CVE-2026-37459

HIGH

CVSS v3.1: 7.5 · EPSS: 0.0026 (17.6 percentile)

NetworkNo privilegesNo user interactionResource Exhaustion (DoS)Vendor advisory ref

Source data as of:

At a glance

Severity
HIGH
CVSS
7.5 v3.1 · NVD
EPSS
0.0026 (17.6 percentile) · FIRST.org
CISA KEV
No
Type
Resource Exhaustion (DoS) · NVD CWE
Attack conditions (CVSS vector)
NetworkNo privilegesNo user interaction · Source: NVD Vector
Published
2026-05-04 · Modified: 2026-06-30
References
Jump to references (6)

CVSS / EPSS / KEV

CVSS v3.1 7.5 / 10 HIGH Source: NVD
EPSS 0.0026 17.6 percentile Source: FIRST.org
CISA KEV No Source: CISA

Source — CVSS: NVD · EPSS: FIRST.org · KEV: CISA. Data & Sources

Description

An integer underflow in FRRouting (FRR) stable/10.0 to stable/10.6 allows attackers to cause a Denial of Service (DoS) via supplying a crafted BGP UPDATE message.

Record details

CVE ID
CVE-2026-37459
CVSS (v3.1)
7.5 (HIGH)
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Exploitability subscore
3.9
Impact subscore
3.6
EPSS
0.0026 (17.6 percentile) — 2026-06-30
CISA KEV
No
Weakness (CWE)
CWE-400, CWE-191
Affected configurations (CPE)
0
Published
2026-05-04
Modified
2026-06-30
Status
Deferred

References

Reference URLs as listed by NVD, grouped by a mechanical match on the link's host/pattern. Labels describe the link type only.

Related records

Other records sharing a factual facet, for cross-reference. A descriptive neighbourhood — ordering does not imply priority and is not a recommendation.

Same weakness type (CWE)

CVE-2026-34045 HIGH CVSS 8.2 CVE-2023-54365 HIGH CVSS 7.5 CVE-2024-8418 HIGH CVSS 7.5 CVE-2025-59465 HIGH CVSS 7.5

Published the same year

CVE-2026-0881 CRITICAL CVSS 10.0 CVE-2026-2760 CRITICAL CVSS 10.0 CVE-2026-2761 CRITICAL CVSS 10.0 CVE-2026-2768 CRITICAL CVSS 10.0
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