{"id":"OSV-2021-926","aliases":[],"status":"published","title":"Heap-use-after-free in zend_gc_addref","description":"OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=35876\n\n```\nCrash type: Heap-use-after-free READ 4\nCrash state:\nzend_gc_addref\nZEND_ASSIGN_OP_SPEC_VAR_TMPVAR_HANDLER\nfuzzer_execute_ex\n```","facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"published":"2021-07-08T00:00:29.564756Z","modified":"2022-04-13T03:04:33Z","affected":[{"source":"osv","ecosystem":"OSS-Fuzz","package":"php","ranges":[{"type":"GIT","events":[{"introduced":"540fed1b3654339fc4683ed128f7a1c351e34c4f"},{"fixed":"62ecf54f35e227d09d19ec40920f7bb8d29e9356"}]}]}],"references":[{"url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=35876","tags":["report"]}],"sources":{"osv":[{"id":"OSV-2021-926","title":"Heap-use-after-free in zend_gc_addref","description":"OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=35876\n\n```\nCrash type: Heap-use-after-free READ 4\nCrash state:\nzend_gc_addref\nZEND_ASSIGN_OP_SPEC_VAR_TMPVAR_HANDLER\nfuzzer_execute_ex\n```\n","status":"published","published":"2021-07-08T00:00:29.564756Z","modified":"2022-04-13T03:04:33.657097Z","updated_at":"2026-11-02T15:52:49.275624Z"}]}}