CVE-2026-54399

A remote attacker can cause a denial of service through memory exhaustion in Apache HttpComponents Core (versions 5.4.2 and earlier, and 5.5-beta1 and earlier). The root cause is an uncontrolled resource consumption vulnerability within the HTTP/1.1 message parser , triggered by sending messages ...

CVE-2026-54428

The Apache HttpComponents Core library (versions 5.4.2 and earlier, 5.5-beta1 and earlier) is vulnerable to a denial of service (DoS) attack via memory exhaustion. The root cause is the unlimited or throttled resource allocation in the HTTP/2 HPACK decoder , which allows a remote attacker to send...