RHEL 9 : frr10 (RHSA-2026:24370)

high Nessus Plugin ID 319704

Synopsis

The remote Red Hat host is missing one or more security updates for frr10.

Description

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:24370 advisory.

FRRouting is free software that manages TCP/IP based routing protocols. It takes a multi-server and multi- threaded approach to resolve the current complexity of the Internet. FRRouting supports BGP4, OSPFv2, OSPFv3, ISIS, RIP, RIPng, PIM, NHRP, PBR, EIGRP and BFD. FRRouting is a fork of Quagga.

Security Fix(es):

* frr: denial of service via crafted FlowSpec component (CVE-2026-37457)

* frr: denial of service via crafted BGP UPDATE message (CVE-2026-37459)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Solution

Update the RHEL frr10 package based on the guidance in RHSA-2026:24370.

Plugin Details

Severity: High

ID: 319704

File Name: redhat-RHSA-2026-24370.nasl

Version: 1.1

Type: Local

Agent: unix

Family: Red Hat Local Security Checks

Published: 6/8/2026

Updated: 6/8/2026

Supported Sensors: Continuous Assessment, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

Vendor

Vendor Severity: Important

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 5.8

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C

CVSS Score Source: CVE-2026-37459

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:redhat:rhel_eus:9.8, p-cpe:/a:redhat:enterprise_linux:frr10-selinux, p-cpe:/a:redhat:enterprise_linux:frr10, cpe:/o:redhat:enterprise_linux:9

Required KB Items: Host/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list, Host/cpu

Exploit Ease: No known exploits are available

Patch Publication Date: 6/8/2026

Vulnerability Publication Date: 5/1/2026

Reference Information

CVE: CVE-2026-37457, CVE-2026-37459

CWE: 191, 787

RHSA: 2026:24370

Detections

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