{"id":"UBUNTU-CVE-2026-34352","details":"In TigerVNC before 1.16.2, Image.cxx in x0vncserver allows other users to observe or manipulate the screen contents, or cause an application crash, because of incorrect permissions.","modified":"2026-05-20T16:12:55.105054827Z","published":"2026-03-26T23:16:00Z","upstream":["CVE-2026-34352"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-34352"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2026-34352"},{"type":"REPORT","url":"https://groups.google.com/g/tigervnc-announce/c/anHL9WLshLI"},{"type":"REPORT","url":"https://www.openwall.com/lists/oss-security/2026/03/26/7"},{"type":"REPORT","url":"https://github.com/TigerVNC/tigervnc/commit/0b5cab169d847789efa54459a87659d3fd484393"},{"type":"REPORT","url":"https://sourceforge.net/projects/tigervnc/files/stable/1.16.2"}],"affected":[{"package":{"name":"tigervnc","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/tigervnc?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/2026/UBUNTU-CVE-2026-34352.json"}},{"package":{"name":"tigervnc","ecosystem":"Ubuntu:Pro:20.04:LTS","purl":"pkg:deb/ubuntu/tigervnc?arch=source&distro=esm-apps%2Ffocal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.9.0+dfsg-3","1.9.0+dfsg-4","1.10.1+dfsg-1","1.10.1+dfsg-2","1.10.1+dfsg-3","1.10.1+dfsg-3ubuntu0.1+esm2","1.10.1+dfsg-3ubuntu0.20.04.1","1.10.1+dfsg-3ubuntu0.20.04.1+esm1"],"ecosystem_specific":{"binaries":[{"binary_name":"tigervnc-common","binary_version":"1.10.1+dfsg-3ubuntu0.20.04.1+esm1"},{"binary_name":"tigervnc-scraping-server","binary_version":"1.10.1+dfsg-3ubuntu0.20.04.1+esm1"},{"binary_name":"tigervnc-standalone-server","binary_version":"1.10.1+dfsg-3ubuntu0.20.04.1+esm1"},{"binary_name":"tigervnc-viewer","binary_version":"1.10.1+dfsg-3ubuntu0.20.04.1+esm1"},{"binary_name":"tigervnc-xorg-extension","binary_version":"1.10.1+dfsg-3ubuntu0.20.04.1+esm1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-34352.json"}},{"package":{"name":"tigervnc","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/tigervnc?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.11.0+dfsg-2ubuntu1","1.12.0+dfsg-2","1.12.0+dfsg-3","1.12.0+dfsg-4","1.12.0+dfsg-4ubuntu0.22.04.1"],"ecosystem_specific":{"binaries":[{"binary_name":"tigervnc-common","binary_version":"1.12.0+dfsg-4ubuntu0.22.04.1"},{"binary_name":"tigervnc-scraping-server","binary_version":"1.12.0+dfsg-4ubuntu0.22.04.1"},{"binary_name":"tigervnc-standalone-server","binary_version":"1.12.0+dfsg-4ubuntu0.22.04.1"},{"binary_name":"tigervnc-tools","binary_version":"1.12.0+dfsg-4ubuntu0.22.04.1"},{"binary_name":"tigervnc-viewer","binary_version":"1.12.0+dfsg-4ubuntu0.22.04.1"},{"binary_name":"tigervnc-xorg-extension","binary_version":"1.12.0+dfsg-4ubuntu0.22.04.1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-34352.json"}},{"package":{"name":"tigervnc","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/tigervnc?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.12.0+dfsg-8","1.13.1+dfsg-1","1.13.1+dfsg-2","1.13.1+dfsg-2build1","1.13.1+dfsg-2build2"],"ecosystem_specific":{"binaries":[{"binary_name":"tigervnc-common","binary_version":"1.13.1+dfsg-2build2"},{"binary_name":"tigervnc-scraping-server","binary_version":"1.13.1+dfsg-2build2"},{"binary_name":"tigervnc-standalone-server","binary_version":"1.13.1+dfsg-2build2"},{"binary_name":"tigervnc-tools","binary_version":"1.13.1+dfsg-2build2"},{"binary_name":"tigervnc-viewer","binary_version":"1.13.1+dfsg-2build2"},{"binary_name":"tigervnc-xorg-extension","binary_version":"1.13.1+dfsg-2build2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-34352.json"}},{"package":{"name":"tigervnc","ecosystem":"Ubuntu:25.10","purl":"pkg:deb/ubuntu/tigervnc?arch=source&distro=questing"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.14.1+dfsg-1","1.15.0+dfsg-1","1.15.0+dfsg-2"],"ecosystem_specific":{"binaries":[{"binary_name":"tigervnc-common","binary_version":"1.15.0+dfsg-2"},{"binary_name":"tigervnc-scraping-server","binary_version":"1.15.0+dfsg-2"},{"binary_name":"tigervnc-standalone-server","binary_version":"1.15.0+dfsg-2"},{"binary_name":"tigervnc-tools","binary_version":"1.15.0+dfsg-2"},{"binary_name":"tigervnc-viewer","b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