CVE-2026-37462

High severity, CVSS 7.5. EPSS: 0.5% chance of exploitation in the next 30 days.

An integer underflow in the BGPUpdate.DecodeFromBytes function (/bgp/bgp.go) of gobgp v4.3.0 allows attackers to cause a Denial of Service (DoS) via supplying a crafted BGP UPDATE message.

Published 2026-06-03. Last modified 2026-07-22.