{"id":"USN-7740-1","summary":"libetpan vulnerability","details":"It was discovered that LibEtPan incorrectly handled memory when parsing\nIMAP STATUS responses. A remote attacker could possibly use this issue to\ncause LibEtPan to crash, resulting in a denial of service.","modified":"2026-05-20T16:06:16.301621832Z","published":"2025-09-08T14:23:16Z","related":["UBUNTU-CVE-2022-4121"],"upstream":["CVE-2022-4121","UBUNTU-CVE-2022-4121"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-7740-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2022-4121"}],"affected":[{"package":{"name":"libetpan","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/libetpan?arch=source&distro=esm-infra-legacy%2Fxenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.6-1ubuntu0.1+esm1"}]}],"versions":["1.5-2","1.6-1","1.6-1build1","1.6-1ubuntu0.1"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro with Legacy support add-on: https://ubuntu.com/pro","binaries":[{"binary_name":"libetpan17","binary_version":"1.6-1ubuntu0.1+esm1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7740-1.json","cves_map":{"cves":[],"ecosystem":"Ubuntu:Pro:16.04:LTS"}}},{"package":{"name":"libetpan","ecosystem":"Ubuntu:Pro:18.04:LTS","purl":"pkg:deb/ubuntu/libetpan?arch=source&distro=esm-apps%2Fbionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.8.0-1ubuntu0.1~esm1"}]}],"versions":["1.8.0-1"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro","binaries":[{"binary_name":"libetpan20","binary_version":"1.8.0-1ubuntu0.1~esm1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7740-1.json","cves_map":{"cves":[{"id":"CVE-2022-4121","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":"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"}]}],"ecosystem":"Ubuntu:Pro:18.04:LTS"}}},{"package":{"name":"libetpan","ecosystem":"Ubuntu:Pro:20.04:LTS","purl":"pkg:deb/ubuntu/libetpan?arch=source&distro=esm-apps%2Ffocal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.9.4-2ubuntu0.1~esm1"}]}],"versions":["1.9.3-2","1.9.4-2"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro","binaries":[{"binary_name":"libetpan20","binary_version":"1.9.4-2ubuntu0.1~esm1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7740-1.json","cves_map":{"cves":[{"id":"CVE-2022-4121","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":"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"}]}],"ecosystem":"Ubuntu:Pro:20.04:LTS"}}},{"package":{"name":"libetpan","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/libetpan?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.9.4-3+deb11u1build0.22.04.1"}]}],"versions":["1.9.4-3"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"libetpan20","binary_version":"1.9.4-3+deb11u1build0.22.04.1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7740-1.json","cves_map":{"cves":[{"id":"CVE-2022-4121","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":"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"}]}],"ecosystem":"Ubuntu:22.04:LTS"}}}],"schema_version":"1.7.5"}