9e8b05fb99
Stefan Eissing
2025-09-25
Subject
wolfssl: check BIO read parameters
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lib/vtls/wolfssl.c+5 -2
| @@ -362,8 +362,11 @@ static int wssl_bio_cf_in_read(WOLFSSL_BIO *bio, char *buf, int blen) | |
| CURLcode result = CURLE_OK; | |
| DEBUGASSERT(data); | |
| - | /* OpenSSL catches this case, so should we. */ |
| - | if(!buf) |
| + | if(!data || (blen < 0)) { |
| + | wssl->io_result = CURLE_FAILED_INIT; |
| + | return -1; |
| + | } |
| + | if(!buf || !blen) |
| return 0; | |
| if((connssl->connecting_state == ssl_connect_2) && | |