CVE-2026-41642

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...

GoBGP has Remote Denial of Service (Panic) via Malformed Well-known Path Attribute

Summary 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...