CVE-2025-43970: Osrg Gobgp

Medium severity, CVSS 5.3. EPSS: 0.4% chance of exploitation in the next 30 days.

An issue was discovered in GoBGP before 3.35.0. pkg/packet/mrt/mrt.go does not properly check the input length, e.g., by ensuring that there are 12 bytes or 36 bytes (depending on the address family).

Affected products

• Osrg Gobgp: before 3.35.0 (fixed in 3.35.0)

Published 2025-04-21. Last modified 2026-06-17.