RHSA-2026:49607: Important: frr10 security, bug fix, and enhancement update

Published Aug 3, 2026
·
Updated

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: FRRouting: Denial of Service via crafted BGP UPDATE message (CVE-2026-37460) Bug Fix(es) and Enhancement(s): frr10 triggers SELinux denials when reading root's Python site-packages directory on RHEL-9 (JIRA:RHEL-222338) 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.

Other sources

Important: frr10 security, bug fix, and enhancement update

— Red Hat

Affected Software

29 affected componentsFixes available
Red Hat Red Hat Enterprise Linux for ARM 64 - Extended Update Support
Red Hat Red Hat Enterprise Linux for ARM 64
Red Hat Red Hat Enterprise Linux for IBM z Systems - Extended Life Cycle
Red Hat Red Hat Enterprise Linux for x86_64 - Extended Update Support
Red Hat Red Hat Enterprise Linux for ARM 64 - Extended Life Cycle
Red Hat Red Hat Enterprise Linux for IBM z Systems - 4 years of updates
Red Hat Red Hat Enterprise Linux for IBM z Systems - Extended Update Support
Red Hat Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions
Red Hat Red Hat Enterprise Linux for Power, little endian - Extended Update Support
Red Hat Red Hat Enterprise Linux for x86_64
Red Hat Red Hat Enterprise Linux for ARM 64 - 4 years of updates
Red Hat Red Hat Enterprise Linux for x86_64 - Extended Life Cycle
Red Hat Red Hat Enterprise Linux for Power, little endian
Red Hat Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions
Red Hat Red Hat Enterprise Linux for Power, little endian - Extended Life Cycle
Red Hat Red Hat Enterprise Linux for IBM z Systems
redhat/frr10<10.4.3-3.el9_8.2
10.4.3-3.el9_8.2
redhat/frr10<10.4.3-3.el9_8.2
10.4.3-3.el9_8.2
redhat/frr10-debuginfo<10.4.3-3.el9_8.2
10.4.3-3.el9_8.2
redhat/frr10-debugsource<10.4.3-3.el9_8.2
10.4.3-3.el9_8.2
redhat/frr10-selinux<10.4.3-3.el9_8.2
10.4.3-3.el9_8.2
redhat/frr10-debuginfo<10.4.3-3.el9_8.2
10.4.3-3.el9_8.2
redhat/frr10-debugsource<10.4.3-3.el9_8.2
10.4.3-3.el9_8.2
redhat/frr10<10.4.3-3.el9_8.2
10.4.3-3.el9_8.2
redhat/frr10-debuginfo<10.4.3-3.el9_8.2
10.4.3-3.el9_8.2
redhat/frr10-debugsource<10.4.3-3.el9_8.2
10.4.3-3.el9_8.2
redhat/frr10<10.4.3-3.el9_8.2.aa
10.4.3-3.el9_8.2.aa
redhat/frr10-debuginfo<10.4.3-3.el9_8.2.aa
10.4.3-3.el9_8.2.aa
redhat/frr10-debugsource<10.4.3-3.el9_8.2.aa
10.4.3-3.el9_8.2.aa

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade redhat/frr10 to a version that resolves this vulnerability.

    Fixed in 10.4.3-3.el9_8.2
  2. Upgrade

    Upgrade redhat/frr10-debuginfo to a version that resolves this vulnerability.

    Fixed in 10.4.3-3.el9_8.2
  3. Upgrade

    Upgrade redhat/frr10-debugsource to a version that resolves this vulnerability.

    Fixed in 10.4.3-3.el9_8.2
  4. Upgrade

    Upgrade redhat/frr10-selinux to a version that resolves this vulnerability.

    Fixed in 10.4.3-3.el9_8.2
  5. Upgrade

    Upgrade redhat/frr10 to a version that resolves this vulnerability.

    Fixed in 10.4.3-3.el9_8.2.aa
  6. Upgrade

    Upgrade redhat/frr10-debuginfo to a version that resolves this vulnerability.

    Fixed in 10.4.3-3.el9_8.2.aa
  7. Upgrade

    Upgrade redhat/frr10-debugsource to a version that resolves this vulnerability.

    Fixed in 10.4.3-3.el9_8.2.aa
  8. Upgrade

    Upgrade frr10 to a version that resolves this vulnerability.

    Patch CVE-2026-37460
  9. Compensating control

    If updating to the referenced frr10 security/bugfix update is delayed, mitigate potential DoS exposure from crafted BGP UPDATE messages by limiting BGP connectivity to trusted peers only (reduce reachable BGP attack surface).

Event History

Aug 3, 2026
Advisory Published
via Red Hat·12:00 AM
Data Sourced
via Red Hat·12:00 AM
RemedyDescriptionAffected Software
Advisory Published
via Red Hat·06:41 AM
Data Sourced
via Red Hat·06:41 AM
Severity
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Frequently Asked Questions

1

What is the severity of RHSA-2026:49607?

The severity of RHSA-2026:49607 is categorized as high with a score of 7.

2

How do I fix RHSA-2026:49607?

To fix RHSA-2026:49607, you should apply the latest updates provided for the affected FRRouting packages.

3

What vulnerabilities are addressed by RHSA-2026:49607?

RHSA-2026:49607 addresses security vulnerabilities and includes bug fixes and enhancements for the FRRouting software.

4

Which software packages are affected by RHSA-2026:49607?

The affected software packages include redhat/frr10, redhat/frr10-debuginfo, and redhat/frr10-debugsource among others.

5

When was RHSA-2026:49607 published?

RHSA-2026:49607 was published on August 3, 2026.

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