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: n/a
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, 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

No data.

cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2026-09-21T21:02:07.296Z

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

Link: CVE-2026-88406

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

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

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

Link: CVE-2026-88406

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-21T23:00:12Z

Weaknesses
  • CWE-119

    Improper Restriction of Operations within the Bounds of a Memory Buffer