Dashboard / CVE-2026-125393

CVE-2026-125393

HIGH
MEDIUM Priority: 0.02 BB Relevance: 64/100
Published: 2026-11-10 Modified: 2026-11-14 First seen: 2026-11-10 Status: active

Attack Surface

Network Low Complexity No Interaction

CVSS Vector Breakdown

AV: Network
AC: Low
PR: Low
UI: None
S: X
AT: None
VC: None
VI: None
VA: High

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.

Weakness Classification (1)

Affected Software (2)

VendorProductVersion
MailEnable MailEnable Enterprise Premium 0 < 10.62
MailEnable MailEnable Enterprise Premium 0 < 10.62

References & Advisories (2)

Bug Bounty Relevance

64 / 100
✓ Network accessible
✓ Low complexity
✓ No user interaction

CVSS Score

7.1 / 10.0 v4.0
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS — Exploitation Probability

0.27%
Raw Score 0.002730
Percentile 19.9%
Date 2026-11-14

EPSS Trend

2026-11-14
0.00273
2026-11-13
0.00273
2026-11-12
0.00273
2026-11-10
0.00273

Intelligence Sources

mitre ref →
nvd ref →

External Links