RHSA-2026:98636: Important: qt6-qtbase security update

Published Nov 11, 2026
·
Updated

Qt is a software toolkit for developing applications. This package contains base tools, like string, xml, and network handling.Security Fix(es): qt5-qtbase: qt6-qtbase: qt: Denial of Service via excessively large HTTP Cache-Control header (CVE-2026-76151) qt: qt: Denial of Service via crafted XML parsing in QXmlStreamReader (CVE-2026-16762) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Affected Software

73 affected componentsFixes available
redhat/qt6-qtbase<6.10.1-1.el10_3.2
6.10.1-1.el10_3.2
redhat/qt6-qtbase<6.10.1-1.el10_3.2
6.10.1-1.el10_3.2
redhat/qt6-qtbase-common<6.10.1-1.el10_3.2
6.10.1-1.el10_3.2
redhat/qt6-qtbase-debuginfo<6.10.1-1.el10_3.2
6.10.1-1.el10_3.2
redhat/qt6-qtbase-debugsource<6.10.1-1.el10_3.2
6.10.1-1.el10_3.2
redhat/qt6-qtbase-devel<6.10.1-1.el10_3.2
6.10.1-1.el10_3.2
redhat/qt6-qtbase-devel-debuginfo<6.10.1-1.el10_3.2
6.10.1-1.el10_3.2
redhat/qt6-qtbase-examples-debuginfo<6.10.1-1.el10_3.2
6.10.1-1.el10_3.2
redhat/qt6-qtbase-gui<6.10.1-1.el10_3.2
6.10.1-1.el10_3.2
redhat/qt6-qtbase-gui-debuginfo<6.10.1-1.el10_3.2
6.10.1-1.el10_3.2
redhat/qt6-qtbase-mysql<6.10.1-1.el10_3.2
6.10.1-1.el10_3.2
redhat/qt6-qtbase-mysql-debuginfo<6.10.1-1.el10_3.2
6.10.1-1.el10_3.2
redhat/qt6-qtbase-odbc<6.10.1-1.el10_3.2
6.10.1-1.el10_3.2
redhat/qt6-qtbase-odbc-debuginfo<6.10.1-1.el10_3.2
6.10.1-1.el10_3.2
redhat/qt6-qtbase-postgresql<6.10.1-1.el10_3.2
6.10.1-1.el10_3.2
redhat/qt6-qtbase-postgresql-debuginfo<6.10.1-1.el10_3.2
6.10.1-1.el10_3.2
redhat/qt6-qtbase-tests-debuginfo<6.10.1-1.el10_3.2
6.10.1-1.el10_3.2
redhat/qt6-qtbase-debuginfo<6.10.1-1.el10_3.2
6.10.1-1.el10_3.2
redhat/qt6-qtbase-debugsource<6.10.1-1.el10_3.2
6.10.1-1.el10_3.2
redhat/qt6-qtbase-devel<6.10.1-1.el10_3.2
6.10.1-1.el10_3.2
redhat/qt6-qtbase-devel-debuginfo<6.10.1-1.el10_3.2
6.10.1-1.el10_3.2
redhat/qt6-qtbase-examples-debuginfo<6.10.1-1.el10_3.2
6.10.1-1.el10_3.2
redhat/qt6-qtbase-gui<6.10.1-1.el10_3.2
6.10.1-1.el10_3.2
redhat/qt6-qtbase-gui-debuginfo<6.10.1-1.el10_3.2
6.10.1-1.el10_3.2
redhat/qt6-qtbase-mysql<6.10.1-1.el10_3.2
6.10.1-1.el10_3.2
redhat/qt6-qtbase-mysql-debuginfo<6.10.1-1.el10_3.2
6.10.1-1.el10_3.2
redhat/qt6-qtbase-odbc<6.10.1-1.el10_3.2
6.10.1-1.el10_3.2
redhat/qt6-qtbase-odbc-debuginfo<6.10.1-1.el10_3.2
6.10.1-1.el10_3.2
redhat/qt6-qtbase-postgresql<6.10.1-1.el10_3.2
6.10.1-1.el10_3.2
redhat/qt6-qtbase-postgresql-debuginfo<6.10.1-1.el10_3.2
6.10.1-1.el10_3.2
redhat/qt6-qtbase-tests-debuginfo<6.10.1-1.el10_3.2
6.10.1-1.el10_3.2
redhat/qt6-qtbase<6.10.1-1.el10_3.2
6.10.1-1.el10_3.2
redhat/qt6-qtbase-debuginfo<6.10.1-1.el10_3.2
6.10.1-1.el10_3.2
