CVE-2026-107590Out-of-bounds write vulnerability in QTextCodec iconv-based encoding impacts Qt

Descripción

An out-of-bounds write vulnerability in the Qt QTextCodec iconv-based encoding of the Qt 5 Compatibility APIs module (Qt Core in Qt 5 and earlier) impacts Qt. Under certain conditions, encoding text with QTextCodec may write outside an internal buffer. This can cause the application to crash and may affect data integrity.

Datos: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Se publican tal como los indican las fuentes, en inglés.

Productos y versiones afectados

Referencias y parches

• https://wiki.qt.io/List_of_known_vulnerabilities_in_Qt_products#CVE-2026-107590: vendor-advisory
• https://codereview.qt-project.org/c/qt/qt5compat/+/762752 patch