Off-by-one Error Affecting gobgp package, versions *


Severity

Recommended
medium

Based on Ubuntu security rating.

Threat Intelligence

EPSS
0.02% (5th percentile)

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  • Snyk IDSNYK-UBUNTU2004-GOBGP-9832954
  • published26 Jun 2025
  • disclosed21 Apr 2025

Introduced: 21 Apr 2025

CVE-2025-43973  (opens in a new tab)
CWE-193  (opens in a new tab)

How to fix?

There is no fixed version for Ubuntu:20.04 gobgp.

NVD Description

Note: Versions mentioned in the description apply only to the upstream gobgp package and not the gobgp package as distributed by Ubuntu. See How to fix? for Ubuntu:20.04 relevant fixed versions and status.

An issue was discovered in GoBGP before 3.35.0. pkg/packet/rtr/rtr.go does not verify that the input length corresponds to a situation in which all bytes are available for an RTR message.

CVSS Base Scores

version 3.1