{"id":"USN-8517-1","summary":"clamav vulnerabilities","details":"It was discovered that ClamAV incorrectly handled certain PE files. A\nremote attacker could possibly use this issue to cause ClamAV to crash,\nresulting in a denial of service. (CVE-2026-20213, CVE-2026-20214,\nCVE-2026-20217)\n\nIt was discovered that ClamAV incorrectly handled certain 7z archive\nfiles. A remote attacker could possibly use this issue to cause ClamAV to\ncrash, resulting in a denial of service. (CVE-2026-20215)\n\nIt was discovered that ClamAV incorrectly handled extraction limits for\ncertain InstallShield archives. A remote attacker could possibly use this\nissue to cause ClamAV to use excessive resources, leading to a denial of\nservice. (CVE-2026-20216)\n\nIt was discovered that ClamAV incorrectly handled certain ALZ archive\nfiles. A remote attacker could possibly use this issue to cause ClamAV to\ncrash, resulting in a denial of service. (CVE-2026-20243)\n\nIt was discovered that ClamAV incorrectly handled certain DMG files. A\nremote attacker could possibly use this issue to cause ClamAV to crash,\nresulting in a denial of service. (CVE-2026-20244)","modified":"2026-07-08T22:49:38.434628841Z","published":"2026-07-08T14:07:06Z","related":["UBUNTU-CVE-2026-20213","UBUNTU-CVE-2026-20214","UBUNTU-CVE-2026-20215","UBUNTU-CVE-2026-20216","UBUNTU-CVE-2026-20217","UBUNTU-CVE-2026-20243","UBUNTU-CVE-2026-20244"],"upstream":["CVE-2026-20213","CVE-2026-20214","CVE-2026-20215","CVE-2026-20216","CVE-2026-20217","CVE-2026-20243","CVE-2026-20244","UBUNTU-CVE-2026-20213","UBUNTU-CVE-2026-20214","UBUNTU-CVE-2026-20215","UBUNTU-CVE-2026-20216","UBUNTU-CVE-2026-20217","UBUNTU-CVE-2026-20243","UBUNTU-CVE-2026-20244"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-8517-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-20213"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-20214"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-20215"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-20216"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-20217"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-20243"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-20244"}],"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":"1.5.3+dfsg-0ubuntu0.22.04.2"}]}],"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","1.4.4+dfsg-0ubuntu0.22.04.1"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"clamav","binary_version":"1.5.3+dfsg-0ubuntu0.22.04.2"},{"binary_name":"clamav-base","binary_version":"1.5.3+dfsg-0ubuntu0.22.04.2"},{"binary_name":"clamav-daemon","binary_version":"1.5.3+dfsg-0ubuntu0.22.04.2"},{"binary_name":"clamav-docs","binary_version":"1.5.3+dfsg-0ubuntu0.22.04.2"},{"binary_name":"clamav-freshclam","binary_version":"1.5.3+dfsg-0ubuntu0.22.04.2"},{"binary_name":"clamav-milter","binary_version":"1.5.3+dfsg-0ubuntu0.22.04.2"},{"binary_name":"clamav-testfiles","binary_version":"1.5.3+dfsg-0ubuntu0.22.04.2"},{"binary_name":"clamdscan","binary_version":"1.5.3+dfsg-0ubuntu0.22.04.2"},{"binary_name":"libclamav12","binary_version":"1.5.3+dfsg-0ubuntu0.22.04.2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8517-1.json","cves_map":{"ecosystem":"Ubuntu:22.04:LTS","cves":[{"severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2026-20213"},{"id":"CVE-2026-20214","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"score":"medium","type":"Ubuntu"}]},{"id":"CVE-2026-20215","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"score":"medium","type":"Ubuntu"}]},{"id":"CVE-2026-20216","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":"Ubuntu","score":"medium"}]},{"severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2026-20217"},{"severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2026-20243"},{"severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2026-20244"}]}}},{"package":{"name":"clamav","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/clamav?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.5.3+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","1.4.4+dfsg-0ubuntu0.24.04.1"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"clamav","binary_version":"1.5.3+dfsg-0ubuntu0.24.04.1"},{"binary_name":"clamav-base","binary_version":"1.5.3+dfsg-0ubuntu0.24.04.1"},{"binary_name":"clamav-daemon","binary_version":"1.5.3+dfsg-0ubuntu0.24.04.1"},{"binary_name":"clamav-docs","binary_version":"1.5.3+dfsg-0ubuntu0.24.04.1"},{"binary_name":"clamav-freshclam","binary_version":"1.5.3+dfsg-0ubuntu0.24.04.1"},{"binary_name":"clamav-milter","binary_version":"1.5.3+dfsg-0ubuntu0.24.04.1"},{"binary_name":"clamav-testfiles","binary_version":"1.5.3+dfsg-0ubuntu0.24.04.1"},{"binary_name":"clamdscan","binary_version":"1.5.3+dfsg-0ubuntu0.24.04.1"},{"binary_name":"libclamav12","binary_version":"1.5.3+dfsg-0ubuntu0.24.04.1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8517-1.json","cves_map":{"ecosystem":"Ubuntu:24.04:LTS","cves":[{"severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2026-20213"},{"id":"CVE-2026-20214","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":"Ubuntu","score":"medium"}]},{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2026-20215"},{"severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2026-20216"},{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2026-20217"},{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2026-20243"},{"id":"CVE-2026-20244","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]}]}}},{"package":{"name":"clamav","ecosystem":"Ubuntu:26.04:LTS","purl":"pkg:deb/ubuntu/clamav?arch=source&distro=resolute"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.5.3+dfsg-0ubuntu0.26.04.1"}]}],"versions":["1.4.3+dfsg-0ubuntu2","1.4.3+dfsg-0ubuntu3","1.4.3+dfsg-2ubuntu1","1.4.3+dfsg-2ubuntu2","1.4.3+dfsg-2ubuntu3","1.4.4+dfsg-0ubuntu0.26.04.1"],"ecosystem_specific":{"binaries":[{"binary_name":"clamav","binary_version":"1.5.3+dfsg-0ubuntu0.26.04.1"},{"binary_name":"clamav-base","binary_version":"1.5.3+dfsg-0ubuntu0.26.04.1"},{"binary_name":"clamav-daemon","binary_version":"1.5.3+dfsg-0ubuntu0.26.04.1"},{"binary_name":"clamav-docs","binary_version":"1.5.3+dfsg-0ubuntu0.26.04.1"},{"binary_name":"clamav-freshclam","binary_version":"1.5.3+dfsg-0ubuntu0.26.04.1"},{"binary_name":"clamav-milter","binary_version":"1.5.3+dfsg-0ubuntu0.26.04.1"},{"binary_name":"clamav-testfiles","binary_version":"1.5.3+dfsg-0ubuntu0.26.04.1"},{"binary_name":"clamdscan","binary_version":"1.5.3+dfsg-0ubuntu0.26.04.1"},{"binary_name":"libclamav12","binary_version":"1.5.3+dfsg-0ubuntu0.26.04.1"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8517-1.json","cves_map":{"ecosystem":"Ubuntu:26.04:LTS","cves":[{"severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2026-20213"},{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2026-20214"},{"id":"CVE-2026-20215","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":"Ubuntu","score":"medium"}]},{"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":"Ubuntu","score":"medium"}],"id":"CVE-2026-20216"},{"severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2026-20217"},{"severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2026-20243"},{"id":"CVE-2026-20244","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]}]}}}],"schema_version":"1.7.5"}