What is GHSA-j8wv-w3cw-c6x3?

GHSA-j8wv-w3cw-c6x3 is a security advisory published by GitHub Security Advisories with High severity. MailEnable Enterprise Premium before 10.62 contains a heap overflow vulnerability in the IMAP X...

Which CVE IDs does GHSA-j8wv-w3cw-c6x3 cover?

GHSA-j8wv-w3cw-c6x3 covers the following CVE IDs: CVE-2026-125393. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-j8wv-w3cw-c6x3?

GHSA-j8wv-w3cw-c6x3 has a CVSS v3 base score of 6.5, published by GitHub Security Advisories.

GHSA-j8wv-w3cw-c6x3HighCVSS 6.5

MailEnable Enterprise Premium before 10.62 contains a heap overflow vulnerability in the IMAP X...

Vendor

GitHub Security Advisories

Published

November 10, 2026

Last Modified

November 10, 2026

🔗 CVE IDs covered (1)

CVE-2026-125393 →

📋 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.

🔗 References (4)

https://nvd.nist.gov/vuln/detail/CVE-2026-125393
https://www.mailenable.com/Premium-ReleaseNotes.txt
https://www.vulncheck.com/advisories/mailenable-enterprise-premium-before-10.62-heap-overflow-via-imap-x-fb-fetch
https://github.com/advisories/GHSA-j8wv-w3cw-c6x3