Bug 2547613

Summary: CVE-2026-11573 mingw-qt5-qtbase: qtbase: Denial of Service via uncontrolled recursion in XML serialization [fedora-all]
Product: [Fedora] Fedora Reporter: Vladimir Vasilev <vvasilev>
Component: mingw-qt5-qtbaseAssignee: Sandro Mani <manisandro>
Status: ON_QA --- QA Contact: Fedora Extras Quality Assurance <extras-qa>
Severity: high Docs Contact:
Priority: high    
Version: rawhideCC: manisandro
Target Milestone: ---Keywords: Security, SecurityTracking
Target Release: ---   
Hardware: Unspecified   
OS: Unspecified   
Whiteboard: {"flaws": ["e84dd384-a1a1-4b38-ac66-88a9f46a3546"]}
Fixed In Version: Doc Type: ---
Doc Text:
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Documentation: --- CRM:
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
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Bug Depends On:    
Bug Blocks: 2529762    

Description Vladimir Vasilev 2026-10-07 18:29:34 UTC
Disclaimer: Community trackers are created by Red Hat Product Security team on a best effort basis. Package maintainers are required to ascertain if the flaw indeed affects their package, before starting the update process.

Uncontrolled recursion in Qt's QDomDocument serialization (QtXml) lets deeply nested untrusted XML crash the app via stack exhaustion (DoS only).

Comment 1 Fedora Update System 2026-10-25 20:58:59 UTC
FEDORA-2026-9c735f02d2 (mingw-qt5-qtbase-5.15.18-4.fc44) has been submitted as an update to Fedora 44.
https://bodhi.fedoraproject.org/updates/FEDORA-2026-9c735f02d2

Comment 2 Fedora Update System 2026-10-25 20:59:02 UTC
FEDORA-2026-f569fa8fe3 (mingw-qt5-qtbase-5.15.18-4.fc45) has been submitted as an update to Fedora 45.
https://bodhi.fedoraproject.org/updates/FEDORA-2026-f569fa8fe3

Comment 3 Fedora Update System 2026-10-26 01:58:22 UTC
FEDORA-2026-f569fa8fe3 has been pushed to the Fedora 45 testing repository.
Soon you'll be able to install the update with the following command:
`sudo dnf upgrade --enablerepo=updates-testing --refresh --advisory=FEDORA-2026-f569fa8fe3`
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-f569fa8fe3

See also https://fedoraproject.org/wiki/QA:Updates_Testing for more information on how to test updates.

Comment 4 Fedora Update System 2026-10-26 02:15:07 UTC
FEDORA-2026-9c735f02d2 has been pushed to the Fedora 44 testing repository.
Soon you'll be able to install the update with the following command:
`sudo dnf upgrade --enablerepo=updates-testing --refresh --advisory=FEDORA-2026-9c735f02d2`
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-9c735f02d2

See also https://fedoraproject.org/wiki/QA:Updates_Testing for more information on how to test updates.

Comment 5 Fedora Update System 2026-11-01 02:48:22 UTC
FEDORA-2026-5d7cf14b63 has been pushed to the Fedora 44 testing repository.
Soon you'll be able to install the update with the following command:
`sudo dnf upgrade --enablerepo=updates-testing --refresh --advisory=FEDORA-2026-5d7cf14b63`
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-5d7cf14b63

See also https://fedoraproject.org/wiki/QA:Updates_Testing for more information on how to test updates.

Comment 6 Fedora Update System 2026-11-01 17:45:22 UTC
FEDORA-2026-6a6222dd4a has been pushed to the Fedora 45 testing repository.
Soon you'll be able to install the update with the following command:
`sudo dnf upgrade --enablerepo=updates-testing --refresh --advisory=FEDORA-2026-6a6222dd4a`
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-6a6222dd4a

See also https://fedoraproject.org/wiki/QA:Updates_Testing for more information on how to test updates.