Free Desktop Clock 3.0 contains a stack overflow vulnerability in the Time Zones display name input that allows attackers to overwrite Structured Exception Handler (SEH) registers. Attackers can exploit the vulnerability by crafting a malicious Unicode input that triggers an access violation and potentially execute arbitrary code.
Advisories

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Fixes

Solution

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Workaround

No workaround given by the vendor.

History

Fri, 06 Feb 2026 12:15:00 +0000

Type Values Removed Values Added
First Time appeared Drive Software Company
Drive Software Company free Desktop Clock
Vendors & Products Drive Software Company
Drive Software Company free Desktop Clock

Thu, 05 Feb 2026 22:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Thu, 05 Feb 2026 16:30:00 +0000

Type Values Removed Values Added
Description Free Desktop Clock 3.0 contains a stack overflow vulnerability in the Time Zones display name input that allows attackers to overwrite Structured Exception Handler (SEH) registers. Attackers can exploit the vulnerability by crafting a malicious Unicode input that triggers an access violation and potentially execute arbitrary code.
Title Free Desktop Clock x86 Venetian Blinds Zipper 3.0 - Unicode Stack Overflow (SEH)
Weaknesses CWE-121
References
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

cvssV4_0

{'score': 8.4, 'vector': 'CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-02-05T21:18:30.356Z

Reserved: 2026-02-03T16:27:45.305Z

Link: CVE-2020-37126

cve-icon Vulnrichment

Updated: 2026-02-05T21:18:27.188Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-02-05T17:16:07.373

Modified: 2026-02-05T20:47:37.777

Link: CVE-2020-37126

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-02-06T12:05:24Z

Weaknesses