{"id":"USN-6303-2","summary":"clamav vulnerability","details":"USN-6303-1 fixed a vulnerability in ClamAV. This update provides\nthe corresponding update for Ubuntu 14.04 LTS, Ubuntu 16.04 LTS,\nand Ubuntu 18.04 LTS.\n\nOriginal advisory details:\n\n It was discovered that ClamAV incorrectly handled parsing HFS+ files. A\n remote attacker could possibly use this issue to cause ClamAV to crash,\n resulting in a denial of service.\n","modified":"2026-04-22T10:37:58.855313Z","published":"2023-08-21T16:38:51Z","related":["UBUNTU-CVE-2023-20197"],"upstream":["CVE-2023-20197","UBUNTU-CVE-2023-20197"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-6303-2"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-20197"}],"affected":[{"package":{"name":"clamav","ecosystem":"Ubuntu:Pro:14.04:LTS","purl":"pkg:deb/ubuntu/clamav@0.103.9+dfsg-0ubuntu0.14.04.1+esm1?arch=source&distro=trusty/esm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.103.9+dfsg-0ubuntu0.14.04.1+esm1"}]}],"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","0.103.2+dfsg-0ubuntu0.14.04.1+esm2","0.103.5+dfsg-0ubuntu0.14.04.1+esm1","0.103.6+dfsg-0ubuntu0.14.04.1+esm1","0.103.8+dfsg-0ubuntu0.14.04.1+esm1"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro","binaries":[{"binary_name":"clamav","binary_version":"0.103.9+dfsg-0ubuntu0.14.04.1+esm1"},{"binary_name":"clamav-base","binary_version":"0.103.9+dfsg-0ubuntu0.14.04.1+esm1"},{"binary_name":"clamav-daemon","binary_version":"0.103.9+dfsg-0ubuntu0.14.04.1+esm1"},{"binary_name":"clamav-docs","binary_version":"0.103.9+dfsg-0ubuntu0.14.04.1+esm1"},{"binary_name":"clamav-freshclam","binary_version":"0.103.9+dfsg-0ubuntu0.14.04.1+esm1"},{"binary_name":"clamav-milter","binary_version":"0.103.9+dfsg-0ubuntu0.14.04.1+esm1"},{"binary_name":"clamav-testfiles","binary_version":"0.103.9+dfsg-0ubuntu0.14.04.1+esm1"},{"binary_name":"libclamav9","binary_version":"0.103.9+dfsg-0ubuntu0.14.04.1+esm1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-6303-2.json","cves_map":{"ecosystem":"Ubuntu:Pro:14.04:LTS","cves":[{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2023-20197"}]}}},{"package":{"name":"clamav","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/clamav@0.103.9+dfsg-0ubuntu0.16.04.1+esm1?arch=source&distro=esm-infra/xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.103.9+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","0.103.2+dfsg-0ubuntu0.16.04.1+esm1","0.103.5+dfsg-0ubuntu0.16.04.1+esm1","0.103.6+dfsg-0ubuntu0.16.04.1+esm1","0.103.8+dfsg-0ubuntu0.16.04.1+esm1"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro","binaries":[{"binary_name":"clamav","binary_version":"0.103.9+dfsg-0ubuntu0.16.04.1+esm1"},{"binary_name":"clamav-base","binary_version":"0.103.9+dfsg-0ubuntu0.16.04.1+esm1"},{"binary_name":"clamav-daemon","binary_version":"0.103.9+dfsg-0ubuntu0.16.04.1+esm1"},{"binary_name":"clamav-docs","binary_version":"0.103.9+dfsg-0ubuntu0.16.04.1+esm1"},{"binary_name":"clamav-freshclam","binary_version":"0.103.9+dfsg-0ubuntu0.16.04.1+esm1"},{"binary_name":"clamav-milter","binary_version":"0.103.9+dfsg-0ubuntu0.16.04.1+esm1"},{"binary_name":"clamav-testfiles","binary_version":"0.103.9+dfsg-0ubuntu0.16.04.1+esm1"},{"binary_name":"clamdscan","binary_version":"0.103.9+dfsg-0ubuntu0.16.04.1+esm1"},{"binary_name":"libclamav9","binary_version":"0.103.9+dfsg-0ubuntu0.16.04.1+esm1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-6303-2.json","cves_map":{"ecosystem":"Ubuntu:Pro:16.04:LTS","cves":[{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2023-20197"}]}}},{"package":{"name":"clamav","ecosystem":"Ubuntu:Pro:18.04:LTS","purl":"pkg:deb/ubuntu/clamav@0.103.9+dfsg-0ubuntu0.18.04.1+esm1?arch=source&distro=esm-infra/bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.103.9+dfsg-0ubuntu0.18.04.1+esm1"}]}],"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","0.103.2+dfsg-0ubuntu0.18.04.2","0.103.2+dfsg-0ubuntu0.18.04.3","0.103.5+dfsg-0ubuntu0.18.04.1","0.103.6+dfsg-0ubuntu0.18.04.1","0.103.8+dfsg-0ubuntu0.18.04.1"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro","binaries":[{"binary_name":"clamav","binary_version":"0.103.9+dfsg-0ubuntu0.18.04.1+esm1"},{"binary_name":"clamav-base","binary_version":"0.103.9+dfsg-0ubuntu0.18.04.1+esm1"},{"binary_name":"clamav-daemon","binary_version":"0.103.9+dfsg-0ubuntu0.18.04.1+esm1"},{"binary_name":"clamav-docs","binary_version":"0.103.9+dfsg-0ubuntu0.18.04.1+esm1"},{"binary_name":"clamav-freshclam","binary_version":"0.103.9+dfsg-0ubuntu0.18.04.1+esm1"},{"binary_name":"clamav-milter","binary_version":"0.103.9+dfsg-0ubuntu0.18.04.1+esm1"},{"binary_name":"clamav-testfiles","binary_version":"0.103.9+dfsg-0ubuntu0.18.04.1+esm1"},{"binary_name":"clamdscan","binary_version":"0.103.9+dfsg-0ubuntu0.18.04.1+esm1"},{"binary_name":"libclamav9","binary_version":"0.103.9+dfsg-0ubuntu0.18.04.1+esm1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-6303-2.json","cves_map":{"ecosystem":"Ubuntu:Pro:18.04:LTS","cves":[{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2023-20197"}]}}}],"schema_version":"1.7.5"}