CVE-2024-21664

MEDIUM

Lestrrat-go Jwx < 2.0.19 - NULL Pointer Dereference

Title source: rule
STIX 2.1

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.

References (4)

Core 4

Scores

CVSS v3 4.3
EPSS 0.0018
EPSS Percentile 39.0%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact partial

Details

CWE
CWE-476
Status published
Products (3)
lestrrat-go/jwx < 2.0.19
lestrrat-go/jwx 0 - 2.0.19Go
lestrrat-go/jwx 1.0.8 - 1.2.28Go
Published Jan 09, 2024
Tracked Since Feb 18, 2026