diff options
Diffstat (limited to 'src/network/core/udp.cpp')
| -rw-r--r-- | src/network/core/udp.cpp | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/network/core/udp.cpp b/src/network/core/udp.cpp index 6c8b56a53..77a4c81ae 100644 --- a/src/network/core/udp.cpp +++ b/src/network/core/udp.cpp @@ -221,6 +221,9 @@ void NetworkUDPSocketHandler::Recv_NetworkGameInfo(Packet *p, NetworkGameInfo *i uint i; uint num_grfs = p->Recv_uint8(); + /* Broken/bad data. It cannot have that many NewGRFs. */ + if (num_grfs > NETWORK_MAX_GRF_COUNT) return; + for (i = 0; i < num_grfs; i++) { GRFConfig *c = CallocT<GRFConfig>(1); this->Recv_GRFIdentifier(p, c); |