GJSON is a Go package that provides a fast and simple way to get values from a json document. GJSON before 1.9.3 allows a ReDoS (regular expression denial of service) attack.
github.com/tidwall/gjson
github.com/tidwall/gjson/commit/590010fdac311cc8990ef5c97448d4fec8f29944
github.com/tidwall/gjson/commit/77a57fda87dca6d0d7d4627d512a630f89a91c96
github.com/tidwall/gjson/compare/v1.9.2...v1.9.3
github.com/tidwall/gjson/issues/236
github.com/tidwall/gjson/issues/237
nvd.nist.gov/vuln/detail/CVE-2021-42836
pkg.go.dev/vuln/GO-2021-0265