redhat/qt6-qtbase-debugsource<6.10.1-1.el10_3.2
6.10.1-1.el10_3.2
redhat/qt6-qtbase-devel<6.10.1-1.el10_3.2
6.10.1-1.el10_3.2
redhat/qt6-qtbase-devel-debuginfo<6.10.1-1.el10_3.2
6.10.1-1.el10_3.2
redhat/qt6-qtbase-examples-debuginfo<6.10.1-1.el10_3.2
6.10.1-1.el10_3.2
redhat/qt6-qtbase-gui<6.10.1-1.el10_3.2
6.10.1-1.el10_3.2
redhat/qt6-qtbase-gui-debuginfo<6.10.1-1.el10_3.2
6.10.1-1.el10_3.2
redhat/qt6-qtbase-mysql<6.10.1-1.el10_3.2
6.10.1-1.el10_3.2
redhat/qt6-qtbase-mysql-debuginfo<6.10.1-1.el10_3.2
6.10.1-1.el10_3.2
redhat/qt6-qtbase-odbc<6.10.1-1.el10_3.2
6.10.1-1.el10_3.2
redhat/qt6-qtbase-odbc-debuginfo<6.10.1-1.el10_3.2
6.10.1-1.el10_3.2
redhat/qt6-qtbase-postgresql<6.10.1-1.el10_3.2
6.10.1-1.el10_3.2
redhat/qt6-qtbase-postgresql-debuginfo<6.10.1-1.el10_3.2
6.10.1-1.el10_3.2
redhat/qt6-qtbase-tests-debuginfo<6.10.1-1.el10_3.2
6.10.1-1.el10_3.2
redhat/qt6-qtbase<6.10.1-1.el10_3.2.aa
6.10.1-1.el10_3.2.aa
redhat/qt6-qtbase-debuginfo<6.10.1-1.el10_3.2.aa
6.10.1-1.el10_3.2.aa
redhat/qt6-qtbase-debugsource<6.10.1-1.el10_3.2.aa
6.10.1-1.el10_3.2.aa
redhat/qt6-qtbase-devel<6.10.1-1.el10_3.2.aa
6.10.1-1.el10_3.2.aa
redhat/qt6-qtbase-devel-debuginfo<6.10.1-1.el10_3.2.aa
6.10.1-1.el10_3.2.aa
redhat/qt6-qtbase-examples-debuginfo<6.10.1-1.el10_3.2.aa
6.10.1-1.el10_3.2.aa
redhat/qt6-qtbase-gui<6.10.1-1.el10_3.2.aa
6.10.1-1.el10_3.2.aa
redhat/qt6-qtbase-gui-debuginfo<6.10.1-1.el10_3.2.aa
6.10.1-1.el10_3.2.aa
redhat/qt6-qtbase-mysql<6.10.1-1.el10_3.2.aa
6.10.1-1.el10_3.2.aa
redhat/qt6-qtbase-mysql-debuginfo<6.10.1-1.el10_3.2.aa
6.10.1-1.el10_3.2.aa
redhat/qt6-qtbase-odbc<6.10.1-1.el10_3.2.aa
6.10.1-1.el10_3.2.aa
redhat/qt6-qtbase-odbc-debuginfo<6.10.1-1.el10_3.2.aa
6.10.1-1.el10_3.2.aa
redhat/qt6-qtbase-postgresql<6.10.1-1.el10_3.2.aa
6.10.1-1.el10_3.2.aa
redhat/qt6-qtbase-postgresql-debuginfo<6.10.1-1.el10_3.2.aa
6.10.1-1.el10_3.2.aa
redhat/qt6-qtbase-tests-debuginfo<6.10.1-1.el10_3.2.aa
6.10.1-1.el10_3.2.aa
redhat/qt6-qtbase-examples<6.10.1-1.el10_3.2
6.10.1-1.el10_3.2
redhat/qt6-qtbase-private-devel<6.10.1-1.el10_3.2
6.10.1-1.el10_3.2
redhat/qt6-qtbase-static<6.10.1-1.el10_3.2
6.10.1-1.el10_3.2
redhat/qt6-qtbase-examples<6.10.1-1.el10_3.2
6.10.1-1.el10_3.2
redhat/qt6-qtbase-private-devel<6.10.1-1.el10_3.2
6.10.1-1.el10_3.2
redhat/qt6-qtbase-static<6.10.1-1.el10_3.2
6.10.1-1.el10_3.2
redhat/qt6-qtbase-examples<6.10.1-1.el10_3.2.aa
6.10.1-1.el10_3.2.aa
redhat/qt6-qtbase-private-devel<6.10.1-1.el10_3.2.aa
6.10.1-1.el10_3.2.aa
redhat/qt6-qtbase-static<6.10.1-1.el10_3.2.aa
6.10.1-1.el10_3.2.aa
redhat/qt6-qtbase-examples<6.10.1-1.el10_3.2
6.10.1-1.el10_3.2
redhat/qt6-qtbase-private-devel<6.10.1-1.el10_3.2
6.10.1-1.el10_3.2
redhat/qt6-qtbase-static<6.10.1-1.el10_3.2
6.10.1-1.el10_3.2

