CVE-2026-78253CWE-674

CVE-2026-78253

published September 23, 2026

CVSS
2.3
EPSS
0%
Percentile
15.9
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS
2.3 · NONE
CVSS v4.0
2.3 · 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
0.00253 · 15.9th percentile
Weakness
CWE-674 · Uncontrolled Recursion
Published
2026-09-23T16:17Z
References (1)
https://codereview.qt-project.org/c/qt/qtbase/+/754345 · a59d8014-47c4-4630-ab43-e1b13cbe58e3
EPSS history
Timeline
  • 25 SEP 03:27Z
    EPSS moved — → 0%
    epss
  • 23 SEP 11:39Z
    Denial-of-service (stack-exhaustion) vulnerability in QXmlStreamReader::readElementText() impacts Qt
    cvelistv5