diff options
| -rw-r--r-- | proto_ipv4.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/proto_ipv4.c b/proto_ipv4.c index e2d22d8..e522a90 100644 --- a/proto_ipv4.c +++ b/proto_ipv4.c @@ -154,7 +154,7 @@ static void ipv4(struct pkt_buff *pkt) * check and handle that */ opt_len = *(++opt); - if (opt_len > opts_len) { + if (opt_len < 2 || opt_len > opts_len) { tprintf(", Len (%zd, invalid) ]\n", opt_len); goto out; } else |