CVE-2026-37461: Osrg Gobgp

High severity, CVSS 7.5. EPSS: 0.6% chance of exploitation in the next 30 days.

An out-of-bounds read in the ParseIP6Extended 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.

Affected products

• Osrg Gobgp: version 4.3.0 only

Published 2026-05-04. Last modified 2026-06-17.