diff options
| -rw-r--r-- | src/lib/protocols/iec60870-5-104.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/lib/protocols/iec60870-5-104.c b/src/lib/protocols/iec60870-5-104.c index 0ba26fa1e..d018e8031 100644 --- a/src/lib/protocols/iec60870-5-104.c +++ b/src/lib/protocols/iec60870-5-104.c @@ -38,7 +38,7 @@ void ndpi_search_iec60870_tcp(struct ndpi_detection_module_struct *ndpi_struct, if(packet->tcp) { u_int16_t offset = 0, found = 0; - while(offset < packet->payload_packet_len) { + while(offset + 1 < packet->payload_packet_len) { /* The start byte of 104 is 0x68 */ if(packet->payload[offset] == 0x68) { u_int8_t len = packet->payload[offset+1]; |