CVE-2026-19248

Unbounded recursion vulnerability in the QDomNode destructor of Qt XML impacts Qt

Published Sep 16, 2026 CVSS 4.0 · 7.1 High EPSS < 1% KEV · Not listed
Description
QDomDocument XML parsing is vulnerable to a remotely-triggerable denial-of-service crash when processing untrusted input.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Weaknesses CWE-776
References
Metrics threat_severity

None

cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H'}

threat_severity

Moderate

Type Values Removed Values Added
First Time appeared Qt
Qt qt
Vendors & Products Qt
Qt qt
Type Values Removed Values Added
Description QDomDocument XML parsing is vulnerable to a remotely-triggerable denial-of-service crash when processing untrusted input.
Title Unbounded recursion vulnerability in the QDomNode destructor of Qt XML impacts Qt
Weaknesses CWE-674
References
Metrics cvssV4_0

{'score': 7.1, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/AU:N/R:U/V:D/RE:L'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
Qt
Published
Updated
Sep 16, 2026, 3:02 PM
Reserved
Aug 7, 2026, 12:46 PM
Status
Awaiting Analysis
Published
Sep 16, 2026, 7:16 AM
Modified
Sep 18, 2026, 7:21 PM
Severity
Moderate
Public date
Sep 16, 2026, 6:37 AM