{"id":"UBUNTU-CVE-2026-96432","details":"A malicious or compromised HTTP/2 server withholding SETTINGS ACK can send RST_STREAM on a completed stream, planting a null pointer, and then send a PUSH_PROMISE for that stream, causing a null pointer dereference in the QNetworkAccessManager class of the Qt Network module that crashes the application.","modified":"2026-10-28T20:15:52.899092198Z","published":"2026-10-26T12:17:00Z","upstream":["CVE-2026-96432"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-96432"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2026-96432"},{"type":"REPORT","url":"https://github.com/qt/qtbase/commit/156dcb4770d7f4747b973ba509f6df1933f64817"},{"type":"REPORT","url":"https://security-tracker.debian.org/tracker/cve-2026-96432"},{"type":"REPORT","url":"https://wiki.qt.io/list_of_known_vulnerabilities_in_qt_products#cve-2026-96432:"}],"affected":[{"package":{"name":"qt6-base","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/qt6-base?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["6.2.2+dfsg-5ubuntu1","6.2.2+dfsg-6ubuntu1","6.2.2+dfsg-6ubuntu2","6.2.4+dfsg-1ubuntu1","6.2.4+dfsg-2ubuntu1","6.2.4+dfsg-2ubuntu1.1"],"ecosystem_specific":{"binaries":[{"binary_name":"libqt6concurrent6","binary_version":"6.2.4+dfsg-2ubuntu1.1"},{"binary_name":"libqt6core6","binary_version":"6.2.4+dfsg-2ubuntu1.1"},{"binary_name":"libqt6dbus6","binary_version":"6.2.4+dfsg-2ubuntu1.1"},{"binary_name":"libqt6gui6","binary_version":"6.2.4+dfsg-2ubuntu1.1"},{"binary_version":"6.2.4+dfsg-2ubuntu1.1","binary_name":"libqt6network6"},{"binary_name":"libqt6opengl6","binary_version":"6.2.4+dfsg-2ubuntu1.1"},{"binary_name":"libqt6openglwidgets6","binary_version":"6.2.4+dfsg-2ubuntu1.1"},{"binary_name":"libqt6printsupport6","binary_version":"6.2.4+dfsg-2ubuntu1.1"},{"binary_name":"libqt6sql6","binary_version":"6.2.4+dfsg-2ubuntu1.1"},{"binary_version":"6.2.4+dfsg-2ubuntu1.1","binary_name":"libqt6sql6-ibase"},{"binary_name":"libqt6sql6-mysql","binary_version":"6.2.4+dfsg-2ubuntu1.1"},{"binary_name":"libqt6sql6-odbc","binary_version":"6.2.4+dfsg-2ubuntu1.1"},{"binary_name":"libqt6sql6-psql","binary_version":"6.2.4+dfsg-2ubuntu1.1"},{"binary_name":"libqt6sql6-sqlite","binary_version":"6.2.4+dfsg-2ubuntu1.1"},{"binary_name":"libqt6test6","binary_version":"6.2.4+dfsg-2ubuntu1.1"},{"binary_version":"6.2.4+dfsg-2ubuntu1.1","binary_name":"libqt6widgets6"},{"binary_name":"libqt6xml6","binary_version":"6.2.4+dfsg-2ubuntu1.1"},{"binary_version":"6.2.4+dfsg-2ubuntu1.1","binary_name":"qmake6"},{"binary_version":"6.2.4+dfsg-2ubuntu1.1","binary_name":"qmake6-bin"},{"binary_name":"qt6-base-dev-tools","binary_version":"6.2.4+dfsg-2ubuntu1.1"},{"binary_name":"qt6-gtk-platformtheme","binary_version":"6.2.4+dfsg-2ubuntu1.1"},{"binary_name":"qt6-qpa-plugins","binary_version":"6.2.4+dfsg-2ubuntu1.1"},{"binary_version":"6.2.4+dfsg-2ubuntu1.1","binary_name":"qt6-xdgdesktopportal-platformtheme"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-96432.json"}},{"package":{"name":"qt6-base","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/qt6-base?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["6.4.2+dfsg-18","6.4.2+dfsg-19","6.4.2+dfsg-19build1","6.4.2+dfsg-20","6.4.2+dfsg-21","6.4.2+dfsg-21.1build4","6.4.2+dfsg-21.1build5"],"ecosystem_specific":{"binaries":[{"binary_version":"6.4.2+dfsg-21.1build5","binary_name":"libqt6concurrent6t64"},{"binary_name":"libqt6core6t64","binary_version":"6.4.2+dfsg-21.1build5"},{"binary_name":"libqt6dbus6t64","binary_version":"6.4.2+dfsg-21.1build5"},{"binary_name":"libqt6gui6t64","binary_version":"6.4.2+dfsg-21.1build5"},{"binary_name":"libqt6network6t64","binary_version":"6.4.2+dfsg-21.1build5"},{"binary_name":"libqt6opengl6t64","binary_version":"6.4.2+dfsg-21.1build5"},{"binary_name":"libqt6openglwidgets6t64","binary_version":"6.4.2+dfsg-21.1build5"},{"binary_name":"libqt6printsupport6t64","binary_version":"6.4.2+dfsg-21.1build5"},{"binary_version":"6.4.2+dfsg-21.1build5","binary_name":"libqt6sql6-ibase"},{"binary_name":"libqt6sql6-mysql","binary_version":"6.4.2+dfsg-21.1build5"},{"binary_name":"libqt6sql6-odbc","binary_version":"6.4.2+dfsg-21.1build5"},{"binary_version":"6.4.2+dfsg-21.1build5","binary_name":"libqt6sql6-psql"},{"binary_name":"libqt6sql6-sqlite","binary_version":"6.4.2+dfsg-21.1build5"},{"binary_name":"libqt6sql6t64","binary_version":"6.4.2+dfsg-21.1build5"},{"binary_name":"libqt6test6t64","binary_version":"6.4.2+dfsg-21.1build5"},{"binary_version":"6.4.2+dfsg-21.1build5","binary_name":"libqt6widgets6t64"},{"binary_name":"libqt6xml6t64","binary_version":"6.4.2+dfsg-21.1build5"},{"binary_name":"qmake6","binary_version":"6.4.2+dfsg-21.1build5"},{"binary_name":"qmake6-bin","binary_version":"6.4.2+dfsg-21.1build5"},{"binary_name":"qt6-base-dev-tools","binary_version":"6.4.2+dfsg-21.1build5"},{"binary_version":"6.4.2+dfsg-21.1build5","binary_name":"qt6-base-doc-html"},{"binary_name":"qt6-base-examples","binary_version":"6.4.2+dfsg-21.1build5"},{"binary_version":"6.4.2+dfsg-21.1build5","binary_name":"qt6-gtk-platformtheme"},{"binary_name":"qt6-qpa-plugins","binary_version":"6.4.2+dfsg-21.1build5"},{"bina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