CVE-2023-53879CWE-121

NVClient 5.0 Stack Buffer Overflow Vulnerability via User Configuration

Medium · published December 15, 2025

CVSS v4.0
6.7
EPSS
0%
Percentile
11.8
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
6.7 · MEDIUM
Vector
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
EPSS
0.00220 · 11.8th percentile
Weakness
CWE-121 · Stack-based Buffer Overflow
Published
2025-12-15T20:32Z
EPSS history
Timeline
  • 15 DEC 20:32Z
    NVClient 5.0 Stack Buffer Overflow Vulnerability via User Configuration
    cvelistv5