CVE-2026-37457 Affecting frr package, versions <10.6.0-2


Severity

Recommended
low

Based on default assessment until relevant scores are available.

Threat Intelligence

EPSS
0.72% (52nd percentile)

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications
  • Snyk IDSNYK-DEBIANUNSTABLE-FRR-16355034
  • published4 May 2026
  • disclosed1 May 2026

Introduced: 1 May 2026

CVE-2026-37457  (opens in a new tab)

How to fix?

Upgrade Debian:unstable frr to version 10.6.0-2 or higher.

NVD Description

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

An off-by-one out-of-bounds write vulnerability in the bgp_flowspec_op_decode() function (bgpd/bgp_flowspec_util.c) of FRRouting (FRR) stable/10.0 allows attackers to cause a Denial of Service (DoS) via supplying a crafted FlowSpec component.

CVSS Base Scores

version 3.1