Json-Jwt Security Vulnerabilities - February

CVE-2018-1000539

Nov json-jwt version >= 0.5.0 && < 1.9.4 contains a CWE-347: Improper Verification of Cryptographic Signature vulnerability in Decryption of AES-GCM encrypted JSON Web Tokens that can result in Attacker can forge a authentication tag. This attack appear to be exploitable via network connectiv...

CVE-2019-18848

The json-jwt gem before 1.11.0 for Ruby lacks an element count during the splitting of a JWE string.