RHSA-2026:49527 — Security Advisory
Red Hat Security Advisory: frr security, bug fix, and enhancement update
Severity
ImportantRed Hat Product Security
Products
Official CSAF product identity
Published · August 3, 2026
Updated · August 3, 2026
Topic
An update for frr is now available for Red Hat Enterprise Linux 9.
Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
Description
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. [rhel-9.8.z] (JIRA:RHEL-152300)
-
frr triggers SELinux denials when reading root's Python site-packages directory on RHEL-9 (JIRA:RHEL-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.