CVE-2026-54399 Apache HttpComponents Core: Unbounded HTTP Header/Line Length in Default Configuration

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...

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 ...

Netty: Unbounded pre-allocation in RedisArrayAggregator from RESP array length

Summary RedisArrayAggregator pre-allocates ArrayList with initial capacity equal to the RESP array element count declared in an array header. That count is taken from the wire before the corresponding child messages exist. A small malicious header can claim a huge initial capacity. Details The...

EUVD-2025-206781

Water-Melon Melon commit 9df9292 and below is vulnerable to Denial of Service. The HTTP component doesn't have any maximum length. As a result, an excessive request header could cause a denial of service by consuming RAM memory...