The vulnerability of the FRRouting software implementation for Unix-like systems lies in the existence of a loop with an unreachable exit condition. This allows a malicious actor to cause a service failure.

The vulnerability of the FRRouting software implementation on Unix-like systems lies in the fact that it sends specially crafted welcome messages with a one-to-one distribution flag, an interval field equal to 0, or any TLV containing a mandatory sub-TLV. This allows the attacker to enter an...