{"id":"USN-8207-1","summary":"clamav vulnerability","details":"It was discovered that ClamAV incorrectly handled certain HTML files. A\nremote attacker could possibly use this issue to cause ClamAV to crash,\nresulting in a denial of service.","modified":"2026-05-20T16:04:02.189216844Z","published":"2026-04-27T11:51:18Z","related":["UBUNTU-CVE-2026-20031"],"upstream":["UBUNTU-CVE-2026-20031"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-8207-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-20031"}],"affected":[{"package":{"name":"clamav","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/clamav?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.4.4+dfsg-0ubuntu0.22.04.1"}]}],"versions":["0.103.3+dfsg-1","0.103.4+dfsg-1","0.103.4+dfsg-1build1","0.103.5+dfsg-1","0.103.6+dfsg-0ubuntu0.22.04.1","0.103.8+dfsg-0ubuntu0.22.04.1","0.103.9+dfsg-0ubuntu0.22.04.1","0.103.11+dfsg-0ubuntu0.22.04.1","0.103.12+dfsg-0ubuntu0.22.04.1","1.4.3+dfsg-0ubuntu0.22.04.1"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"clamav","binary_version":"1.4.4+dfsg-0ubuntu0.22.04.1"},{"binary_name":"clamav-base","binary_version":"1.4.4+dfsg-0ubuntu0.22.04.1"},{"binary_name":"clamav-daemon","binary_version":"1.4.4+dfsg-0ubuntu0.22.04.1"},{"binary_name":"clamav-docs","binary_version":"1.4.4+dfsg-0ubuntu0.22.04.1"},{"binary_name":"clamav-freshclam","binary_version":"1.4.4+dfsg-0ubuntu0.22.04.1"},{"binary_name":"clamav-milter","binary_version":"1.4.4+dfsg-0ubuntu0.22.04.1"},{"binary_name":"clamav-testfiles","binary_version":"1.4.4+dfsg-0ubuntu0.22.04.1"},{"binary_name":"clamdscan","binary_version":"1.4.4+dfsg-0ubuntu0.22.04.1"},{"binary_name":"libclamav12","binary_version":"1.4.4+dfsg-0ubuntu0.22.04.1"}]},"database_specific":{"cves_map":{"cves":[{"severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2026-20031"}],"ecosystem":"Ubuntu:22.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8207-1.json"}},{"package":{"name":"clamav","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/clamav?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.4.4+dfsg-0ubuntu0.24.04.1"}]}],"versions":["1.0.2+dfsg-1ubuntu1","1.0.3+dfsg-2ubuntu1","1.0.4+dfsg-0ubuntu1","1.0.5+dfsg-1ubuntu1","1.0.5+dfsg-1.1ubuntu2","1.0.5+dfsg-1.1ubuntu3","1.0.7+dfsg-0ubuntu0.24.04.1","1.0.8+dfsg-0ubuntu0.24.04.1","1.4.3+dfsg-0ubuntu0.24.04.1"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"clamav","binary_version":"1.4.4+dfsg-0ubuntu0.24.04.1"},{"binary_name":"clamav-base","binary_version":"1.4.4+dfsg-0ubuntu0.24.04.1"},{"binary_name":"clamav-daemon","binary_version":"1.4.4+dfsg-0ubuntu0.24.04.1"},{"binary_name":"clamav-docs","binary_version":"1.4.4+dfsg-0ubuntu0.24.04.1"},{"binary_name":"clamav-freshclam","binary_version":"1.4.4+dfsg-0ubuntu0.24.04.1"},{"binary_name":"clamav-milter","binary_version":"1.4.4+dfsg-0ubuntu0.24.04.1"},{"binary_name":"clamav-testfiles","binary_version":"1.4.4+dfsg-0ubuntu0.24.04.1"},{"binary_name":"clamdscan","binary_version":"1.4.4+dfsg-0ubuntu0.24.04.1"},{"binary_name":"libclamav12","binary_version":"1.4.4+dfsg-0ubuntu0.24.04.1"}]},"database_specific":{"cves_map":{"cves":[{"severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2026-20031"}],"ecosystem":"Ubuntu:24.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8207-1.json"}},{"package":{"name":"clamav","ecosystem":"Ubuntu:25.10","purl":"pkg:deb/ubuntu/clamav?arch=source&distro=questing"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.4.4+dfsg-0ubuntu0.25.10.1"}]}],"versions":["1.4.2+dfsg-0ubuntu1","1.4.2+dfsg-0ubuntu2","1.4.2+dfsg-1ubuntu1","1.4.3+dfsg-0ubuntu1","1.4.3+dfsg-0ubuntu2"],"ecosystem_specific":{"availability":"No 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required","binaries":[{"binary_name":"clamav","binary_version":"1.4.4+dfsg-0ubuntu0.26.04.1"},{"binary_name":"clamav-base","binary_version":"1.4.4+dfsg-0ubuntu0.26.04.1"},{"binary_name":"clamav-daemon","binary_version":"1.4.4+dfsg-0ubuntu0.26.04.1"},{"binary_name":"clamav-docs","binary_version":"1.4.4+dfsg-0ubuntu0.26.04.1"},{"binary_name":"clamav-freshclam","binary_version":"1.4.4+dfsg-0ubuntu0.26.04.1"},{"binary_name":"clamav-milter","binary_version":"1.4.4+dfsg-0ubuntu0.26.04.1"},{"binary_name":"clamav-testfiles","binary_version":"1.4.4+dfsg-0ubuntu0.26.04.1"},{"binary_name":"clamdscan","binary_version":"1.4.4+dfsg-0ubuntu0.26.04.1"},{"binary_name":"libclamav12","binary_version":"1.4.4+dfsg-0ubuntu0.26.04.1"}]},"database_specific":{"cves_map":{"cves":[{"id":"CVE-2026-20031","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]}],"ecosystem":"Ubuntu:26.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8207-1.json"}}],"schema_version":"1.7.5"}