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OpenAdvisories
High RHSA-2026:84582 1 CVE

Red Hat Security Advisory: qt6-qtbase security update

Published Oct 19, 2026 · Updated Oct 19, 2026

Ecosystem: Red Hat

Fixed packages 19

ReleasePackageFixed in
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 qt6-qtbase 0:6.8.1-9.el10_0.1
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 qt6-qtbase-common 0:6.8.1-9.el10_0.1
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 qt6-qtbase-debuginfo 0:6.8.1-9.el10_0.1
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 qt6-qtbase-debugsource 0:6.8.1-9.el10_0.1
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 qt6-qtbase-devel 0:6.8.1-9.el10_0.1
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 qt6-qtbase-devel-debuginfo 0:6.8.1-9.el10_0.1
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 qt6-qtbase-examples 0:6.8.1-9.el10_0.1
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 qt6-qtbase-examples-debuginfo 0:6.8.1-9.el10_0.1
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 qt6-qtbase-gui 0:6.8.1-9.el10_0.1
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 qt6-qtbase-gui-debuginfo 0:6.8.1-9.el10_0.1
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 qt6-qtbase-mysql 0:6.8.1-9.el10_0.1
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 qt6-qtbase-mysql-debuginfo 0:6.8.1-9.el10_0.1
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 qt6-qtbase-odbc 0:6.8.1-9.el10_0.1
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 qt6-qtbase-odbc-debuginfo 0:6.8.1-9.el10_0.1
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 qt6-qtbase-postgresql 0:6.8.1-9.el10_0.1
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 qt6-qtbase-postgresql-debuginfo 0:6.8.1-9.el10_0.1
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 qt6-qtbase-private-devel 0:6.8.1-9.el10_0.1
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 qt6-qtbase-static 0:6.8.1-9.el10_0.1
Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 qt6-qtbase-tests-debuginfo 0:6.8.1-9.el10_0.1

Vulnerabilities 1

  • High 7.1
    CVE-2026-11573

    Uncontrolled recursion in QDomDocument/QDomNode serialization causes stack exhaustion (QtXml)

    Uncontrolled recursion (CWE-674) in the QDomDocument/QDomNode serialization path of the Qt XML module (QtXml, qtbase). QDomElementPrivate::save() and QDomNodePrivate::save() recurse mutually, consuming one stack frame per level of element nesting with no dept…

    Qt Project Qt qtbase-opensource-src qtbase-opensource-src Debian Ubuntu Azure Linux

References

  • article
    https://access.redhat.com/security/updates/classification/#important
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2529762
  • advisory
    https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_84582.json
  • report
    https://access.redhat.com/security/cve/CVE-2026-11573
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2026-11573
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2026-11573
  • article
    https://codereview.qt-project.org/c/qt/qtbase/+/606899