{"id":"OSV-2020-833","aliases":[],"status":"published","title":"Heap-buffer-overflow in Hacl_Chacha20PolyNUMBER_256_aead_decrypt","description":"OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=23934\n\n```\nCrash type: Heap-buffer-overflow READ 1\nCrash state:\nHacl_Chacha20PolyNUMBER_256_aead_decrypt\nChaCha20PolyNUMBER_Open\nsftk_ChaCha20PolyNUMBER_Decrypt\n```","facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"published":"2020-07-14T22:13:39.041123Z","modified":"2022-04-13T03:04:35Z","affected":[{"source":"osv","ecosystem":"OSS-Fuzz","package":"cryptofuzz","ranges":[{"type":"GIT","events":[{"introduced":"2619bffde72e48bfe5a572776783bf92615b7c05"},{"fixed":"7b97d7fbad5d847074ffb0a8cbe14778d78e28ca"}]}]}],"references":[{"url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=23934","tags":["report"]}],"sources":{"osv":[{"id":"OSV-2020-833","title":"Heap-buffer-overflow in Hacl_Chacha20PolyNUMBER_256_aead_decrypt","description":"OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=23934\n\n```\nCrash type: Heap-buffer-overflow READ 1\nCrash state:\nHacl_Chacha20PolyNUMBER_256_aead_decrypt\nChaCha20PolyNUMBER_Open\nsftk_ChaCha20PolyNUMBER_Decrypt\n```\n","status":"published","published":"2020-07-14T22:13:39.041123Z","modified":"2022-04-13T03:04:35.071517Z","updated_at":"2026-11-02T15:52:48.780247Z"}]}}