{"id":"OSV-2023-118","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=56406\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":"2023-02-28T13:01:59.017116Z","modified":"2023-02-28T13:01:59Z","affected":[{"source":"osv","ecosystem":"OSS-Fuzz","package":"mruby","ranges":[{"type":"GIT","events":[{"introduced":"0a1fd07910f534f0585fa74f9abde261ca6786eb"},{"fixed":"321cfe97605de8f050ac9be597069e370d5d9da3"}]}],"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=56406","tags":["report"]}],"sources":{"osv":[{"id":"OSV-2023-118","title":"Heap-use-after-free in mrb_gc_mark","description":"OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=56406\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":"2023-02-28T13:01:59.017116Z","modified":"2023-02-28T13:01:59.017399Z","updated_at":"2026-11-02T15:52:49.511349Z"}]}}