CVE-2026-5124
MEDIUM EPSS 20.4%
Published Mar 30, 20263mo ago · Modified Jun 17, 20261w ago
6.3 CVSS 4.0
Published Mar 30, 2026 3mo ago
Last Modified Jun 17, 2026 1w ago
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.
CVSS Details
Base Score
Exploitability
Impact
Vector string
CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Attack Vector Network
Attack Complexity High
Privileges Required None
User Interaction None
Scope X
Threat Intelligence
EPSS Exploit Probability
20.4% percentile
Exploit & Patch Status
No Known Exploit
Patch Available
Weaknesses 2
CWE-266
CWE-284
Affected Products 1
| Vendor | Product | Version | Range |
|---|---|---|---|
| osrg | gobgp | * | <4.4.0 |
References 6
- github.com https://github.com/osrg/gobgp/
- github.com https://github.com/osrg/gobgp/commit/f0f24a2a901cbf159260698211ab15c583ced131
- github.com https://github.com/osrg/gobgp/pull/3340
- vuldb.com https://vuldb.com/submit/780189
- vuldb.com https://vuldb.com/vuln/354156
- vuldb.com https://vuldb.com/vuln/354156/cti
Remediation
- github.com https://github.com/osrg/gobgp/commit/f0f24a2a901cbf159260698211ab15c583ced131