Vulnerability Description
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.
CVSS Score
7.5
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Osrg | Gobgp | 4.3.0 |
Related Weaknesses (CWE)
References
- https://github.com/osrg/gobgp/blob/v4.3.0/pkg/packet/bgp/bgp.goProduct
- https://github.com/osrg/gobgp/commit/362cce3e325f56e7a4f792ccb9689b3bdda9e682Patch
- https://github.com/osrg/gobgp/commit/9ce8936672ebc07df524da77fa4c6ae26d92be6dPatch
FAQ
What is CVE-2026-37461?
CVE-2026-37461 is a vulnerability with a CVSS score of 7.5 (HIGH). 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.
How severe is CVE-2026-37461?
CVE-2026-37461 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-37461?
Check the references section above for vendor advisories and patch information. Affected products include: Osrg Gobgp.