Bug 2564039 (CVE-2026-105924)

Summary: CVE-2026-105924 qt: qt: Denial of Service via NULL pointer dereference during QCborValue to JSON conversion
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. This vulnerability allows an attacker to trigger a Denial of Service (DoS) by providing specially crafted Concise Binary Object Representation (CBOR) data. When the application converts this input into JavaScript Object Notation (JSON) format using QCborValue, a NULL pointer dereference occurs, leading to an application crash.
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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: 2565241, 2565242, 2565243, 2565244, 2565246, 2565247    
Bug Blocks:    

Description OSIDB Bzimport 2026-10-30 13:58:58 UTC
A NULL pointer dereference vulnerability in the Qt QCborValue to JSON conversion of the Qt Core module.