Security Advisory

CVE-2026-41643

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2026-05-07 11:53:23

Last updated 2026-05-07 13:39:04

Assigner GitHub_M

CVSS score 7.5

State PUBLISHED

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.

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