Vulnerability · Published Apr 21, 2025 · Assigned by mitre

CVE-2025-43971

High 8.6

In plain English

A high-severity security flaw in GoBGP from GoBGP. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 46% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)8.6High
Exploit odds (30 days)0.6%top 53.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

An issue was discovered in GoBGP before 3.35.0. pkg/packet/bgp/bgp.go allows attackers to cause a panic via a zero value for softwareVersionLen.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12gobgpno fix listedDEBIAN-CVE-2025-43971
Debian:13gobgp3.35.0-1DEBIAN-CVE-2025-43971
Debian:14gobgp3.35.0-1DEBIAN-CVE-2025-43971
Gogithub.com/osrg/gobgpno fix listedGO-2025-3631
Gogithub.com/osrg/gobgp/v33.35.0GHSA-7m35-vw2c-696v
Gogithub.com/osrg/gobgp/v33.35.0GO-2025-3631

Affected products (as reported)

VendorProductVersions
GoBGP GoBGP 0 – before 3.35.0

Weakness: CWE-193 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H

References