CVE-2026-54399
HIGH
NVD
CVSS Score
7.5
Severity
HIGH
Published
Jul 01, 2026
Vendor
unknown
Description
Uncontrolled Resource Consumption vulnerability in the HTTP/1.1 message parser in Apache HttpComponents Core (5.4.2 and earlier, 5.5-beta1 and earlier) allows an remote attacker to cause a denial of service through memory exhaustion by sending messages with excessive number of headers / excessive header length