{"id":"OSV-2021-891","aliases":[],"status":"published","title":"Heap-buffer-overflow in __cil_cat_expr_range_to_bitmap_helper","description":"OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=35492\n\n```\nCrash type: Heap-buffer-overflow READ 4\nCrash state:\n__cil_cat_expr_range_to_bitmap_helper\n__cil_expr_to_bitmap\n__evaluate_cat_expression\n```","facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"published":"2021-06-24T00:00:40.542962Z","modified":"2022-04-13T03:04:42Z","affected":[{"source":"osv","ecosystem":"OSS-Fuzz","package":"selinux","ranges":[{"type":"GIT","events":[{"introduced":"982ec302b67f3c7f8df667dadb67352b1e4a6d18"},{"fixed":"8470058934e89d1876b8e034d1ea818bde62b994"}]}]}],"references":[{"url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=35492","tags":["report"]}],"sources":{"osv":[{"id":"OSV-2021-891","title":"Heap-buffer-overflow in __cil_cat_expr_range_to_bitmap_helper","description":"OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=35492\n\n```\nCrash type: Heap-buffer-overflow READ 4\nCrash state:\n__cil_cat_expr_range_to_bitmap_helper\n__cil_expr_to_bitmap\n__evaluate_cat_expression\n```\n","status":"published","published":"2021-06-24T00:00:40.542962Z","modified":"2022-04-13T03:04:42.328918Z","updated_at":"2026-11-02T15:52:49.275624Z"}]}}