{"id":"OSV-2021-955","aliases":[],"status":"published","title":"Stack-buffer-overflow in Buffer_AppendIndentUnchecked","description":"OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=36009\n\n```\nCrash type: Stack-buffer-overflow WRITE 1\nCrash state:\nBuffer_AppendIndentUnchecked\nencode\nencode\n```","facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"published":"2021-07-11T00:01:05.153778Z","modified":"2022-05-19T00:45:08Z","affected":[{"source":"osv","ecosystem":"PyPI","package":"ujson","ranges":[{"type":"GIT","events":[{"introduced":"0c52200eb4e2d97e548a765d5f089858c41967b0"},{"fixed":"f6860f1f3d8d4e92b9be0e5815355a8976c6e75b"},{"fixed":"5525f8c9ef8bb879dadd0eb942d524827d1b0362"}]}],"versions":["2.0.0","2.0.1","2.0.2","2.0.3","3.0.0","3.1.0","3.2.0","4.0.0","4.0.1","4.0.2","4.1.0","4.2.0","4.3.0","5.0.0","5.1.0","v1.34","v1.35"]}],"references":[{"url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=36009","tags":["report"]}],"sources":{"osv":[{"id":"OSV-2021-955","title":"Stack-buffer-overflow in Buffer_AppendIndentUnchecked","description":"OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=36009\n\n```\nCrash type: Stack-buffer-overflow WRITE 1\nCrash state:\nBuffer_AppendIndentUnchecked\nencode\nencode\n```\n","status":"published","published":"2021-07-11T00:01:05.153778Z","modified":"2022-05-19T00:45:08.957102Z","updated_at":"2026-11-02T15:52:49.275624Z"}]}}