CVE-2025-43972

MEDIUM

GoBGP < 3.35.0 - Denial of Service via Flowspec Parser Input Validation

Title source: llm
STIX 2.1

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.

References (2)

Core 2

Scores

CVSS v3 6.8
EPSS 0.0046
EPSS Percentile 36.3%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-1284
Status published
Products (3)
osrg/gobgp < 3.35.0
osrg/gobgp 0Go
osrg/gobgp 0 - 3.35.0Go
Published Apr 21, 2025
Tracked Since Feb 18, 2026