pkg:PyPI/ujson

7 total CVEsHIGH3MEDIUM3

✅ Check your installed version

All known vulnerabilities

  • HIGH7.5CVE-2026-32875UltraJSON has an integer overflow handling large indent leads to buffer overflow or infinite loop
    >= 5.1.0, < 5.12.0
  • HIGH7.5CVE-2026-32874UltraJSON has a Memory Leak parsing large integers allows DoS
    >= 5.4.0, < 5.12.0
  • HIGH7.5CVE-2022-31116Incorrect handling of invalid surrogate pair characters
    from 0, < 5.4.0
  • MEDIUM5.9CVE-2022-31117Potential double free of buffer during string decoding
    from 0, < 5.4.0
  • MEDIUM5.5CVE-2021-45958ujson - security update
    >= 1.34, < 5.2.0
  • MEDIUM5.5CVE-2021-45958ujson - security update
    >= 4.0.2, < 5.1.0
  • —CVE-2026-44660UltraJSON has a Memory Leak in ujson.dump() on Write Failure
    from 0, < 5.12.1