{"id":"OSV-2021-804","aliases":[],"status":"published","title":"Heap-use-after-free in AK::NonnullOwnPtr\u003cJS::IndexedPropertyStorage\u003e::operator-\u003e","description":"OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=34688\n\n```\nCrash type: Heap-use-after-free READ 8\nCrash state:\nAK::NonnullOwnPtr\u003cJS::IndexedPropertyStorage\u003e::operator-\u003e\nJS::IndexedProperties::array_like_size\nJS::IndexedProperties::append\n```","facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"published":"2021-05-27T00:01:21.705422Z","modified":"2022-04-13T03:04:32Z","affected":[{"source":"osv","ecosystem":"OSS-Fuzz","package":"serenity","ranges":[{"type":"GIT","events":[{"introduced":"51b880b0383089822f513330cd64f93b54b9f21c"},{"fixed":"988dfa7f3322865bda6d74a0116cad7855d5d3a8"}]}]}],"references":[{"url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=34688","tags":["report"]}],"sources":{"osv":[{"id":"OSV-2021-804","title":"Heap-use-after-free in AK::NonnullOwnPtr\u003cJS::IndexedPropertyStorage\u003e::operator-\u003e","description":"OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=34688\n\n```\nCrash type: Heap-use-after-free READ 8\nCrash state:\nAK::NonnullOwnPtr\u003cJS::IndexedPropertyStorage\u003e::operator-\u003e\nJS::IndexedProperties::array_like_size\nJS::IndexedProperties::append\n```\n","status":"published","published":"2021-05-27T00:01:21.705422Z","modified":"2022-04-13T03:04:32.15014Z","updated_at":"2026-11-02T15:52:49.275624Z"}]}}