Security Advisory

CVE-2026-41642

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2026-05-07 11:50:41

Last updated 2026-05-07 12:34:38

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. In version 4.3.0, a remote Denial of Service (DoS) vulnerability exists in GoBGP due to a nil pointer dereference. When a malformed BGP UPDATE message contains an unrecognized Path Attribute marked as "Well-known," the daemon fails to interrupt the message handling flow. This results in an illegal memory access and a full process crash (panic). This issue has been patched in version 4.4.0.

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