GoBGP crashes in the flowspec parser

An issue was discovered in GoBGP before 3.35.0. An attacker can cause a crash in the pkg/packet/bgp/bgp.go flowspec parser by sending fewer than 20 bytes in a certain context...

CVE-2025-43972

CVE-2025-43972 affects GoBGP prior to 3.35.0. The vulnerability is in the flowspec parser within pkg/packet/bgp/bgp.go, where an attacker can trigger a crash by sending fewer than 20 bytes in a specific context. The impact is a crash (potential denial via crash) as described in multiple sources. ...