{"id":"CVE-2026-125393","published":"2026-11-10T00:17:13.197","lastModified":"2026-11-10T00:17:13.197","description":"MailEnable Enterprise Premium before 10.62 contains a heap overflow vulnerability in the IMAP X-FB-FETCH command that allows authenticated users to overflow a fixed 0x400-byte heap buffer. Attackers can supply an X-FB-USER address longer than about 1016 bytes, which is formatted without a length check, to crash the IMAP service and cause denial of service.","cvssScore":6.5,"cvssSeverity":"MEDIUM","cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","cwes":["CWE-122"],"vendors":[],"products":[],"references":[{"url":"https://www.mailenable.com/Premium-ReleaseNotes.txt","tags":[]},{"url":"https://www.vulncheck.com/advisories/mailenable-enterprise-premium-before-10.62-heap-overflow-via-imap-x-fb-fetch","tags":[]}],"exploitRefs":[],"hasPoc":false,"ai":null}