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Qt Group PlcCVE-2026-19248

qt: denial of service

High7.1CVE-2026-19248 · Published Sep 16, 2026 · updated Sep 18, 2026

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

Qt Group Plc advisory

Affected versions

PackageAffectedFixed in
qt
Product
>= 2.2.0, <= 6.8.8No fix yet
>= 6.9.0, <= 6.11.1No fix yet
Details and references
CVSS 4.0
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:N/R:U/V:D/RE:L/U:X
Severity from
the vendor (its own CVE record or advisory)
Weakness
CWE-674

More Qt Group Plc advisories

All Qt Group Plc
Advisory
qt: authentication bypass
Medium4.5Sep 24
qt: denial of service
Low2.3Sep 23
qt: out-of-bounds read
Low0.6Sep 23
qt: out-of-bounds read
Medium4.6Sep 16
qt: out-of-bounds read
Medium6.9Sep 11
qt: denial of service
High7.1Sep 8

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