diff options
| -rw-r--r-- | src/lib/protocols/tls.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/lib/protocols/tls.c b/src/lib/protocols/tls.c index b558df504..3bffcbd03 100644 --- a/src/lib/protocols/tls.c +++ b/src/lib/protocols/tls.c @@ -1810,7 +1810,7 @@ static void ndpi_compute_ja4(struct ndpi_detection_module_struct *ndpi_struct, if((ja->client.tls_extension[i] > 0) && (ja->client.tls_extension[i] != 0x10 /* ALPN extension */)) { #ifdef JA4R_DECIMAL rc = snprintf(&ja4_r[ja4_r_len], sizeof(ja4_r)-ja4_r_len, "%s%u", (num_extn > 0) ? "," : "", ja->client.tls_extension[i]); - if(rc > 0) ja4_r_len += rc; + if((rc > 0) && (ja4_r_len + rc < JA_STR_LEN)) ja4_r_len += rc; else break; #endif rc = ndpi_snprintf((char *)&tmp_str[tmp_str_len], JA_STR_LEN-tmp_str_len, "%s%04x", |