{"id":"USN-4598-1","summary":"libetpan vulnerability","details":"It was discovered that LibEtPan incorrectly handled STARTTLS when using\nIMAP, SMTP and POP3. A remote attacker could possibly use this issue\nto perform a response injection attack. (CVE-2020-15953)\n","modified":"2026-04-27T18:43:21.820074Z","published":"2020-10-22T13:22:09Z","related":["UBUNTU-CVE-2020-15953"],"upstream":["CVE-2020-15953","UBUNTU-CVE-2020-15953"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-4598-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-15953"}],"affected":[{"package":{"name":"libetpan","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/libetpan@1.6-1ubuntu0.1?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.6-1ubuntu0.1"}]}],"versions":["1.5-2","1.6-1","1.6-1build1"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_version":"1.6-1ubuntu0.1","binary_name":"libetpan17"}]},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:16.04:LTS","cves":[{"id":"CVE-2020-15953","severity":[{"score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4598-1.json"}}],"schema_version":"1.7.5"}