{"id":"OSV-2021-669","aliases":[],"status":"published","title":"Heap-buffer-overflow in _estrdup","description":"OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=33495\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":"2021-04-22T00:00:12.106706Z","modified":"2022-04-13T03:04:33Z","affected":[{"source":"osv","ecosystem":"OSS-Fuzz","package":"php","ranges":[{"type":"GIT","events":[{"introduced":"2bebe104c127582e9b9ab5d165717ebee44e8afc"},{"fixed":"8bb81226c167e0c90a1f87357e9abd32c05076c8"},{"fixed":"c4a749c932f4ae54b2730420dbc45bf0365b8984"}]}]}],"references":[{"url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=33495","tags":["report"]}],"sources":{"osv":[{"id":"OSV-2021-669","title":"Heap-buffer-overflow in _estrdup","description":"OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=33495\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":"2021-04-22T00:00:12.106706Z","modified":"2022-04-13T03:04:33.389993Z","updated_at":"2026-11-02T15:52:49.04248Z"}]}}