Bug 2464548 (CVE-2026-37457) - CVE-2026-37457 frr: denial of service via crafted FlowSpec component
Summary: CVE-2026-37457 frr: denial of service via crafted FlowSpec component
Keywords:
Status: NEW
Alias: CVE-2026-37457
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
high
high
Target Milestone: ---
Assignee: Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 2468134
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-05-01 18:01 UTC by OSIDB Bzimport
Modified: 2026-06-08 10:48 UTC (History)
2 users (show)

Fixed In Version:
Clone Of:
Environment:
Last Closed:
Embargoed:

Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2026:24340 0 None None None 2026-06-08 03:02:04 UTC
Red Hat Product Errata RHSA-2026:24347 0 None None None 2026-06-08 03:03:19 UTC
Red Hat Product Errata RHSA-2026:24370 0 None None None 2026-06-08 10:47:36 UTC
Red Hat Product Errata RHSA-2026:24371 0 None None None 2026-06-08 10:48:36 UTC

Description OSIDB Bzimport 2026-05-01 18:01:15 UTC 
An off-by-one out-of-bounds write vulnerability in the bgp_flowspec_op_decode() function (bgpd/bgp_flowspec_util.c) of FRRouting (FRR) stable/10.0 allows attackers to cause a Denial of Service (DoS) via supplying a crafted FlowSpec component.
Comment 2 errata-xmlrpc 2026-06-08 03:02:03 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2026:24340 https://access.redhat.com/errata/RHSA-2026:24340
Comment 3 errata-xmlrpc 2026-06-08 03:03:18 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 10

Via RHSA-2026:24347 https://access.redhat.com/errata/RHSA-2026:24347
Comment 4 errata-xmlrpc 2026-06-08 10:47:35 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2026:24370 https://access.redhat.com/errata/RHSA-2026:24370
Comment 5 errata-xmlrpc 2026-06-08 10:48:35 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2026:24371 https://access.redhat.com/errata/RHSA-2026:24371
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