Bug 2535147

Summary: CVE-2026-19248 qt5-qtbase: Qt: Denial of Service vulnerability in XML parsing [fedora-all]
Product: [Fedora] Fedora Reporter: Vladimir Vasilev <vvasilev>
Component: qt5-qtbaseAssignee: Than Ngo <than>
Status: ON_QA --- QA Contact: Fedora Extras Quality Assurance <extras-qa>
Severity: medium Docs Contact:
Priority: medium    
Version: rawhideCC: jgrulich, kde-sig, than
Target Milestone: ---Keywords: Security, SecurityTracking
Target Release: ---   
Hardware: Unspecified   
OS: Unspecified   
Whiteboard: {"flaws": ["ecf560ec-509e-4602-9cf3-e1bfb0244ab4"]}
Fixed In Version: Doc Type: ---
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Bug Depends On:    
Bug Blocks: 2535011    

Description Vladimir Vasilev 2026-09-16 10:59:55 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.

QDomDocument XML parsing is vulnerable to a remotely-triggerable denial-of-service crash when processing untrusted input.

Comment 1 Fedora Update System 2026-10-13 11:10:55 UTC
FEDORA-2026-2ae512a6d5 (qt5-qtbase-5.15.18-6.fc45) has been submitted as an update to Fedora 45.
https://bodhi.fedoraproject.org/updates/FEDORA-2026-2ae512a6d5

Comment 2 Fedora Update System 2026-10-13 11:10:55 UTC
FEDORA-2026-9214dd114c (qt5-qtbase-5.15.18-3.fc44) has been submitted as an update to Fedora 44.
https://bodhi.fedoraproject.org/updates/FEDORA-2026-9214dd114c

Comment 3 Fedora Update System 2026-10-13 11:10:57 UTC
FEDORA-2026-d615eb3f43 (qt5-qtbase-5.15.18-2.fc43) has been submitted as an update to Fedora 43.
https://bodhi.fedoraproject.org/updates/FEDORA-2026-d615eb3f43

Comment 4 Fedora Update System 2026-10-14 02:17:55 UTC
FEDORA-2026-2ae512a6d5 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-2026-2ae512a6d5`
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-2ae512a6d5

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

Comment 5 Fedora Update System 2026-10-14 02:45:31 UTC
FEDORA-2026-d615eb3f43 has been pushed to the Fedora 43 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-d615eb3f43`
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-d615eb3f43

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

Comment 6 Fedora Update System 2026-10-14 02:57:46 UTC
FEDORA-2026-9214dd114c 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-2026-9214dd114c`
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-9214dd114c

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