CVE-2026-37457
HIGHFRRouting stable/10.0 - Denial of Service via bgp_flowspec_op_decode() Out-of-bounds Write
Title source: llmDescription
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.
References (8)
Core 8
Core References
Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:24340
Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:24347
Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:24370
Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:24371
Vendor Advisory
https://access.redhat.com/security/cve/CVE-2026-37457
Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2464548
Scores
CVSS v3
7.5
EPSS
0.0039
EPSS Percentile
30.9%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
yes
Technical Impact
partial
Details
CWE
CWE-787
Status
published
Products (1)
frrouting/frrouting
10.0
Published
May 01, 2026
Tracked Since
May 01, 2026