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netty-incubator-codec-ohttp · denial of service

CVSS 4.0 8.7 HIGHCheck source for fixed versionsKEV status unknown

cve-program · CVE-2026-54251

Published

netty-incubator-codec-ohttp implements Oblivious HTTP (OHTTP) gateway and client functionality using Netty. Prior to 0.0.23.Final, the OHTTP gateway decryption path in codec-ohttp/src/main/java/io/netty/incubator/codec/ohttp/OHttpRequestResponseContext.java allocates a pooled direct ByteBuf for decrypted plaintext before the AEAD tag is verified. When an invalid tag causes decryptChunk() to throw CryptoException, OHttpRequestResponseContext.decodeChunk() does not release the ByteBuf because the allocation is not guarded by try/finally. Repeated invalid encrypted requests can therefore leak native off-heap memory until the gateway is unable to continue serving requests. This issue is fixed in version 0.0.23.Final.

Read the publisher's advisory

Affected versions, risk and source history

cve-program · CVE-2026-54251

Published

netty-incubator-codec-ohttp

Vendor product

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "netty",
                    "product": "netty-incubator-codec-ohttp",
                    "versions": [
                        {
                            "version": "< 0.0.23.Final",
                            "status": "affected"
                        }
                    ]
                }

netty-incubator-codec-ohttp

Vendor product

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "io.netty.incubator",
                    "product": "netty-incubator-codec-ohttp",
                    "versions": [
                        {
                            "version": "< 0.0.23.Final",
                            "status": "affected"
                        }
                    ]
                }

Original source record · Cite this exact observation · Complete original publisher JSON

ChangeIntel

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Sources read 13 Nov 13:11 UTC · 274 of 275 readable · 273 fully read · documentation 469/469 current