QXmlStream in Qt 5.x before 5.11.3 has a double-free or corruption during parsing of a specially crafted illegal XML document.
The product calls free() twice on the same memory address, potentially leading to modification of unexpected memory locations.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Qt | Qt | 5.5.0 (including) | 5.11.3 (excluding) |