Frr Security Update — AlmaLinux 9 (ALSA-2026:49527)
This is a security release for AlmaLinux 9. Update the product on every affected server to the patched release — there is no workaround, and unpatched servers remain exposed until updated.
Fix Commands
EL8+ (AlmaLinux/CloudLinux/Rocky)
sudo dnf updateWhat this means under a SharedLicense license
Your SharedLicense license itself is not affected — this is a change in AlmaLinux 9 software, not in licensing. Update the product through its standard update channel. Licenses keep working through updates; nothing needs re-issuing or re-activating.
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 n…
Type:
security
Severity:
important
Release date:
2026-08-06
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. [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.
References:
Updated packages listed below:
| Architecture | Package | Checksum |
| aarch64 | frr-8.5.3-15.el9_8.1.aarch64.rpm | 711342101cc441ecd9eec003fd01cc291c13436725e29eee5bbe71a8c01ffc10 |
| noarch | frr-selinux-8.5.3-15.el9_8.1.noarch.rpm | 28b90322fe0e517b6678a97af89552cdcd90d85a98188a067b7927be3a71f11c |
| ppc64le | frr-8.5.3-15.el9_8.1.ppc64le.rpm | dde1fba668761b65f1bb139e74c194d10b0f19c33b0f9fdaf1a2e7a02c68d7cb |
| s390x | frr-8.5.3-15.el9_8.1.s390x.rpm | e5e8b32ea1d29355245899bccf2b1a849d1d45859acc4a1532a045a7615fbc38 |
| x86_64 | frr-8.5.3-15.el9_8.1.x86_64.rpm | b0997893037d5466f9fd6d82abb443f6b82c636b1f95961a5137a49a7110748b |
Notes:
This page is generated automatically from Red Hat security data and has not been checked for errors. For clarification or corrections please contact the AlmaLinux Packaging Team.
References
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