PT-2025-17426 · Gobgp+4 · Gobgp+4

CVE-2025-43972 · Published 2025-04-20 · Updated 2025-08-08

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions GoBGP versions prior to 3.35.0

Description An issue was discovered that allows an attacker to cause a crash in the pkg/packet/bgp/bgp.go flowspec parser by sending fewer than 20 bytes in a certain context.

Recommendations For versions prior to 3.35.0, update to version 3.35.0 or later to resolve the issue.

Exploit

Fix

DoS

Weakness Enumeration

CWE-1284

Related Identifiers

BDU:2025-09851

CVE-2025-43972

GHSA-MFVV-MGF6-Q25R

GO-2025-3632

OPENSUSE-SU-2025:15017-1

USN-7661-1

Affected Products

Debian

Gobgp

Linuxmint

Red Os

Ubuntu

References · 54

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/43xxx/CVE-2025-43972.json · Exploit
• https://github.com/osrg/gobgp/compare/v3.34.0...v3.35.0 · Patch
• https://github.com/osrg/gobgp/commit/ca7383f450f7b296c5389feceef2467de5ab6e5a · Patch
• https://osv.dev/vulnerability/UBUNTU-CVE-2025-43972 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2025-43972 · Security Note
• https://bdu.fstec.ru/vul/2025-09851 · Security Note
• https://ubuntu.com/security/CVE-2025-43971 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-43970 · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2025:15017-1 · Vendor Advisory
• https://osv.dev/vulnerability/GHSA-mfvv-mgf6-q25r · Vendor Advisory
• https://osv.dev/vulnerability/USN-7661-1 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2025-43972 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2025-43972 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-43973 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2025-43972 · Vendor Advisory