{"id":"USN-4645-1","summary":"mutt vulnerability","details":"It was discovered that Mutt incorrectly handled certain connections.\nAn attacker could possibly use this issue to expose sensitive information.\n","modified":"2026-02-10T04:41:59Z","published":"2020-11-25T15:18:59Z","related":["UBUNTU-CVE-2020-28896"],"upstream":["CVE-2020-28896","UBUNTU-CVE-2020-28896"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-4645-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-28896"}],"affected":[{"package":{"name":"mutt","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/mutt@1.5.24-1ubuntu0.5?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.5.24-1ubuntu0.5"}]}],"versions":["1.5.23-3.1ubuntu1","1.5.23-3.1ubuntu2","1.5.24-1","1.5.24-1build1","1.5.24-1ubuntu0.1","1.5.24-1ubuntu0.2","1.5.24-1ubuntu0.3","1.5.24-1ubuntu0.4"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_version":"1.5.24-1ubuntu0.5","binary_name":"mutt"},{"binary_version":"1.5.24-1ubuntu0.5","binary_name":"mutt-patched"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4645-1.json","cves_map":{"cves":[{"id":"CVE-2020-28896","severity":[{"score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]}],"ecosystem":"Ubuntu:16.04:LTS"}}},{"package":{"name":"mutt","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/mutt@1.9.4-3ubuntu0.4?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.9.4-3ubuntu0.4"}]}],"versions":["1.8.3+neomutt20170609-2build1","1.9.1-2","1.9.1-3","1.9.1-4","1.9.1-5","1.9.2-1","1.9.3-1","1.9.4-2","1.9.4-3","1.9.4-3ubuntu0.1","1.9.4-3ubuntu0.2","1.9.4-3ubuntu0.3"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_version":"1.9.4-3ubuntu0.4","binary_name":"mutt"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4645-1.json","cves_map":{"cves":[{"id":"CVE-2020-28896","severity":[{"score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]}],"ecosystem":"Ubuntu:18.04:LTS"}}},{"package":{"name":"mutt","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/mutt@1.13.2-1ubuntu0.3?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.13.2-1ubuntu0.3"}]}],"versions":["1.10.1-2.1","1.12.2-1","1.12.2-2","1.13.0-1","1.13.2-1","1.13.2-1ubuntu0.1","1.13.2-1ubuntu0.2"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_version":"1.13.2-1ubuntu0.3","binary_name":"mutt"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4645-1.json","cves_map":{"cves":[{"id":"CVE-2020-28896","severity":[{"score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]}],"ecosystem":"Ubuntu:20.04:LTS"}}}],"schema_version":"1.7.3"}