CVE-2019-25601
UltraVNC Launcher 1.2.2.4 contains a buffer overflow vulnerability in the Path vncviewer.exe property field that allows local attackers to crash the application by supplying an excessively long string. Attackers can input a 300-byte payload of repeated characters through the Properties dialog to trigger a denial of service condition.
- Score
- CVSS 4.0 6.9 Medium
- Status
- Deferred - disclosure@vulncheck.com
- Published
- 2026-03-22
- Last modified
- 2026-10-01
- Weaknesses
- CWE-787
Affected products
References
- https://www.exploit-db.com/exploits/46703
- https://www.uvnc.com/
- https://www.uvnc.com/downloads/ultravnc/126-download-ultravnc-1224.html
- https://www.vulncheck.com/advisories/ultravnc-launcher-denial-of-service-buffer-overflow
