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CVE-2026-37459 Details

ANALYZED

This CVE record has been analyzed and enriched by NVDAPI.com as an independent party.

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.

Metrics

CVSS 3.x Severity and Vector Strings:

VolerionCVSS-B:7.5 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CNA: redhat-SADPCVSS-B:7.5 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://access.redhat.com/errata/RHSA-2026:24347	redhat-SADP
https://access.redhat.com/errata/RHSA-2026:24370	redhat-SADP
https://access.redhat.com/security/cve/CVE-2026-37459	redhat-SADP
https://bugzilla.redhat.com/show_bug.cgi?id=2466513	redhat-SADP
https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-37459.json	redhat-SADP
https://github.com/FRRouting/frr/commit/693a2e02687cdc9d16501275e05136edea9650d9	[email protected]	Source CodeVendor

see all 6 references

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-191	Integer Underflow (Wrap or Wraparound)	redhat-SADP
CWE-400	Uncontrolled Resource Consumption	CISA-ADP

Affected Products

Product	Versions
FRRouting	>= 10.0, <= 10.6
CPE cpe:2.3:a:frrouting:frrouting:::::::: Remediation Upgrade: 10.7moderate effort

Change History

6 change records found show changes

Date	Action	Recorded By
Jul 15, 2026	CVE Modified	redhat-SADP
Jun 30, 2026	CVE Modified	redhat-SADP
Jun 17, 2026	CVE Modified	[email protected]
Jun 17, 2026	CVE Modified	CISA-ADP
May 4, 2026	CVE Modified	CISA-ADP
May 4, 2026	New CVE Received	[email protected]