CVE-2026-78253

2.3 lowEPSS 0.4%

Low (2.3). EPSS 0.4% chance of exploitation in the next 30 days.

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.

Severity

CVSS 4.0

2.3 low

CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/S:N/AU:N/R:U/RE:L/U:Green

EPSS: 0.4% chance of exploitation in the next 30 days; higher than 37% of CVEs (scores of 2026-10-31)
CWE: CWE-674
Published: 2026-09-23
Modified: 2026-09-24
Record from: the NVD, synced 2026-10-19

References

https://codereview.qt-project.org/c/qt/qtbase/+/754345

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