CVE-2019-18848 (json-jwt): json-jwt improper input validation due to lack of element count when splitting string

json-jwt improper input validation due to lack of element count when splitting string

Published: November 14, 2019

CVE: CVE-2019-18848 (NVD)
GHSA: GHSA-cff7-6h4q-q5pj
Vendor Advisory: https://github.com/nov/json-jwt/commit/ada16e772906efdd035e3df49cb2ae372f0f948a

CVSS v3.x: 7.5 (High)

>= 1.11.0

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