{"id":"UBUNTU-CVE-2025-23050","details":"QLowEnergyController in Qt before 6.8.2 mishandles malformed Bluetooth ATT commands, leading to an out-of-bounds read (or division by zero). This is fixed in 5.15.19, 6.5.9, and 6.8.2.","modified":"2026-04-22T15:38:43.066032Z","published":"2025-10-31T02:15:00Z","upstream":["CVE-2025-23050"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2025-23050"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2025-23050"},{"type":"REPORT","url":"https://www.qt.io/blog/security-advisory-qlowenergycontroller-on-linux"},{"type":"REPORT","url":"https://github.com/qt/qtconnectivity/commit/aecbd657c841a2a8c74631ceac96b8ff1f03ab5c"},{"type":"REPORT","url":"https://download.qt.io/official_releases/qt/5.15/CVE-2025-23050-qtconnectivity-5.15.diff"}],"affected":[{"package":{"name":"qtconnectivity-opensource-src","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/qtconnectivity-opensource-src@5.5.1-2build1?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["5.4.2-2build1","5.5.1-2build1"],"ecosystem_specific":{"binaries":[{"binary_name":"libqt5bluetooth5","binary_version":"5.5.1-2build1"},{"binary_name":"libqt5bluetooth5-bin","binary_version":"5.5.1-2build1"},{"binary_name":"libqt5nfc5","binary_version":"5.5.1-2build1"},{"binary_name":"qml-module-qtbluetooth","binary_version":"5.5.1-2build1"},{"binary_name":"qml-module-qtnfc","binary_version":"5.5.1-2build1"},{"binary_version":"5.5.1-2build1","binary_name":"qtconnectivity5-doc-html"},{"binary_version":"5.5.1-2build1","binary_name":"qtconnectivity5-examples"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-23050.json"}},{"package":{"name":"qtconnectivity-opensource-src","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/qtconnectivity-opensource-src@5.9.5-0ubuntu1?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["5.9.1-2","5.9.2-2build1","5.9.3-0ubuntu1","5.9.4-0ubuntu1","5.9.5-0ubuntu1"],"ecosystem_specific":{"binaries":[{"binary_name":"libqt5bluetooth5","binary_version":"5.9.5-0ubuntu1"},{"binary_name":"libqt5bluetooth5-bin","binary_version":"5.9.5-0ubuntu1"},{"binary_name":"libqt5nfc5","binary_version":"5.9.5-0ubuntu1"},{"binary_name":"qml-module-qtbluetooth","binary_version":"5.9.5-0ubuntu1"},{"binary_name":"qml-module-qtnfc","binary_version":"5.9.5-0ubuntu1"},{"binary_name":"qtconnectivity5-doc-html","binary_version":"5.9.5-0ubuntu1"},{"binary_name":"qtconnectivity5-examples","binary_version":"5.9.5-0ubuntu1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-23050.json"}},{"package":{"name":"qtconnectivity-opensource-src","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/qtconnectivity-opensource-src@5.12.8-0ubuntu1?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["5.12.4-1","5.12.5-1","5.12.5-1build1","5.12.8-0ubuntu1"],"ecosystem_specific":{"binaries":[{"binary_name":"libqt5bluetooth5","binary_version":"5.12.8-0ubuntu1"},{"binary_name":"libqt5bluetooth5-bin","binary_version":"5.12.8-0ubuntu1"},{"binary_name":"libqt5nfc5","binary_version":"5.12.8-0ubuntu1"},{"binary_name":"qml-module-qtbluetooth","binary_version":"5.12.8-0ubuntu1"},{"binary_name":"qml-module-qtnfc","binary_version":"5.12.8-0ubuntu1"},{"binary_name":"qtconnectivity5-doc-html","binary_version":"5.12.8-0ubuntu1"},{"binary_name":"qtconnectivity5-examples","binary_version":"5.12.8-0ubuntu1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-23050.json"}},{"package":{"name":"qt6-connectivity","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/qt6-connectivity@6.2.4-1?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["6.2.2-2","6.2.4-1"],"ecosystem_specific":{"binaries":[{"binary_name":"libqt6bluetooth6","binary_version":"6.2.4-1"},{"binary_name":"libqt6bluetooth6-bin","binary_version":"6.2.4-1"},{"binary_name":"libqt6nfc6","binary_version":"6.2.4-1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-23050.json"}},{"package":{"name":"qtconnectivity-opensource-src","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/qtconnectivity-opensource-src@5.15.3-1?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["5.15.2-2","5.15.3-1"],"ecosystem_specific":{"binaries":[{"binary_name":"libqt5bluetooth5","binary_version":"5.15.3-1"},{"binary_name":"libqt5bluetooth5-bin","binary_version":"5.15.3-1"},{"binary_name":"libqt5nfc5","binary_version":"5.15.3-1"},{"binary_name":"qml-module-qtbluetooth","binary_version":"5.15.3-1"},{"binary_name":"qml-module-qtnfc","binary_version":"5.15.3-1"},{"binary_version":"5.15.3-1","binary_name":"qtconnectivity5-doc-html"},{"binary_name":"qtconnectivity5-examples","binary_version":"5.15.3-1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-noti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