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GitHub Advisory Database

Security vulnerability database inclusive of CVEs and GitHub originated security advisories from the world of open source software.

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4 advisories

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UltraJSON has a Memory Leak parsing large integers allows DoS High
CVE-2026-32874 was published for ujson (pip) Mar 18, 2026
Skevros Credited to Skevros and bwoodsend bwoodsend bwoodsend
UltraJSON has an integer overflow handling large indent leads to buffer overflow or infinite loop High
CVE-2026-32875 was published for ujson (pip) Mar 18, 2026
vmfunc Credited to vmfunc and bwoodsend bwoodsend bwoodsend
UltraJSON has a Memory Leak in ujson.dump() on Write Failure High
CVE-2026-44660 was published for ujson (pip) May 12, 2026
Zwique Credited to Zwique, bwoodsend, hugovk, and BeBecpp bwoodsend bwoodsend
hugovk hugovk BeBecpp BeBecpp
UltraJSON: Malformed/Truncated UTF-8 Accepted and Silently Rewritten in ujson.dumps() Moderate
CVE-2026-54911 was published for ujson (pip) Jun 19, 2026
Zwique Credited to Zwique, bwoodsend, and hugovk bwoodsend bwoodsend
hugovk hugovk
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