osrg/gobgp · Security

GoBGP crashes in the flowspec parser

GHSA ID
GHSA-mfvv-mgf6-q25r
CVE ID
CVE-2025-43972
Severity
medium
Published
Updated
CVSS
6.8 · CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H
CVSS v3
6.8 · CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H

Description

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.

CWEs

References