CVE-2026-93491
HIGH
NVD
CVSS Score
7.5
Severity
HIGH
Published
Sep 18, 2026
Vendor
unknown
Description
A flaw was found in Netty's HttpServerCodec. A remote, unauthenticated attacker can exploit this vulnerability by pipelining HTTP/1.1 requests on a single connection and withholding reads. This action causes the methodOverflowQueue to grow without limit, leading to unbounded heap memory consumption and a denial of service due to memory exhaustion.