RHSA-2026:99155HighCVSS 7.5

Red Hat Security Advisory: qt6-qtbase security update

Published
November 11, 2026
Last Modified
November 11, 2026

🔗 CVE IDs covered (2)

CVE-2026-16762 →CVE-2026-76151 →

📋 Description

CVE-2026-16762 — qt: qt: Denial of Service via crafted XML parsing in QXmlStreamReader CVE-2026-76151 — qt5-qtbase: qt6-qtbase: qt: Denial of Service via excessively large HTTP Cache-Control header

🎯 Affected products112

  • Red Hat Enterprise Linux AppStream EUS (v.10.2)
  • Red Hat Enterprise Linux CodeReady Linux Builder EUS (v.10.2)
  • qt6-qtbase-0:6.10.1-1.el10_2.2.aarch64 as a component of Red Hat Enterprise Linux AppStream EUS (v.10.2)
  • qt6-qtbase-0:6.10.1-1.el10_2.2.ppc64le as a component of Red Hat Enterprise Linux AppStream EUS (v.10.2)
  • qt6-qtbase-0:6.10.1-1.el10_2.2.s390x as a component of Red Hat Enterprise Linux AppStream EUS (v.10.2)
  • qt6-qtbase-0:6.10.1-1.el10_2.2.src as a component of Red Hat Enterprise Linux AppStream EUS (v.10.2)
  • qt6-qtbase-0:6.10.1-1.el10_2.2.x86_64 as a component of Red Hat Enterprise Linux AppStream EUS (v.10.2)
  • qt6-qtbase-common-0:6.10.1-1.el10_2.2.noarch as a component of Red Hat Enterprise Linux AppStream EUS (v.10.2)
  • qt6-qtbase-debuginfo-0:6.10.1-1.el10_2.2.aarch64 as a component of Red Hat Enterprise Linux AppStream EUS (v.10.2)
  • qt6-qtbase-debuginfo-0:6.10.1-1.el10_2.2.aarch64 as a component of Red Hat Enterprise Linux CodeReady Linux Builder EUS (v.10.2)
  • qt6-qtbase-debuginfo-0:6.10.1-1.el10_2.2.ppc64le as a component of Red Hat Enterprise Linux AppStream EUS (v.10.2)
  • qt6-qtbase-debuginfo-0:6.10.1-1.el10_2.2.ppc64le as a component of Red Hat Enterprise Linux CodeReady Linux Builder EUS (v.10.2)
  • qt6-qtbase-debuginfo-0:6.10.1-1.el10_2.2.s390x as a component of Red Hat Enterprise Linux AppStream EUS (v.10.2)
  • qt6-qtbase-debuginfo-0:6.10.1-1.el10_2.2.s390x as a component of Red Hat Enterprise Linux CodeReady Linux Builder EUS (v.10.2)
  • qt6-qtbase-debuginfo-0:6.10.1-1.el10_2.2.x86_64 as a component of Red Hat Enterprise Linux AppStream EUS (v.10.2)
  • qt6-qtbase-debuginfo-0:6.10.1-1.el10_2.2.x86_64 as a component of Red Hat Enterprise Linux CodeReady Linux Builder EUS (v.10.2)
  • qt6-qtbase-debugsource-0:6.10.1-1.el10_2.2.aarch64 as a component of Red Hat Enterprise Linux AppStream EUS (v.10.2)
  • qt6-qtbase-debugsource-0:6.10.1-1.el10_2.2.aarch64 as a component of Red Hat Enterprise Linux CodeReady Linux Builder EUS (v.10.2)
  • qt6-qtbase-debugsource-0:6.10.1-1.el10_2.2.ppc64le as a component of Red Hat Enterprise Linux AppStream EUS (v.10.2)
  • qt6-qtbase-debugsource-0:6.10.1-1.el10_2.2.ppc64le as a component of Red Hat Enterprise Linux CodeReady Linux Builder EUS (v.10.2)
  • qt6-qtbase-debugsource-0:6.10.1-1.el10_2.2.s390x as a component of Red Hat Enterprise Linux AppStream EUS (v.10.2)
  • qt6-qtbase-debugsource-0:6.10.1-1.el10_2.2.s390x as a component of Red Hat Enterprise Linux CodeReady Linux Builder EUS (v.10.2)
  • qt6-qtbase-debugsource-0:6.10.1-1.el10_2.2.x86_64 as a component of Red Hat Enterprise Linux AppStream EUS (v.10.2)
  • qt6-qtbase-debugsource-0:6.10.1-1.el10_2.2.x86_64 as a component of Red Hat Enterprise Linux CodeReady Linux Builder EUS (v.10.2)
  • qt6-qtbase-devel-0:6.10.1-1.el10_2.2.aarch64 as a component of Red Hat Enterprise Linux AppStream EUS (v.10.2)
  • qt6-qtbase-devel-0:6.10.1-1.el10_2.2.ppc64le as a component of Red Hat Enterprise Linux AppStream EUS (v.10.2)
  • qt6-qtbase-devel-0:6.10.1-1.el10_2.2.s390x as a component of Red Hat Enterprise Linux AppStream EUS (v.10.2)
  • qt6-qtbase-devel-0:6.10.1-1.el10_2.2.x86_64 as a component of Red Hat Enterprise Linux AppStream EUS (v.10.2)
  • qt6-qtbase-devel-debuginfo-0:6.10.1-1.el10_2.2.aarch64 as a component of Red Hat Enterprise Linux AppStream EUS (v.10.2)
  • qt6-qtbase-devel-debuginfo-0:6.10.1-1.el10_2.2.aarch64 as a component of Red Hat Enterprise Linux CodeReady Linux Builder EUS (v.10.2)
  • +82 more not shown

✅ Remediation

For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

🔗 References (4)