Is CVE-2025-43972 actively exploited?

CVE-2025-43972 has no public evidence of in-the-wild exploitation as of 2025-05-08.

What is the CVSS score for CVE-2025-43972?

CVE-2025-43972 has a CVSS score of 6.8 (MEDIUM severity). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H.

How do I patch CVE-2025-43972?

Patch guidance is available from osrg security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2025-43972.

CVE-2025-43972 - remediation guidance & executive summary

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.

CVSS Metrics

Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H
Attack Vector: network
Complexity: high
Privileges: none
User Action: none
Scope: changed
Confidentiality: none
Integrity: none
Availability: high
Weaknesses: CWE-1284 CWE-1284

Metadata

Primary Vendor: OSRG
Published: 4/21/2025
Last Modified: 5/8/2025
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

Affected Products

osrg : gobgp

Remediation Guidance

Executive Summary

Cite this page

CVE-2025-43972. CVEDatabase.com. Retrieved 1 May 2026. https://cvedatabase.com/cve/CVE-2025-43972

View on NIST NVD

CVE-2025-43972 vulnerability