CVE-2026-103645
Integer overflow vulnerability in QTextCodec fromUnicode() and toUnicode() impacts Qt
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
An integer overflow vulnerability in the Qt QTextCodec fromUnicode() and toUnicode() functionality of the Qt 5 Core Compatibility APIs module (Qt 6) and the Qt Core module (Qt 5). Only builds where Qt is compiled with ICU support are affected.
| CWE | CWE-190 CWE-835 |
| Vendor | qt |
| Product | qt |
| Published | Nov 13, 2026 |
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Affected Versions
qt / qt
5.0.0 < 6.8.9 6.9.0 < 6.11.3