Apache HTTP Server mod_cluster before version httpd 2.4.23 is vulnerable to an Improper Input Validation in the protocol parsing logic in the load balancer resulting in a Segmentation Fault in the serving httpd process.
Severity
CVSS 3.0
4.3 medium
CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
EPSS
4.4% chance of exploitation in the next 30 days; higher than 91% of CVEs (scores of 2026-10-31)