{"id":"USN-5151-1","summary":"mailman vulnerabilities","details":"It was discovered that Mailman incorrectly handled certain URL.\nAn attacker could possibly use this issue to execute arbitrary code.\n(CVE-2021-43331)\n\nIt was discovered that Mailman incorrectly handled certain inputs.\nAn attacker could possibly use this issue to expose sensitive information.\n(CVE-2021-43332)\n","modified":"2026-06-25T13:30:51.068078182Z","published":"2021-11-18T13:55:40Z","related":["UBUNTU-CVE-2021-43331","UBUNTU-CVE-2021-43332"],"upstream":["CVE-2021-43331","CVE-2021-43332","UBUNTU-CVE-2021-43331","UBUNTU-CVE-2021-43332"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-5151-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-43331"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-43332"},{"type":"REPORT","url":"https://launchpad.net/bugs/1949401"},{"type":"REPORT","url":"https://launchpad.net/mailman/+bug/1949403"}],"affected":[{"package":{"name":"mailman","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/mailman?arch=source&distro=esm-infra%2Fxenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:2.1.20-1ubuntu0.6+esm2"}]}],"versions":["1:2.1.20-1","1:2.1.20-1ubuntu0.1","1:2.1.20-1ubuntu0.3","1:2.1.20-1ubuntu0.4","1:2.1.20-1ubuntu0.5","1:2.1.20-1ubuntu0.6","1:2.1.20-1ubuntu0.6+esm1"],"ecosystem_specific":{"binaries":[{"binary_name":"mailman","binary_version":"1:2.1.20-1ubuntu0.6+esm2"}],"availability":"Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:Pro:16.04:LTS","cves":[{"id":"CVE-2021-43331","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]},{"id":"CVE-2021-43332","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N"},{"type":"Ubuntu","score":"low"}]}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5151-1.json"}},{"package":{"name":"mailman","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/mailman?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:2.1.26-1ubuntu0.5"}]}],"versions":["1:2.1.23-1","1:2.1.24-1","1:2.1.25-1","1:2.1.26-1","1:2.1.26-1ubuntu0.1","1:2.1.26-1ubuntu0.2","1:2.1.26-1ubuntu0.3","1:2.1.26-1ubuntu0.4"],"ecosystem_specific":{"binaries":[{"binary_name":"mailman","binary_version":"1:2.1.26-1ubuntu0.5"}],"availability":"No subscription required"},"database_specific":{"cves_map":{"cves":[{"id":"CVE-2021-43331","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"},{"type":"Ubuntu","score":"medium"}]},{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N"},{"type":"Ubuntu","score":"low"}],"id":"CVE-2021-43332"}],"ecosystem":"Ubuntu:18.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5151-1.json"}}],"schema_version":"1.7.5"}