All the vulnerabilities related to the version 0.2.4 of the package
json-schema is vulnerable to Prototype Pollution
json-schema before version 0.4.0 is vulnerable to Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution').
Prototype Pollution in node-jsonpointer
This affects the package jsonpointer before 5.0.0. A type confusion vulnerability can lead to a bypass of a previous Prototype Pollution fix when the pointer components are arrays.