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ujson

PyPI · Package
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UltraJSON has a Memory Leak in ujson.dump() on Write FailureCVE-2026-44660 · GHSA-C38F-WX89-P2XGVersion ranges need review. ujsonExploit Intelligence/exploit-intelligence-tech-preview/vulnerability-analysis-rhel9 PyPIRed Hat High Fix reported
UltraJSON: Malformed/Truncated UTF-8 Accepted and Silently Rewritten in ujson.dumps()CVE-2026-54911 · GHSA-3J69-69WJ-XQX2Version ranges need review. ujsonExploit Intelligence/exploit-intelligence-tech-preview/vulnerability-analysis-rhel9 PyPIRed Hat Medium Fix reported
UltraJSON has a Memory Leak parsing large integers allows DoS CVE-2026-32874 · GHSA-WGVC-GHV9-3PMMVersion ranges need review. ujson PyPI High Fix reported
UltraJSON has an integer overflow handling large indent leads to buffer overflow or infinite loopCVE-2026-32875 · GHSA-C8RR-9GXC-JPRVVersion ranges need review. ujson PyPI High Fix reported
Incorrect handling of invalid surrogate pair charactersCVE-2022-31116 · GHSA-WPQR-JCPX-745RVersion ranges need review. ujsonRed Hat OpenStack Platform 13 (Queens)/python-ujson PyPIRed Hat High Fix reported
Potential double free of buffer during string decodingCVE-2022-31117 · GHSA-FM67-CV37-96FFVersion ranges need review. ujsonRed Hat OpenStack Platform 13 (Queens)/python-ujson PyPIRed Hat Medium Fix reported
UltraJSON vulnerable to Out-of-bounds WriteCVE-2021-45958 · GHSA-FH56-85CW-5PQ6Version ranges need review. ujson PyPI Medium Fix reported