high7.5
CVE-2026-37461
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 crafte…
Impact
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 packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| go | github.com/osrg/gobgp/v4 | < 4.4.0 | 4.4.0 |
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Osrg | Gobgp | Version 4.3.0 |
Weakness classification
References
- NVD record
- CVE.org record
- GitHub advisory
- https://github.com/advisories/GHSA-wmvj-f67g-qg4g
- https://nvd.nist.gov/vuln/detail/CVE-2026-37461
- https://github.com/osrg/gobgp/commit/362cce3e325f56e7a4f792ccb9689b3bdda9e682
- https://github.com/osrg/gobgp/commit/9ce8936672ebc07df524da77fa4c6ae26d92be6d
- https://github.com/osrg/gobgp/blob/v4.3.0/pkg/packet/bgp/bgp.go