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

CVSS 4.0 7.1 HIGHCheck source for fixed versionsKEV status unknown

cve-program · CVE-2026-19248

Published

QDomDocument XML parsing is vulnerable to a remotely-triggerable denial-of-service crash when processing untrusted input.

Read the publisher's advisory

Affected versions, risk and source history

cve-program · CVE-2026-19248

Published

qt

Vendor product

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "qt",
                    "product": "qt",
                    "modules": [
                        "qtbase"
                    ],
                    "versions": [
                        {
                            "status": "affected",
                            "version": "2.2.0",
                            "lessThanOrEqual": "6.8.8",
                            "versionType": "python"
                        },
                        {
                            "status": "affected",
                            "version": "6.9.0",
                            "lessThanOrEqual": "6.11.1",
                            "versionType": "python"
                        }
                    ],
                    "defaultStatus": "unaffected"
                }

Original source record · Cite this exact observation · Complete original publisher JSON

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Sources read 13 Nov 12:08 UTC · 274 of 275 readable · 272 fully read · documentation 469/469 current