Vulnerabilities in ultrajson
6 resultsCVE-2022-31116HIGHIncorrect handling of invalid surrogate pair characters in ujsonEPSS 1.8%CVE-2022-31117MEDIUMDouble free of buffer during string decoding in ujsonEPSS 1.4%CVE-2026-32874HIGHUltraJSON has a Memory Leak parsing large integers allows DoSEPSS 0.4%CVE-2026-44660HIGHUltraJSON: Memory Leak in ujson.dump() on Write FailureEPSS 0.4%CVE-2026-32875HIGHUltraJSON has an integer overflow handling large indent leads to buffer overflow or infinite loopEPSS 0.4%CVE-2026-54911MEDIUMUltraJSON: Malformed/Truncated UTF-8 Accepted and Silently Rewritten in ujson.dumps()EPSS 0.3%