Description
FalkorDB (Redis module) v4.20.1 to v4.20.4 was discovered to contain a stack overflow in the _ValidateUnion_Clauses function (/ast/ast_validations.c). This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted input.
Published: 2026-09-21
Score: 7.5 High
EPSS: < 1% Very Low
KEV: No
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Mon, 28 Sep 2026 20:15:00 +0000

Type Values Removed Values Added
First Time appeared Falkordb
Falkordb falkordb
Vendors & Products Falkordb
Falkordb falkordb

Thu, 24 Sep 2026 04:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

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


Tue, 22 Sep 2026 17:45:00 +0000

Type Values Removed Values Added
Title Stack Overflow in FalkorDB Redis Module Causes Denial of Service in Versions 4.20.1‑4.20.4
Weaknesses CWE-119

Tue, 22 Sep 2026 15:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-121

Mon, 21 Sep 2026 23:15:00 +0000

Type Values Removed Values Added
Title Stack Overflow in FalkorDB Redis Module Causes Denial of Service in Versions 4.20.1‑4.20.4
Weaknesses CWE-119

Mon, 21 Sep 2026 21:15:00 +0000

Type Values Removed Values Added
Description FalkorDB (Redis module) v4.20.1 to v4.20.4 was discovered to contain a stack overflow in the _ValidateUnion_Clauses function (/ast/ast_validations.c). This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted input.
References
Metrics cvssV3_1

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


Subscriptions

Falkordb Falkordb
cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2026-09-22T14:55:53.187Z

Reserved: 2026-09-10T00:00:00.000Z

Link: CVE-2026-88406

cve-icon Vulnrichment

Updated: 2026-09-22T14:55:36.506Z

cve-icon NVD

Status : Deferred

Published: 2026-09-21T21:17:14.733

Modified: 2026-09-22T20:00:03.713

Link: CVE-2026-88406

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-28T19:48:20Z

Weaknesses