Security Advisory

CVE-2024-21664

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2024-01-09 19:18:03

Last updated 2025-06-17 20:59:10

Assigner GitHub_M

State PUBLISHED

Description

jwx is a Go module implementing various JWx (JWA/JWE/JWK/JWS/JWT, otherwise known as JOSE) technologies. Calling `jws.Parse` with a JSON serialized payload where the `signature` field is present while `protected` is absent can lead to a nil pointer dereference. The vulnerability can be used to crash/DOS a system doing JWS verification. This vulnerability has been patched in versions 2.0.19 and 1.2.28.

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