netty-codec-http is vulnerable to Denial of Service (DoS)
75
High Risk
This row consolidates the HTTP/1.x (netty-codec-http) security fixes in this release. GHSA-pvjx-v7vp-62vq: HttpServerCodec spills pipelined request methods into an unbounded overflow queue, so a client that pipelines many requests without reading responses exhausts heap. GHSA-2g37-3h88-55hc: WebSocketServerExtensionHandler keeps an unbounded per connection queue that grows one entry per request until an OutOfMemoryError. GHSA-rmcw-9fcq-wjq7: SpdySessionHandler places no limit on concurrent remote-initiated SPDY streams, allowing memory exhaustion. GHSA-rq4j-fc47-9698: chunk-extension validation runs only when a ; marker is present, so a carriage return in the chunk-size line bypasses it and enables request smuggling. GHSA-j4mg-hqgv-34qc: post-digit whitespace or control bytes in a chunk-size token are silently truncated, enabling smuggling. GHSA-hcvj-94mj-jp5c, GHSA-3jrc-fchc-59pw, and CVE-2026-89044 (GHSA-77qf-r755-9gcw): malformed or split Transfer-Encoding values where chunked is not the final coding are still treated as chunked, enabling request smuggling. GHSA-h75q-xqrh-59rf: RtspMethods.valueOf() trims trailing control bytes before lookup, letting method tokens such as PLAY\u0000 smuggle past upstream authorization. The fixes add pipeline, stream, and queue bounds and stricter chunk and Transfer-Encoding validation.
You are affected if you are using a version that falls within the vulnerable range and your server accepts HTTP/1.1 traffic, including pipelined requests, from untrusted clients.
netty-codec-http is vulnerable to Denial of Service (DoS) in versions 4.1.0.Final - 4.1.137.Final and 4.2.0.Final - 4.2.17.Final.
Upgrade the io.netty:netty-codec-http library to the patch version.
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