Fix CVE-2022-3602 in punycode decoder.
An off by one error in the punycode decoder allowed for a single unsigned int
overwrite of a buffer which could cause a crash and possible code execution.
@@ -181,7 +181,7 @@ int ossl_punycode_decode(const char *pEncoded, const size_t enc_len,
n = n + i / (written_out + 1);
i %= (written_out + 1);
- if (written_out > max_out)
+ if (written_out >= max_out)
return 0;
memmove(pDecoded + i + 1, pDecoded + i,
