{"id":"OSV-2023-282","aliases":[],"status":"published","title":"Heap-use-after-free in mrb_gc_mark","description":"OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=57703\n\n```\nCrash type: Heap-use-after-free READ 4\nCrash state:\nmrb_gc_mark\nmrb_gc_mark_iv\ngc_mark_children\n```","facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"published":"2023-04-06T14:00:33.294122Z","modified":"2023-04-06T14:00:33Z","affected":[{"source":"osv","ecosystem":"OSS-Fuzz","package":"mruby","ranges":[{"type":"GIT","events":[{"introduced":"2de602b8696bc21e4cbc2c6e08e2fae27b1ad79b"},{"fixed":"b47c8b738ae3e400ec02269fae9857222218e9d5"}]}]}],"references":[{"url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=57703","tags":["report"]}],"sources":{"osv":[{"id":"OSV-2023-282","title":"Heap-use-after-free in mrb_gc_mark","description":"OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=57703\n\n```\nCrash type: Heap-use-after-free READ 4\nCrash state:\nmrb_gc_mark\nmrb_gc_mark_iv\ngc_mark_children\n```\n","status":"published","published":"2023-04-06T14:00:33.294122Z","modified":"2023-04-06T14:00:33.294356Z","updated_at":"2026-11-02T15:52:49.747775Z"}]}}