Bug 2566861 (CVE-2026-107479)

Summary: CVE-2026-107479 qt6: qt6: Denial of Service via integer truncation in QTextCodec conversion functions
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security <prodsec-ir-bot>
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. An integer truncation vulnerability in the QTextCodec conversion functions of the Core Compatibility APIs module can cause an application crash, leading to a Denial of Service (DoS). A local attacker could exploit this flaw by tricking a user into processing specially crafted data, causing the application to terminate unexpectedly.
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Bug Depends On: 2567285, 2567286    
Bug Blocks:    

Description OSIDB Bzimport 2026-11-04 12:38:22 UTC
An integer truncation vulnerability in the QTextCodec conversion functions of the Qt 5 Core Compatibility APIs module impacts the Qt Framework. An application using the affected functionality could crash.