CVE-2026-37462

Description

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.

CVSS Vector

References

• https://github.com/osrg/gobgp/blob/v4.3.0/pkg/packet/bgp/bgp.go
• https://github.com/osrg/gobgp/commit/9ce8936672ebc07df524da77fa4c6ae26d92be6d