{"id":"OSV-2021-10","aliases":[],"status":"published","title":"Heap-buffer-overflow in sp_tohex","description":"OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=29185\n\n```\nCrash type: Heap-buffer-overflow WRITE 1\nCrash state:\nsp_tohex\nsp_toradix\ncryptofuzz::module::wolfCrypt_bignum::Bignum::baseConversion\n```","facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"published":"2021-01-04T00:01:27.624698Z","modified":"2022-04-13T03:04:35Z","affected":[{"source":"osv","ecosystem":"OSS-Fuzz","package":"wolfssl","ranges":[{"type":"GIT","events":[{"introduced":"81f70fba5f6f3fd4715cbe1d51e3b7e76ce22b5d"},{"fixed":"209c4c08e11c4a72c0d9e91b7e011016fabe1e34"}]}]}],"references":[{"url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=29185","tags":["report"]}],"sources":{"osv":[{"id":"OSV-2021-10","title":"Heap-buffer-overflow in sp_tohex","description":"OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=29185\n\n```\nCrash type: Heap-buffer-overflow WRITE 1\nCrash state:\nsp_tohex\nsp_toradix\ncryptofuzz::module::wolfCrypt_bignum::Bignum::baseConversion\n```\n","status":"published","published":"2021-01-04T00:01:27.624698Z","modified":"2022-04-13T03:04:35.662208Z","updated_at":"2026-11-02T15:52:48.780247Z"}]}}