High (7.5) in exim exim. EPSS 62% chance of exploitation in the next 30 days.
Exim 4 before 4.94.2 has Improper Initialization that can lead to recursion-based stack consumption or other consequences. This occurs because use of certain getc functions is mishandled when a client uses BDAT instead of DATA.
Severity
CVSS 3.1
7.5 high
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
62% chance of exploitation in the next 30 days; higher than 99% of CVEs (scores of 2026-10-31)