{"id":"UBUNTU-CVE-2026-101201","details":"A malformed header in the binary file fed to QBinaryJson::fromBinaryData() can cause undefined behaviour because of out-of-bounds read.","modified":"2026-10-28T20:16:29.364099288Z","published":"2026-10-20T09:17:00Z","upstream":["CVE-2026-101201"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-101201"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2026-101201"},{"type":"REPORT","url":"https://github.com/qt/qt5compat/commit/721ed576391211ca53ecdaaecf6dd41df7bc962e"},{"type":"REPORT","url":"https://github.com/qt/qt5compat/commit/c0a495894d83a3c48055bd1e544f93147fc6ade1"},{"type":"REPORT","url":"https://security-tracker.debian.org/tracker/cve-2026-101201"},{"type":"REPORT","url":"https://wiki.qt.io/list_of_known_vulnerabilities_in_qt_products#cve-2026-101201"},{"type":"REPORT","url":"https://advisory.echohq.com/cve/cve-2026-101201"}],"affected":[{"package":{"name":"qtbase-opensource-src-gles","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/qtbase-opensource-src-gles?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["5.4.2+dfsg-2ubuntu9","5.5.1+dfsg-6ubuntu1","5.5.1+dfsg-10ubuntu1","5.5.1+dfsg-13ubuntu1","5.5.1+dfsg-13ubuntu2","5.5.1+dfsg-13ubuntu3","5.5.1+dfsg-14ubuntu1","5.5.1+dfsg-14ubuntu2","5.5.1+dfsg-14ubuntu3","5.5.1+dfsg-15ubuntu1","5.5.1+dfsg-16ubuntu1","5.5.1+dfsg-16ubuntu4","5.5.1+dfsg-16ubuntu5","5.5.1+dfsg-16ubuntu6"],"ecosystem_specific":{"binaries":[{"binary_version":"5.5.1+dfsg-16ubuntu6","binary_name":"libqt5gui5-gles"},{"binary_version":"5.5.1+dfsg-16ubuntu6","binary_name":"libqt5opengl5-gles"},{"binary_version":"5.5.1+dfsg-16ubuntu6","binary_name":"qt5-qmake-gles"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-101201.json"}},{"package":{"name":"qtbase-opensource-src-gles","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/qtbase-opensource-src-gles?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["5.12.4+dfsg-1build1","5.12.5+dfsg-1","5.12.5+dfsg-2","5.12.8+dfsg-0ubuntu1"],"ecosystem_specific":{"binaries":[{"binary_name":"libqt5gui5-gles","binary_version":"5.12.8+dfsg-0ubuntu1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-101201.json"}},{"package":{"name":"qtbase-opensource-src-gles","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/qtbase-opensource-src-gles?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["5.15.2+dfsg-4","5.15.2+dfsg-5","5.15.3+dfsg-1"],"ecosystem_specific":{"binaries":[{"binary_name":"libqt5gui5-gles","binary_version":"5.15.3+dfsg-1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-101201.json"}},{"package":{"name":"qtbase-opensource-src-gles","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/qtbase-opensource-src-gles?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["5.15.10+dfsg-2","5.15.10+dfsg-3","5.15.12+dfsg-1","5.15.12+dfsg-1ubuntu1","5.15.12+dfsg-1ubuntu2","5.15.13+dfsg-1"],"ecosystem_specific":{"binaries":[{"binary_name":"libqt5gui5-gles","binary_version":"5.15.13+dfsg-1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-101201.json"}},{"package":{"name":"qtbase-opensource-src-gles","ecosystem":"Ubuntu:26.10","purl":"pkg:deb/ubuntu/qtbase-opensource-src-gles?arch=source&distro=stonking"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["5.15.18+dfsg-1","5.15.19+dfsg-2"],"ecosystem_specific":{"binaries":[{"binary_version":"5.15.19+dfsg-2","binary_name":"libqt5gui5-gles"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-101201.json"}},{"package":{"name":"qtbase-opensource-src-gles","ecosystem":"Ubuntu:26.04:LTS","purl":"pkg:deb/ubuntu/qtbase-opensource-src-gles?arch=source&distro=resolute"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["5.15.17+dfsg-1","5.15.17+dfsg-2","5.15.18+dfsg-1"],"ecosystem_specific":{"binaries":[{"binary_name":"libqt5gui5-gles","binary_version":"5.15.18+dfsg-1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-101201.json"}}],"schema_version":"1.9.2","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/R:U/RE:L/U:Amber"},{"type":"CVSS_V4","score":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/R:U/RE:L/U:Amber"},{"type":"Ubuntu","score":"medium"}]}