CVE-2026-93491 - Io.netty/netty-codec-http: netty: denial of service via unbounded httpservercodec http/1.1 pipeline queue

CVE-2026-93491 - Io.netty/netty-codec-http: netty: denial of service via unbounded httpservercodec http/1.1 pipeline queue

https://cvefeed.io/rssfeed/latest.atom / Fri, 09/18/2026 - 16:32
CVE ID :CVE-2026-93491
Published : Sept. 18, 2026, 12:43 p.m. | 25 minutes ago
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.
Severity: 7.5 | HIGH
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