Exim before 4.100.1, when Proxy-Protocol is used with an attacker-controlled proxy, allows attackers to read certain uninitialized data from stack memory.
https://lists.exim.org/lurker/message/20260918.121220.0f87338e.en.html
Source: Mitre, NVD
Published: 2026-09-19
Updated: 2026-09-19
Base Score: 6.1
Vector: CVSS2#AV:N/AC:H/Au:N/C:C/I:N/A:P
Severity: Medium
Base Score: 7.5
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:L
Severity: High
EPSS: 0.00245