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CVE-2024-21664

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CVE-2024-21664

Published: Jan 9, 2024

Modified: Jun 17, 2025

PUBLISHED

CVSS v3.1

4.3

MEDIUM

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.

VendorProductVersions

lestrrat-go

jwx

affected
>= 2.0.0, < 2.0.19
affected
>= 1.0.8, < 1.2.28

Weaknesses (CWE)

CWE-476

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

Low

References

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