Description

GoBGP is an open source Border Gateway Protocol (BGP) implementation in the Go Programming Language. Prior to version 4.3.0, a remote Denial of Service (DoS) vulnerability exists in GoBGP where a malformed BGP UPDATE message can trigger a runtime error: index out of range panic. This occurs during the processing of 4-byte AS attributes when the message structure causes an internal slice index shift that is not properly handled. This issue has been patched in version 4.3.0.

INFO

Published Date :

2026-05-07T11:53:23.566Z

Last Modified :

2026-05-07T13:39:04.425Z

Source :

GitHub_M
AFFECTED PRODUCTS

The following products are affected by CVE-2026-41643 vulnerability.

Vendors Products
Osrg
  • Gobgp
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2026-41643.

URL Resource
https://github.com/osrg/gobgp/releases/tag/v4.3.0 cve-icon cve-icon
https://github.com/osrg/gobgp/security/advisories/GHSA-8rxh-r2p6-7f2q cve-icon cve-icon cve-icon
Login to claim this CVE

CVSS Vulnerability Scoring System

Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact