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CVSS v3.1
6.8
EPSS
0.57%
Published
Mar 8, 2024
Modified
Dec 5, 2025
Public PoC / Exploit (1)
All weaponized →Links to public security research (Exploit-DB, Nuclei, Trickest, GitHub) for defensive use only.
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.
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:HWeaknesses (CWE)
Affected Products (2)
References (6)