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.

Project Subscriptions

Vendors Products
Falkordb Subscribe
Falkordb Subscribe
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

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'}


Projects

Sign in to view the affected projects.

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