{"id":"CVE-2019-8265","url":"https://www.cyber-defence.io/tools/cve/CVE-2019-8265","generatedAt":"2026-10-27T23:25:03.680Z","title":"UltraVNC revision 1207 has multiple out-of-bounds access vulnerabilities connected with improper usage of SETPIXELS macro in VNC client code, which can potentially result in code execution.","description":"UltraVNC revision 1207 has multiple out-of-bounds access vulnerabilities connected with improper usage of SETPIXELS macro in VNC client code, which can potentially result in code execution. This attack appears to be exploitable via network connectivity. These vulnerabilities have been fixed in revision 1208.","published":"2019-03-08T23:29:00.000Z","lastModified":"2026-06-17T02:41:47.000Z","status":"Modified","sourceIdentifier":"vulnerability@kaspersky.com","cvss":{"version":"3.0","score":9.8,"severity":"CRITICAL","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-788","CWE-125","CWE-787"],"affected":["uvnc/ultravnc"],"epss":{"score":0.03142,"percentile":0.87826,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (3.14%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://cert-portal.siemens.com/productcert/pdf/ssa-286838.pdf","source":"vulnerability@kaspersky.com"},{"url":"https://cert-portal.siemens.com/productcert/pdf/ssa-927095.pdf","source":"vulnerability@kaspersky.com"},{"url":"https://cert-portal.siemens.com/productcert/pdf/ssa-940818.pdf","source":"vulnerability@kaspersky.com"},{"url":"https://ics-cert.kaspersky.com/advisories/klcert-advisories/2019/03/01/klcert-19-012-ultravnc-access-of-memory-location-after-end-of-buffer/","tags":["Third Party Advisory"],"source":"vulnerability@kaspersky.com"},{"url":"https://us-cert.cisa.gov/ics/advisories/icsa-21-131-11","source":"vulnerability@kaspersky.com"},{"url":"https://www.us-cert.gov/ics/advisories/icsa-20-161-06","source":"vulnerability@kaspersky.com"},{"url":"https://cert-portal.siemens.com/productcert/pdf/ssa-286838.pdf","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://cert-portal.siemens.com/productcert/pdf/ssa-927095.pdf","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://cert-portal.siemens.com/productcert/pdf/ssa-940818.pdf","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://ics-cert.kaspersky.com/advisories/klcert-advisories/2019/03/01/klcert-19-012-ultravnc-access-of-memory-location-after-end-of-buffer/","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://us-cert.cisa.gov/ics/advisories/icsa-21-131-11","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.us-cert.gov/ics/advisories/icsa-20-161-06","source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2019-8265","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}