CVE-2026-37457

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CVSS 3.1

7.5 high

EPSS

<1%p32

Published

May 1, 2026 (May 1, 2026)

Modified

Jul 15, 2026

Description

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.

Vendors: frrouting
Products: frrouting
Weakness: CWE-787
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

NVD CVE.org GitHub PoCs EPSS (0.4%)

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