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.
History

Sat, 02 May 2026 00:15:00 +0000

Type Values Removed Values Added
Title Off‑by‑One Out‑of‑Bounds Write in FRRouting FlowSpec Parsing Causes DoS

Fri, 01 May 2026 21:00:00 +0000

Type Values Removed Values Added
First Time appeared Frrouting
Frrouting frrouting
Vendors & Products Frrouting
Frrouting frrouting

Fri, 01 May 2026 19:15:00 +0000

Type Values Removed Values Added
Weaknesses CWE-787
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Fri, 01 May 2026 17:45:00 +0000

Type Values Removed Values Added
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.
References

cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2026-05-01T18:16:41.085Z

Reserved: 2026-04-06T00:00:00.000Z

Link: CVE-2026-37457

cve-icon Vulnrichment

Updated: 2026-05-01T18:13:50.404Z

cve-icon NVD

Status : Received

Published: 2026-05-01T18:16:14.770

Modified: 2026-05-01T19:16:30.247

Link: CVE-2026-37457

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-05-02T00:15:06Z