntu0.18.04.2","0.102.2+dfsg-0ubuntu0.18.04.1","0.102.3+dfsg-0ubuntu0.18.04.1","0.102.4+dfsg-0ubuntu0.18.04.1","0.103.2+dfsg-0ubuntu0.18.04.1"],"ecosystem_specific":{"binaries":[{"binary_version":"0.103.2+dfsg-0ubuntu0.18.04.2","binary_name":"clamav"},{"binary_version":"0.103.2+dfsg-0ubuntu0.18.04.2","binary_name":"clamav-base"},{"binary_version":"0.103.2+dfsg-0ubuntu0.18.04.2","binary_name":"clamav-daemon"},{"binary_version":"0.103.2+dfsg-0ubuntu0.18.04.2","binary_name":"clamav-docs"},{"binary_version":"0.103.2+dfsg-0ubuntu0.18.04.2","binary_name":"clamav-freshclam"},{"binary_version":"0.103.2+dfsg-0ubuntu0.18.04.2","binary_name":"clamav-milter"},{"binary_version":"0.103.2+dfsg-0ubuntu0.18.04.2","binary_name":"clamav-testfiles"},{"binary_version":"0.103.2+dfsg-0ubuntu0.18.04.2","binary_name":"clamdscan"},{"binary_version":"0.103.2+dfsg-0ubuntu0.18.04.2","binary_name":"libclamav9"}],"availability":"No subscription required"},"database_specific":{"cves_map":{"cves":[],"ecosystem":"Ubuntu:18.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4918-3.json"}},{"package":{"name":"clamav","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/clamav?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.103.2+dfsg-0ubuntu0.20.04.2"}]}],"versions":["0.101.4+dfsg-1ubuntu1","0.102.1+dfsg-1ubuntu1","0.102.1+dfsg-2ubuntu1","0.102.1+dfsg-2ubuntu2","0.102.2+dfsg-1ubuntu1","0.102.2+dfsg-2ubuntu1","0.102.3+dfsg-0ubuntu0.20.04.1","0.102.4+dfsg-0ubuntu0.20.04.1","0.103.2+dfsg-0ubuntu0.20.04.1"],"ecosystem_specific":{"binaries":[{"binary_version":"0.103.2+dfsg-0ubuntu0.20.04.2","binary_name":"clamav"},{"binary_version":"0.103.2+dfsg-0ubuntu0.20.04.2","binary_name":"clamav-base"},{"binary_version":"0.103.2+dfsg-0ubuntu0.20.04.2","binary_name":"clamav-daemon"},{"binary_version":"0.103.2+dfsg-0ubuntu0.20.04.2","binary_name":"clamav-docs"},{"binary_version":"0.103.2+dfsg-0ubuntu0.20.04.2","binary_name":"clamav-freshclam"},{"binary_version":"0.103.2+dfsg-0ubuntu0.20.04.2","binary_name":"clamav-milter"},{"binary_version":"0.103.2+dfsg-0ubuntu0.20.04.2","binary_name":"clamav-testfiles"},{"binary_version":"0.103.2+dfsg-0ubuntu0.20.04.2","binary_name":"clamdscan"},{"binary_version":"0.103.2+dfsg-0ubuntu0.20.04.2","binary_name":"libclamav9"}],"availability":"No subscription required"},"database_specific":{"cves_map":{"cves":[],"ecosystem":"Ubuntu:20.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4918-3.json"}}],"schema_version":"1.7.5"}