Medium (5.3) in apache http server. EPSS 56% chance of exploitation in the next 30 days.
Prior to Apache HTTP Server 2.4.55, a malicious backend can cause the response headers to be truncated early, resulting in some headers being incorporated into the response body. If the later headers have any security purpose, they will not be interpreted by the client.
Severity
CVSS 3.1
5.3 medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
EPSS
56% chance of exploitation in the next 30 days; higher than 99% of CVEs (scores of 2026-10-31)