An issue was discovered in Qt before 6.2.11 and 6.3.x through 6.6.x before 6.6.1. When a QML image refers to an image whose content is not known yet, there is an assumption that it is an SVG document, leading to a denial of service (application crash) if it is not actually an SVG document.

MediumVendor CVSS 6.5 / 10 1 CVE Published Aug 7, 2026 at 12:31 AM UTC

Summary

Mariner

Separate remediation guidance was not included in the collected bulletin.

Aug 7, 2026 at 12:31 AM UTC
Published by Microsoft Security Response Center
The publication date reported by the vendor.
Oct 24, 2026 at 8:20 AM UTC
Added to SecurityAlert
We collected the advisory from the official source.

Details collected from Microsoft Security Response Center.

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Watch cbl2 qt5-qtsvg 5.12.11-6

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