{"id":"OSV-2021-840","aliases":[],"status":"published","title":"Use-after-poison in AK::RefPtr\u003cAK::StringImpl, AK::RefPtrTraits\u003cAK::StringImpl\u003e \u003e::RefPtr","description":"OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=34971\n\n```\nCrash type: Use-after-poison WRITE 8\nCrash state:\nAK::RefPtr\u003cAK::StringImpl, AK::RefPtrTraits\u003cAK::StringImpl\u003e \u003e::RefPtr\nAK::String::String\nJS::abstract_relation\n```","facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"published":"2021-06-07T00:00:35.428789Z","modified":"2022-04-13T03:04:32Z","affected":[{"source":"osv","ecosystem":"OSS-Fuzz","package":"serenity","ranges":[{"type":"GIT","events":[{"introduced":"09233b9e4139baedb516659fa30876edcb7bf436"},{"fixed":"442ef6300826816c115462f19df4c168a04415d5"},{"fixed":"2c8309c841419d74ab1cd8f13ce92194b80594c3"}]}]}],"references":[{"url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=34971","tags":["report"]}],"sources":{"osv":[{"id":"OSV-2021-840","title":"Use-after-poison in AK::RefPtr\u003cAK::StringImpl, AK::RefPtrTraits\u003cAK::StringImpl\u003e \u003e::RefPtr","description":"OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=34971\n\n```\nCrash type: Use-after-poison WRITE 8\nCrash state:\nAK::RefPtr\u003cAK::StringImpl, AK::RefPtrTraits\u003cAK::StringImpl\u003e \u003e::RefPtr\nAK::String::String\nJS::abstract_relation\n```\n","status":"published","published":"2021-06-07T00:00:35.428789Z","modified":"2022-04-13T03:04:32.175811Z","updated_at":"2026-11-02T15:52:49.275624Z"}]}}