ruby-json-jwt vulnerabilities (Debian)

2 vulnerabilities.

• ruby-json-jwt Debian JSON-jwt Gem lacked element count during splitting of JWE string CVE-2019-18848 Fix available 7.5 HighNovember 12, 2019
• ruby-json-jwt Debian Json-jwt did not verify the cryptographic signature for data CVE-2018-1000539 Fix available 5.3 MediumJune 26, 2018