{"id":"OSV-2022-550","aliases":[],"status":"published","title":"Heap-use-after-free in mrb_bint_new_str","description":"OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=48873\n\n```\nCrash type: Heap-use-after-free READ 1\nCrash state:\nmrb_bint_new_str\nmrb_vm_exec\nmrb_vm_run\n```","facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"published":"2022-07-09T00:00:43.820059Z","modified":"2022-07-09T00:00:43Z","affected":[{"source":"osv","ecosystem":"OSS-Fuzz","package":"mruby","ranges":[{"type":"GIT","events":[{"introduced":"872020bb3d85ba4066ec19cfcad375e51fdf024b"},{"fixed":"a40842eb73164254f465ce5bac74045200e5acb0"}]}]}],"references":[{"url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=48873","tags":["report"]}],"sources":{"osv":[{"id":"OSV-2022-550","title":"Heap-use-after-free in mrb_bint_new_str","description":"OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=48873\n\n```\nCrash type: Heap-use-after-free READ 1\nCrash state:\nmrb_bint_new_str\nmrb_vm_exec\nmrb_vm_run\n```\n","status":"published","published":"2022-07-09T00:00:43.820059Z","modified":"2022-07-09T00:00:43.820285Z","updated_at":"2026-11-02T15:52:49.511349Z"}]}}