{"id":"OSV-2023-366","aliases":[],"status":"published","title":"Heap-use-after-free in gc_mark_children","description":"OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=58577\n\n```\nCrash type: Heap-use-after-free READ 4\nCrash state:\ngc_mark_children\nincremental_gc\nmrb_full_gc\n```","facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"published":"2023-05-04T14:02:02.626247Z","modified":"2023-06-13T05:21:25Z","affected":[{"source":"osv","ecosystem":"OSS-Fuzz","package":"mruby","ranges":[{"type":"GIT","events":[{"introduced":"672495555bb741aefbde2f31a523f7ed8666d2c6"},{"fixed":"b47c8b738ae3e400ec02269fae9857222218e9d5"}]}],"versions":["3.2.0","3.2.0-rc","3.2.0-rc2","3.2.0-rc3","3.2.0-rc4"]}],"references":[{"url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=58577","tags":["report"]}],"sources":{"osv":[{"id":"OSV-2023-366","title":"Heap-use-after-free in gc_mark_children","description":"OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=58577\n\n```\nCrash type: Heap-use-after-free READ 4\nCrash state:\ngc_mark_children\nincremental_gc\nmrb_full_gc\n```\n","status":"published","published":"2023-05-04T14:02:02.626247Z","modified":"2023-06-13T05:21:25.752073Z","updated_at":"2026-11-02T15:52:49.747775Z"}]}}