{"id":"USN-4918-1","summary":"clamav vulnerabilities","details":"It was discovered that ClamAV incorrectly handled parsing Excel documents.\nA remote attacker could possibly use this issue to cause ClamAV to hang,\nresulting in a denial of service. (CVE-2021-1252)\n\nIt was discovered that ClamAV incorrectly handled parsing PDF documents. A\nremote attacker could possibly use this issue to cause ClamAV to crash,\nresulting in a denial of service. (CVE-2021-1404)\n\nIt was discovered that ClamAV incorrectly handled parsing email. A remote\nattacker could possibly use this issue to cause ClamAV to crash, resulting\nin a denial of service. (CVE-2021-1405)\n","modified":"2026-02-10T04:42:09Z","published":"2021-04-19T17:52:28Z","related":["UBUNTU-CVE-2021-1252","UBUNTU-CVE-2021-1404","UBUNTU-CVE-2021-1405"],"upstream":["CVE-2021-1252","CVE-2021-1404","CVE-2021-1405","UBUNTU-CVE-2021-1252","UBUNTU-CVE-2021-1404","UBUNTU-CVE-2021-1405"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-4918-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-1252"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-1404"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-1405"}],"affected":[{"package":{"name":"clamav","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/clamav@0.103.2+dfsg-0ubuntu0.16.04.1?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.103.2+dfsg-0ubuntu0.16.04.1"}]}],"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"],"ecosystem_specific":{"binaries":[{"binary_name":"clamav","binary_version":"0.103.2+dfsg-0ubuntu0.16.04.1"},{"binary_name":"clamav-base","binary_version":"0.103.2+dfsg-0ubuntu0.16.04.1"},{"binary_name":"clamav-daemon","binary_version":"0.103.2+dfsg-0ubuntu0.16.04.1"},{"binary_name":"clamav-docs","binary_version":"0.103.2+dfsg-0ubuntu0.16.04.1"},{"binary_name":"clamav-freshclam","binary_version":"0.103.2+dfsg-0ubuntu0.16.04.1"},{"binary_name":"clamav-milter","binary_version":"0.103.2+dfsg-0ubuntu0.16.04.1"},{"binary_name":"clamav-testfiles","binary_version":"0.103.2+dfsg-0ubuntu0.16.04.1"},{"binary_name":"clamdscan","binary_version":"0.103.2+dfsg-0ubuntu0.16.04.1"},{"binary_name":"libclamav-dev","binary_version":"0.103.2+dfsg-0ubuntu0.16.04.1"},{"binary_name":"libclamav9","binary_version":"0.103.2+dfsg-0ubuntu0.16.04.1"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4918-1.json","cves_map":{"ecosystem":"Ubuntu: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-2021-1252"},{"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-2021-1404"},{"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-2021-1405"}]}}},{"package":{"name":"clamav","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/clamav@0.103.2+dfsg-0ubuntu0.18.04.1?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.103.2+dfsg-0ubuntu0.18.04.1"}]}],"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"],"ecosystem_specific":{"binaries":[{"binary_name":"clamav","binary_version":"0.103.2+dfsg-0ubuntu0.18.04.1"},{"binary_name":"clamav-base","binary_version":"0.103.2+dfsg-0ubuntu0.18.04.1"},{"binary_name":"clamav-daemon","binary_version":"0.103.2+dfsg-0ubuntu0.18.04.1"},{"binary_name":"clamav-docs","binary_version":"0.103.2+dfsg-0ubuntu0.18.04.1"},{"binary_name":"clamav-freshclam","binary_version":"0.103.2+dfsg-0ubuntu0.18.04.1"},{"binary_name":"clamav-milter","binary_version":"0.103.2+dfsg-0ubuntu0.18.04.1"},{"binary_name":"clamav-testfiles","binary_version":"0.103.2+dfsg-0ubuntu0.18.04.1"},{"binary_name":"clamdscan","binary_version":"0.103.2+dfsg-0ubuntu0.18.04.1"},{"binary_name":"libclamav-dev","binary_version":"0.103.2+dfsg-0ubuntu0.18.04.1"},{"binary_name":"libclamav9","binary_version":"0.103.2+dfsg-0ubuntu0.18.04.1"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4918-1.json","cves_map":{"ecosystem":"Ubuntu: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-2021-1252"},{"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-2021-1404"},{"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-2021-1405"}]}}},{"package":{"name":"clamav","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/clamav@0.103.2+dfsg-0ubuntu0.20.04.1?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.103.2+dfsg-0ubuntu0.20.04.1"}]}],"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"],"ecosystem_specific":{"binaries":[{"binary_name":"clamav","binary_version":"0.103.2+dfsg-0ubuntu0.20.04.1"},{"binary_name":"clamav-base","binary_version":"0.103.2+dfsg-0ubuntu0.20.04.1"},{"binary_name":"clamav-daemon","binary_version":"0.103.2+dfsg-0ubuntu0.20.04.1"},{"binary_name":"clamav-docs","binary_version":"0.103.2+dfsg-0ubuntu0.20.04.1"},{"binary_name":"clamav-freshclam","binary_version":"0.103.2+dfsg-0ubuntu0.20.04.1"},{"binary_name":"clamav-milter","binary_version":"0.103.2+dfsg-0ubuntu0.20.04.1"},{"binary_name":"clamav-testfiles","binary_version":"0.103.2+dfsg-0ubuntu0.20.04.1"},{"binary_name":"clamdscan","binary_version":"0.103.2+dfsg-0ubuntu0.20.04.1"},{"binary_name":"libclamav-dev","binary_version":"0.103.2+dfsg-0ubuntu0.20.04.1"},{"binary_name":"libclamav9","binary_version":"0.103.2+dfsg-0ubuntu0.20.04.1"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4918-1.json","cves_map":{"ecosystem":"Ubuntu:20.04: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-2021-1252"},{"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-2021-1404"},{"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-2021-1405"}]}}}],"schema_version":"1.7.3"}