CVE-2023-53879 - CVE House
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Status published Medium CVE-2023-53879

NVClient 5.0 Stack Buffer Overflow Vulnerability via User Configuration

Vulnerability Description

NVClient 5.0 contains a stack buffer overflow vulnerability in the user configuration contact field that allows attackers to crash the application. Attackers can overwrite 846 bytes of memory by pasting a crafted payload into the contact box, causing a denial of service condition.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Ahmet Ümit BAYRAM

Affected Vendor

neonguvenlik

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Affected Software

NVClient
Vulnerable Versions:
5.0

Timeline

Official Publish: December 15th, 2025
Last Modified: May 12th, 2026
Added to House: July 22nd, 2026

CVSS Vectors

Weaknesses (CWE)