NULL Pointer Dereference Affecting frrouting/frr package, versions [0,]


Severity

Recommended
0.0
high
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.04% (12th percentile)

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  • Snyk IDSNYK-UNMANAGED-FRROUTINGFRR-13744514
  • published30 Oct 2025
  • disclosed28 Oct 2025
  • credits1awwhy

Introduced: 28 Oct 2025

NewCVE-2025-61103  (opens in a new tab)
CWE-476  (opens in a new tab)

How to fix?

A fix was pushed into the master branch but not yet published.

Overview

Affected versions of this package are vulnerable to NULL Pointer Dereference via the show_vty_ext_link_lan_adj_sid function. An attacker can cause the application to crash by sending a specially crafted OSPF packet.

Note: Successful exploitation of this vulnerability requires the victim to enable debug ospf packet all send/recv detail in configuration.

CVSS Base Scores

version 4.0
version 3.1