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

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 ma...