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade redhat/qt6-qtbase to a version that resolves this vulnerability.

    Fixed in 6.10.1-1.el10_3.2
  2. Upgrade

    Upgrade redhat/qt6-qtbase-common to a version that resolves this vulnerability.

    Fixed in 6.10.1-1.el10_3.2
  3. Upgrade

    Upgrade redhat/qt6-qtbase-debuginfo to a version that resolves this vulnerability.

    Fixed in 6.10.1-1.el10_3.2
  4. Upgrade

    Upgrade redhat/qt6-qtbase-debugsource to a version that resolves this vulnerability.

    Fixed in 6.10.1-1.el10_3.2
  5. Upgrade

    Upgrade redhat/qt6-qtbase-devel to a version that resolves this vulnerability.

    Fixed in 6.10.1-1.el10_3.2
  6. Upgrade

    Upgrade redhat/qt6-qtbase-devel-debuginfo to a version that resolves this vulnerability.

    Fixed in 6.10.1-1.el10_3.2
  7. Upgrade

    Upgrade redhat/qt6-qtbase-examples-debuginfo to a version that resolves this vulnerability.

    Fixed in 6.10.1-1.el10_3.2
  8. Upgrade

    Upgrade redhat/qt6-qtbase-gui to a version that resolves this vulnerability.

    Fixed in 6.10.1-1.el10_3.2
  9. Upgrade

    Upgrade redhat/qt6-qtbase-gui-debuginfo to a version that resolves this vulnerability.

    Fixed in 6.10.1-1.el10_3.2
  10. Upgrade

    Upgrade redhat/qt6-qtbase-mysql to a version that resolves this vulnerability.

    Fixed in 6.10.1-1.el10_3.2
  11. Upgrade

    Upgrade redhat/qt6-qtbase-mysql-debuginfo to a version that resolves this vulnerability.

    Fixed in 6.10.1-1.el10_3.2
  12. Upgrade

    Upgrade redhat/qt6-qtbase-odbc to a version that resolves this vulnerability.

    Fixed in 6.10.1-1.el10_3.2
  13. Upgrade

    Upgrade redhat/qt6-qtbase-odbc-debuginfo to a version that resolves this vulnerability.

    Fixed in 6.10.1-1.el10_3.2
  14. Upgrade

    Upgrade redhat/qt6-qtbase-postgresql to a version that resolves this vulnerability.

    Fixed in 6.10.1-1.el10_3.2
  15. Upgrade

    Upgrade redhat/qt6-qtbase-postgresql-debuginfo to a version that resolves this vulnerability.

    Fixed in 6.10.1-1.el10_3.2
  16. Upgrade

    Upgrade redhat/qt6-qtbase-tests-debuginfo to a version that resolves this vulnerability.

