{"id":"USN-5423-2","summary":"clamav vulnerabilities","details":"USN-5423-1 fixed several vulnerabilities in ClamAV. This update provides\nthe corresponding update for Ubuntu 14.04 ESM and 16.04 ESM.\n\n\nOriginal advisory details:\n\n Michał Dardas discovered that ClamAV incorrectly handled parsing CHM files.\n A remote attacker could possibly use this issue to cause ClamAV to stop\n responding, resulting in a denial of service.  (CVE-2022-20770)\n\n Michał Dardas discovered that ClamAV incorrectly handled parsing TIFF\n files. A remote attacker could possibly use this issue to cause ClamAV to\n stop responding, resulting in a denial of service. (CVE-2022-20771)\n\n Michał Dardas discovered that ClamAV incorrectly handled parsing HTML\n files. A remote attacker could possibly use this issue to cause ClamAV to\n consume resources, resulting in a denial of service. (CVE-2022-20785)\n\n Michał Dardas discovered that ClamAV incorrectly handled loading the\n signature database. A remote attacker could possibly use this issue to\n cause ClamAV to crash, resulting in a denial of service, or possibly\n execute arbitrary code. (CVE-2022-20792)\n\n Alexander Patrakov and Antoine Gatineau discovered that ClamAV incorrectly\n handled the scan verdict cache check. A remote attacker could possibly use\n this issue to cause ClamAV to crash, resulting in a denial of service, or\n possibly execute arbitrary code.(CVE-2022-20796)\n","modified":"2026-05-20T16:05:40.284119804Z","published":"2022-05-17T15:36:09Z","related":["UBUNTU-CVE-2022-20770","UBUNTU-CVE-2022-20771","UBUNTU-CVE-2022-20785","UBUNTU-CVE-2022-20792","UBUNTU-CVE-2022-20796"],"upstream":["CVE-2022-20770","CVE-2022-20771","CVE-2022-20785","CVE-2022-20792","CVE-2022-20796","UBUNTU-CVE-2022-20770","UBUNTU-CVE-2022-20771","UBUNTU-CVE-2022-20785","UBUNTU-CVE-2022-20792","UBUNTU-CVE-2022-20796"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-5423-2"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2022-20770"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2022-20771"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2022-20785"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2022-20792"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2022-20796"}],"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":"0.103.6+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"],"ecosystem_specific":{"binaries":[{"binary_name":"clamav","binary_version":"0.103.6+dfsg-0ubuntu0.14.04.1+esm1"},{"binary_name":"clamav-base","binary_version":"0.103.6+dfsg-0ubuntu0.14.04.1+esm1"},{"binary_name":"clamav-daemon","binary_version":"0.103.6+dfsg-0ubuntu0.14.04.1+esm1"},{"binary_name":"clamav-docs","binary_version":"0.103.6+dfsg-0ubuntu0.14.04.1+esm1"},{"binary_name":"clamav-freshclam","binary_version":"0.103.6+dfsg-0ubuntu0.14.04.1+esm1"},{"binary_name":"clamav-milter","binary_version":"0.103.6+dfsg-0ubuntu0.14.04.1+esm1"},{"binary_name":"clamav-testfiles","binary_version":"0.103.6+dfsg-0ubuntu0.14.04.1+esm1"},{"binary_name":"libclamav9","binary_version":"0.103.6+dfsg-0ubuntu0.14.04.1+esm1"}],"availability":"Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5423-2.json","cves_map":{"cves":[{"id":"CVE-2022-20770","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:C/C:N/I:N/A:H"},{"type":"Ubuntu","score":"low"}]},{"id":"CVE-2022-20771","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":"low"}]},{"id":"CVE-2022-20785","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":"low"}]},{"id":"CVE-2022-20792","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}]},{"id":"CVE-2022-20796","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H"},{"type":"Ubuntu","score":"low"}]}],"ecosystem":"Ubuntu:Pro:14.04:LTS"}}},{"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":"0.103.6+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"],"ecosystem_specific":{"binaries":[{"binary_name":"clamav-testfiles","binary_version":"0.103.6+dfsg-0ubuntu0.16.04.1+esm1"},{"binary_name":"clamav-base","binary_version":"0.103.6+dfsg-0ubuntu0.16.04.1+esm1"},{"binary_name":"clamav","binary_version":"0.103.6+dfsg-0ubuntu0.16.04.1+esm1"},{"binary_name":"clamav-daemon","binary_version":"0.103.6+dfsg-0ubuntu0.16.04.1+esm1"},{"binary_name":"clamav-docs","binary_version":"0.103.6+dfsg-0ubuntu0.16.04.1+esm1"},{"binary_name":"clamav-milter","binary_version":"0.103.6+dfsg-0ubuntu0.16.04.1+esm1"},{"binary_name":"clamav-freshclam","binary_version":"0.103.6+dfsg-0ubuntu0.16.04.1+esm1"},{"binary_name":"libclamav9","binary_version":"0.103.6+dfsg-0ubuntu0.16.04.1+esm1"},{"binary_name":"clamdscan","binary_version":"0.103.6+dfsg-0ubuntu0.16.04.1+esm1"}],"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5423-2.json","cves_map":{"cves":[],"ecosystem":"Ubuntu:Pro:16.04:LTS"}}}],"schema_version":"1.7.5"}