Bug 2535011 (CVE-2026-19248)

Summary: CVE-2026-19248 qt5-qtbase: qt6-qtbase: Qt: Denial of Service vulnerability in XML parsing
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
Status: NEW --- QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: unspecifiedCC: rhel-process-autobot, watson-tool-maintainers
Target Milestone: ---Keywords: Security
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Hardware: All   
OS: Linux   
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Doc Text:
A flaw was found in Qt. This vulnerability, specifically an unbounded recursion in the QDomNode destructor during QDomDocument XML parsing, allows a remote attacker to trigger a denial-of-service (DoS) crash. By processing untrusted XML input, the affected system can become unresponsive, leading to a disruption of service.
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Bug Depends On: 2535143, 2535145, 2535147, 2535148, 2535152, 2535153    
Bug Blocks:    

Description OSIDB Bzimport 2026-09-16 07:03:08 UTC
QDomDocument XML parsing is vulnerable to a remotely-triggerable denial-of-service crash when processing untrusted input.