NULL pointer dereference in Lestrrat-go Jwx

CVE-2024-21664

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 ni…

EPSS: 0.009 (54.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2024-21664?
CVE-2024-21664 is a medium-severity vulnerability in Lestrrat-go Jwx, classified under NULL Pointer Dereference. CVSS score: 4.3/10. Published 2024-01-09.
How severe is CVE-2024-21664?
Medium severity. CVSS v3 base score is 4.3 out of 10.
Is CVE-2024-21664 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.