CVE-2023-53879

MEDIUM
Published Dec 15, 2025 Modified Dec 18, 2025 CWE-121 CWE-787

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.

CVSS v3.1 Score

5.5
MEDIUM
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Weakness Type (CWE)

CWE-121 CWE-121
CWE-787 Out-of-bounds Write

Affected Products

Vendor Product
eyemaxsystems nvclient

References

Frequently Asked Questions

What is CVE-2023-53879? +
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. It has a CVSS v3.1 base score of 5.5 (MEDIUM).
How severe is CVE-2023-53879? +
CVE-2023-53879 has a CVSS v3.1 score of 5.5 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.
What products are affected by CVE-2023-53879? +
CVE-2023-53879 affects products from eyemaxsystems, specifically: nvclient. Check the affected products table above for specific version ranges.
How do I check if I'm vulnerable to CVE-2023-53879? +
You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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