{"id":"OSV-2017-83","aliases":[],"status":"published","title":"Heap-buffer-overflow in idn2_lookup_u8","description":"OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=2262\n\n```\nCrash type: Heap-buffer-overflow READ 4\nCrash state:\nidn2_lookup_u8\n_psl_idna_toASCII\n_add_punycode_if_needed\n```","facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"published":"2021-01-13T21:57:36.312189Z","modified":"2022-04-13T03:04:39Z","affected":[{"source":"osv","ecosystem":"OSS-Fuzz","package":"libpsl","ranges":[{"type":"GIT","events":[{"introduced":"666c07b36418334435077f04583c37a45a8f6722"},{"fixed":"0cbb7089f60931870d19c9fc323fa0cccafd8907"}]}]}],"references":[{"url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=2262","tags":["report"]}],"sources":{"osv":[{"id":"OSV-2017-83","title":"Heap-buffer-overflow in idn2_lookup_u8","description":"OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=2262\n\n```\nCrash type: Heap-buffer-overflow READ 4\nCrash state:\nidn2_lookup_u8\n_psl_idna_toASCII\n_add_punycode_if_needed\n```\n","status":"published","published":"2021-01-13T21:57:36.312189Z","modified":"2022-04-13T03:04:39.97425Z","updated_at":"2026-11-02T15:52:47.981622Z"}]}}