{"id":"UBUNTU-CVE-2019-15693","details":"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.","modified":"2025-10-24T04:47:50Z","published":"2019-12-26T15:15:00Z","upstream":["CVE-2019-15693"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2019-15693"},{"type":"REPORT","url":"https://www.openwall.com/lists/oss-security/2019/12/20/2"},{"type":"REPORT","url":"https://github.com/TigerVNC/tigervnc/commit/b4ada8d0c6dac98c8b91fc64d112569a8ae5fb95"},{"type":"REPORT","url":"https://github.com/TigerVNC/tigervnc/commit/46c081926efd83c90a45c0a96b1b5bc1927e1346"},{"type":"REPORT","url":"https://github.com/CendioOssman/tigervnc/commit/b4ada8d0c6dac98c8b91fc64d112569a8ae5fb95"},{"type":"REPORT","url":"https://github.com/TigerVNC/tigervnc/releases/tag/v1.10.1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2019-15693"}],"affected":[{"package":{"name":"tigervnc","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/tigervnc@1.7.0+dfsg-8ubuntu2?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.7.0+dfsg-7ubuntu1","1.7.0+dfsg-8ubuntu2"],"ecosystem_specific":{"binaries":[{"binary_name":"tigervnc-common","binary_version":"1.7.0+dfsg-8ubuntu2"},{"binary_name":"tigervnc-scraping-server","binary_version":"1.7.0+dfsg-8ubuntu2"},{"binary_name":"tigervnc-standalone-server","binary_version":"1.7.0+dfsg-8ubuntu2"},{"binary_name":"tigervnc-viewer","binary_version":"1.7.0+dfsg-8ubuntu2"},{"binary_name":"tigervnc-xorg-extension","binary_version":"1.7.0+dfsg-8ubuntu2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2019/UBUNTU-CVE-2019-15693.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}]}