CVE-2025-61102 Affecting quagga package, versions *


Severity

Recommended
medium

Based on Ubuntu security rating.

Threat Intelligence

EPSS
0.05% (17th percentile)

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  • Snyk IDSNYK-UBUNTU2004-QUAGGA-13796827
  • published1 Nov 2025
  • disclosed27 Oct 2025

Introduced: 27 Oct 2025

NewCVE-2025-61102  (opens in a new tab)

How to fix?

There is no fixed version for Ubuntu:20.04 quagga.

NVD Description

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

FRRouting/frr from v4.0 through v10.4.1 was discovered to contain a NULL pointer dereference via the show_vty_ext_link_adj_sid function at ospf_ext.c. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted OSPF packet.

CVSS Base Scores

version 3.1