CVE-2026-78253

Published Sep 23, 2026 Modified Sep 23, 2026 CWE-674

Description

Uncontrolled recursion in QXmlStreamReader::readElementText() in Qt Group Qt allows attackers to cause a denial of service (application crash via stack exhaustion) via a crafted XML document.

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Weakness Type (CWE)

CWE-674 CWE-674

References

Frequently Asked Questions

What is CVE-2026-78253? +
Uncontrolled recursion in QXmlStreamReader::readElementText() in Qt Group Qt allows attackers to cause a denial of service (application crash via stack exhaustion) via a crafted XML document.
How do I check if I'm vulnerable to CVE-2026-78253? +
You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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