HIGH 7.1 NVD
CVE-2026-125393
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 f
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.
References
- https://www.mailenable.com/Premium-ReleaseNotes.txt
- https://www.vulncheck.com/advisories/mailenable-enterprise-premium-before-10.62-heap-overf
This high severity vulnerability with a CVSS score of 7.1 was published on 2026-11-10 via NVD.
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