CVE-2026-37457 Affecting frr package, versions <0:7.5.1-24.el8_10


Severity

Recommended
high

Based on AlmaLinux security rating.

Threat Intelligence

EPSS
0.39% (31st percentile)

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  • Snyk IDSNYK-ALMALINUX8-FRR-17249050
  • published9 Jun 2026
  • disclosed8 Jun 2026

Introduced: 8 Jun 2026

CVE-2026-37457  (opens in a new tab)

How to fix?

Upgrade AlmaLinux:8 frr to version 0:7.5.1-24.el8_10 or higher.
This issue was patched in ALSA-2026:24340.

NVD Description

Note: Versions mentioned in the description apply only to the upstream frr package and not the frr package as distributed by AlmaLinux. See How to fix? for AlmaLinux:8 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