AlmaLinux alert ALSA-2026:49527 (frr)

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[Announce] [Security Advisory] ALSA-2026:49527: frr security, bug fix, and enhancement update (Important)
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Thu, 06 Aug 2026 17:26:55 +0000
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<0100019fd81d222c-b987e8d1-934b-4f33-b374-bf4ed5253b6f-000000@email.amazonses.com>
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Article
Hi,

You are receiving an AlmaLinux Security update email because you subscribed to receive errata
notifications from AlmaLinux.

AlmaLinux: 9
Type: Security
Severity: Important
Release date: 2026-08-06

Summary:

FRRouting is free software that manages TCP/IP based routing protocols. It supports BGP4, OSPFv2,
OSPFv3, ISIS, RIP, RIPng, PIM, NHRP, PBR, EIGRP and BFD.   

Security Fix(es):  

  * frr: FRRouting: Denial of Service via crafted BGP UPDATE message (CVE-2026-37460)


Bug Fix(es) and Enhancement(s):  

  * Zebra is not installing the route in the kernel after flapping one of the physical link on the
ocp worker node. [almalinux-9.8.z] (JIRA:AlmaLinux-152300)
  * frr triggers SELinux denials when reading root's Python site-packages directory on AlmaLinux-9
(JIRA:AlmaLinux-176258)


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.


Full details, updated packages, references, and other related information:
https://errata.almalinux.org/9/ALSA-2026-49527.html

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AlmaLinux Team
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