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OpenAdvisories
Medium RHSA-2026:74444 1 CVE

Red Hat Security Advisory: qt security update

Published Oct 2, 2026 · Updated Oct 2, 2026

Ecosystem: Red Hat

Fixed packages 15

ReleasePackageFixed in
Red Hat · RHEL 7 ELS rhel_els:7 qt 1:4.8.7-10.el7_9
Red Hat · RHEL 7 ELS rhel_els:7 qt-assistant 1:4.8.7-10.el7_9
Red Hat · RHEL 7 ELS rhel_els:7 qt-config 1:4.8.7-10.el7_9
Red Hat · RHEL 7 ELS rhel_els:7 qt-debuginfo 1:4.8.7-10.el7_9
Red Hat · RHEL 7 ELS rhel_els:7 qt-demos 1:4.8.7-10.el7_9
Red Hat · RHEL 7 ELS rhel_els:7 qt-devel 1:4.8.7-10.el7_9
Red Hat · RHEL 7 ELS rhel_els:7 qt-devel-private 1:4.8.7-10.el7_9
Red Hat · RHEL 7 ELS rhel_els:7 qt-doc 1:4.8.7-10.el7_9
Red Hat · RHEL 7 ELS rhel_els:7 qt-examples 1:4.8.7-10.el7_9
Red Hat · RHEL 7 ELS rhel_els:7 qt-mysql 1:4.8.7-10.el7_9
Red Hat · RHEL 7 ELS rhel_els:7 qt-odbc 1:4.8.7-10.el7_9
Red Hat · RHEL 7 ELS rhel_els:7 qt-postgresql 1:4.8.7-10.el7_9
Red Hat · RHEL 7 ELS rhel_els:7 qt-qdbusviewer 1:4.8.7-10.el7_9
Red Hat · RHEL 7 ELS rhel_els:7 qt-qvfb 1:4.8.7-10.el7_9
Red Hat · RHEL 7 ELS rhel_els:7 qt-x11 1:4.8.7-10.el7_9

Vulnerabilities 1

  • Medium 6.3
    CVE-2026-9499

    Out-of-bounds read in QTextCodec::codecForName() in Qt

    An out-of-bounds read (buffer over-read) vulnerability exists in QTextCodec::codecForName() in Qt. When the function is called with a QByteArray that is not NUL-terminated (for example, one created with QByteArray::fromRawData()), the codec-name matching rout…

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

References

  • article
    https://access.redhat.com/security/updates/classification/#important
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2503641
  • advisory
    https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_74444.json
  • report
    https://access.redhat.com/security/cve/CVE-2026-9499
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2026-9499
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2026-9499
  • article
    https://codereview.qt-project.org/c/qt/qt5compat/+/723911
  • article
    https://codereview.qt-project.org/c/qt/qt5compat/+/724348
  • article
    https://codereview.qt-project.org/c/qt/qt5compat/+/724995
  • article
    https://codereview.qt-project.org/c/qt/tqtc-qt5compat/+/725112