CVE-2026-37457

HIGH

FRRouting stable/10.0 - Denial of Service via bgp_flowspec_op_decode() Out-of-bounds Write

Title source: llm
STIX 2.1

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.

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