CVE-2026-94054CWE-787

CVE-2026-94054

High · published September 20, 2026

CVSS v3.1
7.0
EPSS
0%
Percentile
17.9
In the wild
Unconfirmed
What it is

Exim before 4.100.1, when Proxy-Protocol is used with an attacker-controlled proxy, has an out-of-bounds write.

The record
Technical detail
CVSS v3.1
7.0 · HIGH
Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:H/A:L
CVSS v4.0
Not supplied
EPSS
0.00268 · 17.9th percentile
Weakness
CWE-787 · Out-of-bounds Write
Published
2026-09-20T03:17Z
Affected products (1)
ProductVersionsFixed in
exim/exim< 4.100.14.100.1
References (1)
https://lists.exim.org/lurker/message/20260918.121220.0f87338e.en.html · [email protected]
EPSS history
Timeline
  • 21 SEP 03:37Z
    EPSS moved — → 0%
    epss
  • 19 SEP 22:46Z
    Exim before 4.100.1, when Proxy-Protocol is used with an attacker-controlled proxy, has an out-of-bounds write
    cvelistv5