CVE-2026-41207mediumCWE-330

CVE-2026-41207: fallo de gravedad media en netty-incubator-codec-ohttp

netty-incubator-codec-ohttp's HPKEContext operations may produce empty byte[] on failures

Publicada el · Actualizada el

Seguir esta CVE+ Monitorear netty-incubator-codec-ohttp+ Monitorear io.netty.incubator:netty-incubator-codec-ohttp

Aviso por correo cuando entre en el KEV, tenga PoC pública o suba de nota.

13Vexday Risk Score

Sin señal de explotación. Ningún artefacto público de explotación conocido hasta ahora.

ssvc Trackcvss 6.9epss 0.2%
The netty incubator codec.bhttp is a java language binary http parser. Prior to version 0.0.21.Final, HKDF_expand returns non-NULL on failure. The byte[] is filled with zeros and has no way to distinguish success from failure. Since this output is used as HKDF key material for the response AEAD, a failure silently produces an all-zero key. When EVP_HPKE_CTX_export fails it also returns an empty byte[] array filled with zeros. This byte[] feeds directly into OHttpCrypto.createResponseAEAD(...). A silent all-zero export secret would produce a deterministic, attacker-predictable AEAD key. Version 0.0.21.Final patches the issue.
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N
Productos afectados
netty · netty-incubator-codec-ohttp
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