{"id":"CVE-2019-15693","url":"https://www.cyber-defence.io/tools/cve/CVE-2019-15693","generatedAt":"2026-10-28T21:30:35.031Z","title":"TigerVNC version prior to 1.10.1 is vulnerable to heap buffer overflow, which occurs in TightDecoder::FilterGradient.","description":"TigerVNC version prior to 1.10.1 is vulnerable to heap buffer overflow, which occurs in TightDecoder::FilterGradient. Exploitation of this vulnerability could potentially result into remote code execution. This attack appear to be exploitable via network connectivity.","published":"2019-12-26T15:15:11.000Z","lastModified":"2026-06-17T02:20:53.000Z","status":"Modified","sourceIdentifier":"vulnerability@kaspersky.com","cvss":{"version":"3.1","score":7.2,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-122","CWE-787"],"affected":["tigervnc/tigervnc"],"epss":{"score":0.04277,"percentile":0.91048,"date":"2026-10-27","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 (4.28%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00039.html","tags":["Broken Link"],"source":"vulnerability@kaspersky.com"},{"url":"https://github.com/CendioOssman/tigervnc/commit/b4ada8d0c6dac98c8b91fc64d112569a8ae5fb95","tags":["Patch","Third Party Advisory"],"source":"vulnerability@kaspersky.com"},{"url":"https://github.com/TigerVNC/tigervnc/releases/tag/v1.10.1","tags":["Release Notes","Third Party Advisory"],"source":"vulnerability@kaspersky.com"},{"url":"https://www.openwall.com/lists/oss-security/2019/12/20/2","tags":["Exploit","Mailing List","Third Party Advisory"],"source":"vulnerability@kaspersky.com"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00039.html","tags":["Broken Link"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/CendioOssman/tigervnc/commit/b4ada8d0c6dac98c8b91fc64d112569a8ae5fb95","tags":["Patch","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/TigerVNC/tigervnc/releases/tag/v1.10.1","tags":["Release Notes","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.openwall.com/lists/oss-security/2019/12/20/2","tags":["Exploit","Mailing List","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2019-15693","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."}