{"id":"OSV-2021-509","aliases":[],"status":"published","title":"Heap-buffer-overflow in _estrdup","description":"OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=31922\n\n```\nCrash type: Heap-buffer-overflow READ {*}\nCrash state:\n_estrdup\nexif_process_user_comment\nexif_process_IFD_TAG_impl\n```","facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"published":"2021-03-11T00:00:07.409097Z","modified":"2022-04-13T03:04:33Z","affected":[{"source":"osv","ecosystem":"OSS-Fuzz","package":"php","ranges":[{"type":"GIT","events":[{"introduced":"1d5f359f5671dc26df5369b00aab1bbf1f40c65b"},{"fixed":"65859fe17e2d0b39a7376704e46b9d240d4d2ef7"}]}]}],"references":[{"url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=31922","tags":["report"]}],"sources":{"osv":[{"id":"OSV-2021-509","title":"Heap-buffer-overflow in _estrdup","description":"OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=31922\n\n```\nCrash type: Heap-buffer-overflow READ {*}\nCrash state:\n_estrdup\nexif_process_user_comment\nexif_process_IFD_TAG_impl\n```\n","status":"published","published":"2021-03-11T00:00:07.409097Z","modified":"2022-04-13T03:04:33.422383Z","updated_at":"2026-11-02T15:52:49.04248Z"}]}}