CVE-2026-37457

Published: May 1, 2026Modified: Jul 15, 2026

7.5

Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Exploitability: 3.9 / Impact: 3.6

Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)

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.

Affected (1)

Products: Frrouting: Frrouting

Frrouting

1 product

Frrouting

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Frrouting Frrouting	Version 10.0

Related CWEs

CWE-787

Out-of-bounds Write

The product writes data past the end, or before the beginning, of the intended buffer.

References (8)

https://github.com/FRRouting/frr/commit/0e6882bc72c0278988a47b2f0f73b7a91099a25c

Source: cve@mitre.org

Patch

https://access.redhat.com/errata/RHSA-2026:24340