{"id":"OSV-2021-1809","aliases":[],"status":"published","title":"Heap-buffer-overflow in ujson.cpython-38-x86_64-linux-gnu.so","description":"OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=44973\n\n```\nCrash type: Heap-buffer-overflow WRITE 1\nCrash state:\nujson.cpython-38-x86_64-linux-gnu.so\nujson.cpython-38-x86_64-linux-gnu.so\nujson.cpython-38-x86_64-linux-gnu.so\n```","facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"published":"2022-02-25T00:00:25.106722Z","modified":"2022-05-19T00:55:00Z","affected":[{"source":"osv","ecosystem":"PyPI","package":"ujson","ranges":[{"type":"GIT","events":[{"introduced":"b9275f7b001da11495040f1332f6c3adf3daa57b"},{"fixed":"f6860f1f3d8d4e92b9be0e5815355a8976c6e75b"},{"fixed":"550ba4d77294e61597a5259d00769c61281e0042"}]}],"versions":["5.1.0"]}],"references":[{"url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=44973","tags":["report"]}],"sources":{"osv":[{"id":"OSV-2021-1809","title":"Heap-buffer-overflow in ujson.cpython-38-x86_64-linux-gnu.so","description":"OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=44973\n\n```\nCrash type: Heap-buffer-overflow WRITE 1\nCrash state:\nujson.cpython-38-x86_64-linux-gnu.so\nujson.cpython-38-x86_64-linux-gnu.so\nujson.cpython-38-x86_64-linux-gnu.so\n```\n","status":"published","published":"2022-02-25T00:00:25.106722Z","modified":"2022-05-19T00:55:00.970552Z","updated_at":"2026-11-02T15:52:49.04248Z"}]}}