gobgp: A security flaw has been discovered in osrg GoBGP up to 4.3.0
CVE-2026-5122 is fixed in gobgp on 1 platform by DEBIAN-CVE-2026-5122 (version 4.4.0-1), released March 30, 2026. It is not reported as exploited. Patch Radar priority: Routine.
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.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| gobgp · Debian 14 | 4.4.0-1 | DEBIAN-CVE-2026-5122 | Mar 30, 2026 |
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