NVClient 5.0 Stack Buffer Overflow Vulnerability via User Configuration
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- Active
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-121 and the CVSS impact.
Summary
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.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| neonguvenlik | NVClient | 5.0 | — | No fix listed | CNA |
- NVClient Vendorneonguvenlik Affected 5.0 Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:eyemaxsystems:nvclient:5.0:*:*:*:*:*:*:* | 5.0 | Vulnerable | Eyemaxsystems |
- cpe:2.3:a:eyemaxsystems:nvclient:5.0:*:*:*:*:*:*:* Versions 5.0 Vulnerable ·Eyemaxsystems
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2023-53879
- 2026-10-03 Alias added: GHSA-m8m6-q237-vh9r
References
Exploit 1
Sources
- CVE-2023-53879 · CVE Program
- CVE-2023-53879 · NVD
- FIRST EPSS
- GHSA-m8m6-q237-vh9r · GitHub Advisory Database · CC BY 4.0
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