HIGH 7.3

GHSA-pw7p-7fqv-hpj8

GoBGP: Integer underflow in the BGPUpdate.DecodeFromBytes function

Details

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.

Are you affected?

Enter the version of the package you're using.

Affected packages

Go / github.com/osrg/gobgp/v4

Introduced in: 0 Fixed in: 4.4.0

Fix go get github.com/osrg/gobgp/v4@v4.4.0

References

https://nvd.nist.gov/vuln/detail/CVE-2026-37462 [ADVISORY]
https://github.com/osrg/gobgp/commit/9ce8936672ebc07df524da77fa4c6ae26d92be6d [WEB]
https://github.com/osrg/gobgp [PACKAGE]
https://github.com/osrg/gobgp/blob/v4.3.0/pkg/packet/bgp/bgp.go [WEB]