Out-of-bounds Write Affecting frr package, versions <0:8.5.3-13.el9_8


Severity

Recommended
0.0
high
0
10

Based on CentOS security rating.

Threat Intelligence

EPSS
0.72% (52nd percentile)

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  • Snyk IDSNYK-CENTOS9-FRR-16584476
  • published9 May 2026
  • disclosed1 May 2026

Introduced: 1 May 2026

CVE-2026-37457  (opens in a new tab)
CWE-787  (opens in a new tab)

How to fix?

Upgrade Centos:9 frr to version 0:8.5.3-13.el9_8 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 Centos. See How to fix? for Centos:9 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