Vulnerability Description
A security flaw has been discovered in osrg GoBGP up to 4.3.0. This affects the function DecodeFromBytes of the file pkg/packet/bgp/bgp.go of the component BGP OPEN Message Handler. Performing a manipulation of the argument domainNameLen results in improper access controls. The attack may be initiated remotely. A high degree of complexity is needed for the attack. The exploitability is reported as difficult. The patch is named 2b09db390a3d455808363c53e409afe6b1b86d2d. It is suggested to install a patch to address this issue.
CVSS Score
LOW
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Osrg | Gobgp | < 4.4.0 |
Related Weaknesses (CWE)
References
- https://github.com/osrg/gobgp/Product
- https://github.com/osrg/gobgp/commit/2b09db390a3d455808363c53e409afe6b1b86d2dPatch
- https://github.com/osrg/gobgp/pull/3343Issue Tracking
- https://vuldb.com/submit/780124Third Party AdvisoryVDB Entry
- https://vuldb.com/vuln/354154Third Party AdvisoryVDB Entry
- https://vuldb.com/vuln/354154/ctiPermissions RequiredVDB Entry
FAQ
What is CVE-2026-5122?
CVE-2026-5122 is a vulnerability with a CVSS score of 3.7 (LOW). A security flaw has been discovered in osrg GoBGP up to 4.3.0. This affects the function DecodeFromBytes of the file pkg/packet/bgp/bgp.go of the component BGP OPEN Message Handler. Performing a manip...
How severe is CVE-2026-5122?
CVE-2026-5122 has been rated LOW with a CVSS base score of 3.7/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-5122?
Check the references section above for vendor advisories and patch information. Affected products include: Osrg Gobgp.