{"id":"USN-7838-1","summary":"fetchmail vulnerability","details":"It was discovered that the fetchmail SMTP client incorrectly handled\ncertain status code messages. An attacker controlling a malicious server\ncould possibly use this issue to cause fetchmail to crash, resulting in a\ndenial of service.","modified":"2026-04-27T18:24:18.767129Z","published":"2025-10-23T16:39:33Z","related":["UBUNTU-CVE-2025-61962"],"upstream":["CVE-2025-61962","UBUNTU-CVE-2025-61962"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-7838-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2025-61962"}],"affected":[{"package":{"name":"fetchmail","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/fetchmail@6.4.27-1ubuntu0.1?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.4.27-1ubuntu0.1"}]}],"versions":["6.4.22-1","6.4.23-1","6.4.24-1","6.4.25-1","6.4.26-1","6.4.27-1"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_version":"6.4.27-1ubuntu0.1","binary_name":"fetchmail"}]},"database_specific":{"cves_map":{"cves":[{"id":"CVE-2025-61962","severity":[{"score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]}],"ecosystem":"Ubuntu:22.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7838-1.json"}},{"package":{"name":"fetchmail","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/fetchmail@6.4.38-1ubuntu4.1?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.4.38-1ubuntu4.1"}]}],"versions":["6.4.37-1","6.4.38-1ubuntu1","6.4.38-1ubuntu3","6.4.38-1ubuntu4"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_version":"6.4.38-1ubuntu4.1","binary_name":"fetchmail"}]},"database_specific":{"cves_map":{"cves":[{"id":"CVE-2025-61962","severity":[{"score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]}],"ecosystem":"Ubuntu:24.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7838-1.json"}}],"schema_version":"1.7.5"}