Description

JWX is Go module implementing various JWx (JWA/JWE/JWK/JWS/JWT, otherwise known as JOSE) technologies. This vulnerability allows an attacker with a trusted public key to cause a Denial-of-Service (DoS) condition by crafting a malicious JSON Web Encryption (JWE) token with an exceptionally high compression ratio. This issue has been patched in versions 1.2.29 and 2.0.21.

Classification

CVE ID: CVE-2024-28122

CVSS Base Severity: MEDIUM

CVSS Base Score: 6.8

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H

Affected Products

Vendor: lestrrat-go

Product: jwx

Exploit Prediction Scoring System (EPSS)

EPSS Score: 0.03% (probability of being exploited)

EPSS Percentile: 8.35% (scored less or equal to compared to others)

EPSS Date: 2025-04-18 (when was this score calculated)

Stakeholder-Specific Vulnerability Categorization (SSVC)

SSVC Exploitation: poc

SSVC Technical Impact: partial

SSVC Automatable: false

References

https://nvd.nist.gov/vuln/detail/CVE-2024-28122
https://github.com/lestrrat-go/jwx/security/advisories/GHSA-hj3v-m684-v259
https://github.com/lestrrat-go/jwx/releases/tag/v1.2.29
https://github.com/lestrrat-go/jwx/releases/tag/v2.0.21

Timeline