Description
A security vulnerability has been detected in osrg GoBGP up to 4.3.0. Affected is the function BGPHeader.DecodeFromBytes of the file pkg/packet/bgp/bgp.go of the component BGP Header Handler. The manipulation leads to improper access controls. Remote exploitation of the attack is possible. The attack is considered to have high complexity. The exploitability is told to be difficult. The identifier of the patch is f0f24a2a901cbf159260698211ab15c583ced131. To fix this issue, it is recommended to deploy a patch.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| osrg | GoBGP | 4.0, 4.1, 4.2, 4.3.0 | — |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | gobgp | 4.4.0-1 | — |
| Debian 13 | gobgp | No fix yet | — |
| Debian 12 | gobgp | No fix yet | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 26.10 | gobgp | No fix yet | — |
| Ubuntu 25.10 | gobgp | No fix yet | — |
Show 5 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 26.04 LTS | gobgp | No fix yet | — |
| Ubuntu Pro 24.04 LTS | gobgp | No fix yet | — |
| Ubuntu Pro 22.04 LTS | gobgp | No fix yet | — |
| Ubuntu Pro 20.04 LTS | gobgp | No fix yet | — |
| Ubuntu Pro 18.04 LTS | gobgp | No fix yet | — |
References
- VDB-354156 | osrg GoBGP BGP Header bgp.go BGPHeader.DecodeFromBytes access control vdb-entry technical-description
- VDB-354156 | CTI Indicators (IOB, IOC, TTP, IOA) signature permissions-required
- Submit #780189 | osrg GoBGP 4.3.0 Improper Input Validation third-party-advisory
- https://github.com/osrg/gobgp/pull/3340 issue-tracking patch
- https://github.com/osrg/gobgp/commit/f0f24a2a901cbf159260698211ab15c583ced131 patch
- https://github.com/osrg/gobgp/ product