CVE-2021-21005

In Phoenix Contact FL SWITCH SMCS series products in multiple versions if an attacker sends a hand-crafted TCP-Packet with the Urgent-Flag set and the Urgent-Pointer set to 0, the network stack will crash. The device needs to be rebooted afterwards...

CVE-2019-12255

Wind River VxWorks has a Buffer Overflow in the TCP component issue 1 of 4. This is a IPNET security vulnerability: TCP Urgent Pointer = 0 that leads to an integer underflow...