CVE-2026-94370

MediumCVSS 6.5/10Last modified Oct 15, 2026

Description

A defect in the Qt for MCUs core string handling causes heap memory corruption. When an application passes text into Qt Quick Ultralite using the public Qul::String interface type, and that text is held in a std::string, the conversion to the internal string type copies the pointer without taking ownership of it. Two objects then release the same memory, producing a double free, an invalid free, or a use-after-free.

Metrics

CVSS 4.0 6.5/10CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:H/VA:H/SC:N/SI:N/SA:H/E:U/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:P/AU:N/R:U/V:D/RE:M/U:X

Weakness enumeration

CWE-415CWE-416CWE-590CWE-665

Affected software

No affected versions have been published.

Timeline

Published
Oct 14, 2026
Last modified
Oct 15, 2026
NVD status
Deferred

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