{"id":"CVE-2019-25601","revision":"bd29e34445c443cebaab94b294b487e8","records":[{"revision":"bd29e34445c443cebaab94b294b487e8","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2019-25601","aliases":[],"title":"UltraVNC Launcher 1.2.2.4 Denial of Service Buffer Overflow","description":"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.","state":0,"publishedAt":"2026-03-22T13:38:37.511+00:00","modifiedAt":"2026-10-01T21:44:52.782+00:00","affected":[{"ecosystem":"Vendor product","name":"UltraVNC Launcher","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"Uvnc\",\n                    \"product\": \"UltraVNC Launcher\",\n                    \"versions\": [\n                        {\n                            \"version\": \"1.2.2.4\",\n                            \"status\": \"affected\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","score":6.9,"severity":"MEDIUM"},{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":6.2,"severity":"MEDIUM"}],"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"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2019-25601","license":"CVE Program Terms of Use","key":"cve-program:CVE-2019-25601","identifiers":["CVE-2019-25601"]},"retained":false,"historicalAffected":[]}],"coverage":[]}