{"id":"USN-4667-1","summary":"apt vulnerability","details":"Kevin Backhouse discovered that APT incorrectly handled certain packages.\nA local attacker could possibly use this issue to cause APT to crash or\nstop responding, resulting in a denial of service.\n","modified":"2026-02-10T04:42:00Z","published":"2020-12-09T16:30:18Z","related":["UBUNTU-CVE-2020-27350"],"upstream":["CVE-2020-27350","UBUNTU-CVE-2020-27350"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-4667-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-27350"}],"affected":[{"package":{"name":"apt","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/apt@1.2.32ubuntu0.2?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.2.32ubuntu0.2"}]}],"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","1.2.32ubuntu0.1"],"ecosystem_specific":{"binaries":[{"binary_version":"1.2.32ubuntu0.2","binary_name":"apt"},{"binary_version":"1.2.32ubuntu0.2","binary_name":"apt-transport-https"},{"binary_version":"1.2.32ubuntu0.2","binary_name":"apt-utils"},{"binary_version":"1.2.32ubuntu0.2","binary_name":"libapt-inst2.0"},{"binary_version":"1.2.32ubuntu0.2","binary_name":"libapt-pkg-dev"},{"binary_version":"1.2.32ubuntu0.2","binary_name":"libapt-pkg5.0"}],"availability":"No subscription required"},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:16.04:LTS","cves":[{"id":"CVE-2020-27350","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:L"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:L"},{"type":"Ubuntu","score":"medium"}]}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4667-1.json"}},{"package":{"name":"apt","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/apt@1.6.12ubuntu0.2?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.6.12ubuntu0.2"}]}],"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","1.6.12ubuntu0.1"],"ecosystem_specific":{"binaries":[{"binary_version":"1.6.12ubuntu0.2","binary_name":"apt"},{"binary_version":"1.6.12ubuntu0.2","binary_name":"apt-transport-https"},{"binary_version":"1.6.12ubuntu0.2","binary_name":"apt-utils"},{"binary_version":"1.6.12ubuntu0.2","binary_name":"libapt-inst2.0"},{"binary_version":"1.6.12ubuntu0.2","binary_name":"libapt-pkg-dev"},{"binary_version":"1.6.12ubuntu0.2","binary_name":"libapt-pkg5.0"}],"availability":"No subscription required"},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:18.04:LTS","cves":[{"id":"CVE-2020-27350","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:L"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:L"},{"type":"Ubuntu","score":"medium"}]}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4667-1.json"}},{"package":{"name":"apt","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/apt@2.0.2ubuntu0.2?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.0.2ubuntu0.2"}]}],"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","2.0.2ubuntu0.1"],"ecosystem_specific":{"binaries":[{"binary_version":"2.0.2ubuntu0.2","binary_name":"apt"},{"binary_version":"2.0.2ubuntu0.2","binary_name":"apt-transport-https"},{"binary_version":"2.0.2ubuntu0.2","binary_name":"apt-utils"},{"binary_version":"2.0.2ubuntu0.2","binary_name":"libapt-pkg-dev"},{"binary_version":"2.0.2ubuntu0.2","binary_name":"libapt-pkg6.0"}],"availability":"No subscription required"},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:20.04:LTS","cves":[{"id":"CVE-2020-27350","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:L"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:L"},{"type":"Ubuntu","score":"medium"}]}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4667-1.json"}}],"schema_version":"1.7.3"}