---
id: CVE-2023-46565
aliases:
  - GHSA-6rqv-5cg7-m4x3
  - GO-2024-3124
title: Buffer Overflow vulnerability in osrg gobgp
summary: Buffer Overflow vulnerability in osrg gobgp
severity: high
cvss: 7.5
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'
vendor: osrg
product: github.com/osrg/gobgp/v3
ecosystem: go
affected:
  - github.com/osrg/gobgp/v3 <= 3.20.0
published: '2024-04-29'
updated: '2026-08-07'
source: OSV
sourceUrl: 'https://osv.dev/vulnerability/GHSA-6rqv-5cg7-m4x3'
references:
  - url: 'https://nvd.nist.gov/vuln/detail/CVE-2023-46565'
  - url: 'https://github.com/osrg/gobgp/issues/2725'
  - url: >-
      https://github.com/osrg/gobgp/commit/419c50dfac578daa4d11256904d0dc182f1a9b22
  - url: 'https://github.com/osrg/gobgp'
tags:
  - osv
  - go
epss: 0.00744
epssPercentile: 0.52723
ingestedAt: '2026-08-07T19:14:15.972Z'
---

## Overview

Buffer Overflow vulnerability in osrg gobgp commit 419c50dfac578daa4d11256904d0dc182f1a9b22 allows a remote attacker to cause a denial of service via the handlingError function in pkg/server/fsm.go.

## Affected packages

- `github.com/osrg/gobgp/v3 <= 3.20.0`

## Remediation

Refer to the advisory for the patched release.