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medium advisory

CVE-2026-37459: FRRouting BGP UPDATE Message Integer Underflow DoS

An integer underflow vulnerability, CVE-2026-37459, in FRRouting (FRR) versions stable/10.0 to stable/10.6 allows a remote attacker to cause a Denial of Service (DoS) by sending a crafted BGP UPDATE message.

FRR bgp dos frrouting network
2r 1t 1c