{"id":"UBUNTU-CVE-2020-3810","details":"Missing input validation in the ar/tar implementations of APT before version 2.1.2 could result in denial of service when processing specially crafted deb files.","modified":"2026-04-22T14:27:01.159232Z","published":"2020-05-12T20:00:00Z","related":["USN-4359-1","USN-4359-2"],"upstream":["CVE-2020-3810"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-3810"},{"type":"REPORT","url":"https://github.com/Debian/apt/issues/111"},{"type":"REPORT","url":"https://github.com/julian-klode/apt/commit/de4efadc3c92e26d37272fd310be148ec61dcf36"},{"type":"REPORT","url":"https://salsa.debian.org/jak/apt/-/commit/dceb1e49e4b8e4dadaf056be34088b415939cda6"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-4359-1"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-4359-2"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2020-3810"}],"affected":[{"package":{"name":"apt","ecosystem":"Ubuntu:Pro:14.04:LTS","purl":"pkg:deb/ubuntu/apt@1.0.1ubuntu2.24+esm1?arch=source&distro=trusty/esm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.0.1ubuntu2.24+esm1"}]}],"versions":["0.9.9.1~ubuntu3","0.9.9.1~ubuntu4","0.9.9.1~ubuntu5","0.9.13~exp1ubuntu1","0.9.13~exp1ubuntu2","0.9.13~exp1ubuntu3","0.9.13.1~ubuntu1","0.9.14.1ubuntu1","0.9.14.1ubuntu2","0.9.15.1ubuntu1","0.9.15.4ubuntu1","0.9.15.4ubuntu2","0.9.15.4ubuntu3","0.9.15.4ubuntu4","0.9.15.4ubuntu5","1.0.1ubuntu2","1.0.1ubuntu2.1","1.0.1ubuntu2.3","1.0.1ubuntu2.4.1","1.0.1ubuntu2.5","1.0.1ubuntu2.6","1.0.1ubuntu2.7","1.0.1ubuntu2.8","1.0.1ubuntu2.9","1.0.1ubuntu2.10","1.0.1ubuntu2.11","1.0.1ubuntu2.12","1.0.1ubuntu2.13","1.0.1ubuntu2.14","1.0.1ubuntu2.15","1.0.1ubuntu2.17","1.0.1ubuntu2.18","1.0.1ubuntu2.19","1.0.1ubuntu2.20","1.0.1ubuntu2.22","1.0.1ubuntu2.23","1.0.1ubuntu2.24"],"ecosystem_specific":{"binaries":[{"binary_version":"1.0.1ubuntu2.24+esm1","binary_name":"apt"},{"binary_name":"apt-transport-https","binary_version":"1.0.1ubuntu2.24+esm1"},{"binary_name":"apt-utils","binary_version":"1.0.1ubuntu2.24+esm1"},{"binary_name":"libapt-inst1.5","binary_version":"1.0.1ubuntu2.24+esm1"},{"binary_name":"libapt-pkg4.12","binary_version":"1.0.1ubuntu2.24+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/cve/2020/UBUNTU-CVE-2020-3810.json"}},{"package":{"name":"apt","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/apt@1.2.32ubuntu0.1?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.2.32ubuntu0.1"}]}],"versions":["1.0.10.2ubuntu1","1.1.4","1.1.5","1.1.10","1.2.3","1.2.4","1.2.6","1.2.7","1.2.8","1.2.9","1.2.10","1.2.10ubuntu1","1.2.12~ubuntu16.04.1","1.2.15","1.2.15ubuntu0.2","1.2.18","1.2.19","1.2.20","1.2.24","1.2.25","1.2.26","1.2.27","1.2.29","1.2.29ubuntu0.1","1.2.31","1.2.32"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"apt","binary_version":"1.2.32ubuntu0.1"},{"binary_name":"apt-transport-https","binary_version":"1.2.32ubuntu0.1"},{"binary_name":"apt-utils","binary_version":"1.2.32ubuntu0.1"},{"binary_version":"1.2.32ubuntu0.1","binary_name":"libapt-inst2.0"},{"binary_name":"libapt-pkg5.0","binary_version":"1.2.32ubuntu0.1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-3810.json"}},{"package":{"name":"apt","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/apt@1.6.12ubuntu0.1?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.6.12ubuntu0.1"}]}],"versions":["1.5","1.5.1","1.6~alpha5","1.6~alpha7ubuntu1","1.6~alpha7ubuntu2","1.6~beta1","1.6~rc1","1.6","1.6.1","1.6.2","1.6.3","1.6.3ubuntu0.1","1.6.6","1.6.6ubuntu0.1","1.6.8","1.6.10","1.6.11","1.6.12"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"apt","binary_version":"1.6.12ubuntu0.1"},{"binary_version":"1.6.12ubuntu0.1","binary_name":"apt-transport-https"},{"binary_name":"apt-utils","binary_version":"1.6.12ubuntu0.1"},{"binary_name":"libapt-inst2.0","binary_version":"1.6.12ubuntu0.1"},{"binary_name":"libapt-pkg5.0","binary_version":"1.6.12ubuntu0.1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-3810.json"}},{"package":{"name":"apt","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/apt@2.0.2ubuntu0.1?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.0.2ubuntu0.1"}]}],"versions":["1.9.4","1.9.5","1.9.7","1.9.8","1.9.9","1.9.10","2.0.0","2.0.1","2.0.1ubuntu1","2.0.2"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"apt","binary_version":"2.0.2ubuntu0.1"},{"binary_name":"apt-transport-https","binary_version":"2.0.2ubuntu0.1"},{"binary_name":"apt-utils","binary_version":"2.0.2ubuntu0.1"},{"binary_name":"libapt-pkg6.0","binary_version":"2.0.2ubuntu0.1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-3810.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]}