Bug 2484385 (CVE-2026-37460)

Summary:	CVE-2026-37460 frr: FRRouting: Denial of Service via crafted BGP UPDATE message
Product:	[Other] Security Response	Reporter:	OSIDB Bzimport <bzimport>
Component:	vulnerability	Assignee:	Product Security <prodsec-ir-bot>
Status:	NEW ---	QA Contact:
Severity:	high	Docs Contact:
Priority:	high
Version:	unspecified	CC:	rhel-process-autobot, watson-tool-maintainers
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	---
Doc Text:	A flaw was found in FRRouting (FRR). Missing input validation in the `rfapiRibBi2Ri()` function allows a remote attacker to cause a Denial of Service (DoS) by sending a specially crafted BGP (Border Gateway Protocol) UPDATE message. This vulnerability can disrupt network services managed by FRR.	Story Points:	---
Clone Of:		Environment:
Last Closed:		Type:	---
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:
Bug Depends On:	2498050
Bug Blocks:

Description OSIDB Bzimport 2026-06-03 15:02:42 UTC

Missing input validation in the rfapiRibBi2Ri() function (rfapi_rib.c) of FRRouting (FRR) stable/10.0 to stable/10.6 allows attackers to cause a Denial of Service (DoS) via supplying a crafted BGP UPDATE message.

Comment 3 errata-xmlrpc 2026-08-03 03:00:20 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2026:49511 https://access.redhat.com/errata/RHSA-2026:49511

Comment 4 errata-xmlrpc 2026-08-03 05:00:44 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2026:49527 https://access.redhat.com/errata/RHSA-2026:49527

Comment 5 errata-xmlrpc 2026-08-03 08:14:31 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2026:49607 https://access.redhat.com/errata/RHSA-2026:49607