    Fixed in 6.10.1-1.el10_3.2
  17. Upgrade

    Upgrade redhat/qt6-qtbase to a version that resolves this vulnerability.

    Fixed in 6.10.1-1.el10_3.2.aa
  18. Upgrade

    Upgrade redhat/qt6-qtbase-debuginfo to a version that resolves this vulnerability.

    Fixed in 6.10.1-1.el10_3.2.aa
  19. Upgrade

    Upgrade redhat/qt6-qtbase-debugsource to a version that resolves this vulnerability.

    Fixed in 6.10.1-1.el10_3.2.aa
  20. Upgrade

    Upgrade redhat/qt6-qtbase-devel to a version that resolves this vulnerability.

    Fixed in 6.10.1-1.el10_3.2.aa
  21. Upgrade

    Upgrade redhat/qt6-qtbase-devel-debuginfo to a version that resolves this vulnerability.

    Fixed in 6.10.1-1.el10_3.2.aa
  22. Upgrade

    Upgrade redhat/qt6-qtbase-examples-debuginfo to a version that resolves this vulnerability.

    Fixed in 6.10.1-1.el10_3.2.aa
  23. Upgrade

    Upgrade redhat/qt6-qtbase-gui to a version that resolves this vulnerability.

    Fixed in 6.10.1-1.el10_3.2.aa
  24. Upgrade

    Upgrade redhat/qt6-qtbase-gui-debuginfo to a version that resolves this vulnerability.

    Fixed in 6.10.1-1.el10_3.2.aa
  25. Upgrade

    Upgrade redhat/qt6-qtbase-mysql to a version that resolves this vulnerability.

    Fixed in 6.10.1-1.el10_3.2.aa
  26. Upgrade

    Upgrade redhat/qt6-qtbase-mysql-debuginfo to a version that resolves this vulnerability.

    Fixed in 6.10.1-1.el10_3.2.aa
  27. Upgrade

    Upgrade redhat/qt6-qtbase-odbc to a version that resolves this vulnerability.

    Fixed in 6.10.1-1.el10_3.2.aa
  28. Upgrade

    Upgrade redhat/qt6-qtbase-odbc-debuginfo to a version that resolves this vulnerability.

    Fixed in 6.10.1-1.el10_3.2.aa
  29. Upgrade

    Upgrade redhat/qt6-qtbase-postgresql to a version that resolves this vulnerability.

    Fixed in 6.10.1-1.el10_3.2.aa
  30. Upgrade

    Upgrade redhat/qt6-qtbase-postgresql-debuginfo to a version that resolves this vulnerability.

    Fixed in 6.10.1-1.el10_3.2.aa
  31. Upgrade

    Upgrade redhat/qt6-qtbase-tests-debuginfo to a version that resolves this vulnerability.

    Fixed in 6.10.1-1.el10_3.2.aa
  32. Upgrade

    Upgrade redhat/qt6-qtbase-examples to a version that resolves this vulnerability.

    Fixed in 6.10.1-1.el10_3.2
  33. Upgrade

    Upgrade redhat/qt6-qtbase-private-devel to a version that resolves this vulnerability.

    Fixed in 6.10.1-1.el10_3.2
  34. Upgrade

    Upgrade redhat/qt6-qtbase-static to a version that resolves this vulnerability.

    Fixed in 6.10.1-1.el10_3.2
  35. Upgrade

    Upgrade redhat/qt6-qtbase-examples to a version that resolves this vulnerability.

    Fixed in 6.10.1-1.el10_3.2.aa
  36. Upgrade

    Upgrade redhat/qt6-qtbase-private-devel to a version that resolves this vulnerability.

    Fixed in 6.10.1-1.el10_3.2.aa
  37. Upgrade

    Upgrade redhat/qt6-qtbase-static to a version that resolves this vulnerability.

    Fixed in 6.10.1-1.el10_3.2.aa

Event History

Nov 11, 2026
Advisory Published
via Red Hat·12:00 AM
Data Sourced
via Red Hat·12:00 AM
RemedyDescriptionAffected Software

Company

Resources

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