{"id":"OSV-2026-1070","aliases":[],"status":"published","title":"UNKNOWN READ in bytes1_char_at","description":"OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=538179114\n\n```\nCrash type: UNKNOWN READ\nCrash state:\nbytes1_char_at\nunicode_word_left\nunicode_at_boundary\n```","facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"published":"2026-07-28T07:16:10.362836Z","modified":"2026-07-28T07:16:10Z","affected":[{"source":"osv","ecosystem":"PyPI","package":"mrab-regex","ranges":[{"type":"GIT","events":[{"introduced":"07dfa3b6b2d5a30919ac8564c1542a4487d40f8e"},{"fixed":"0e8cb0596ba6572c66e5d153a1d7c901b381e15e"}]}],"versions":["2026.7.19","2026.8.12","2026.8.30","2026.8.31","2026.9.1","2026.9.10","2026.9.19","2026.9.2","2026.9.3","2026.9.9"]}],"references":[{"url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=538179114","tags":["report"]}],"sources":{"osv":[{"id":"OSV-2026-1070","title":"UNKNOWN READ in bytes1_char_at","description":"OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=538179114\n\n```\nCrash type: UNKNOWN READ\nCrash state:\nbytes1_char_at\nunicode_word_left\nunicode_at_boundary\n```\n","status":"published","published":"2026-07-28T07:16:10.362836Z","modified":"2026-07-28T07:16:10.363201Z","updated_at":"2026-11-02T15:52:50.263679Z"}]}}