CVE-2023-30421

mystrtod in mjson 1.2.7 requires more than a billion iterations during processing of certain digit strings such as 8891110122900e913013935755114.

CVE-2023-34611

An issue was discovered mjson thru 1.4.1 allows attackers to cause a denial of service or other unspecified impacts via crafted object that uses cyclic dependencies.