| Name | CVE-2026-107479 |
| Description | An integer truncation vulnerability in the QTextCodec conversion functions of the Qt 5 Core Compatibility APIs module impacts the Qt Framework. An application using the affected functionality could crash. |
| Source | CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| qt6-5compat (PTS) | bookworm | 6.4.2-1 | vulnerable |
| trixie | 6.8.2-3 | vulnerable |
| forky | 6.11.2-2 | vulnerable |
| sid | 6.11.2-3 | vulnerable |
| qtbase-opensource-src (PTS) | bookworm | 5.15.8+dfsg-11+deb12u3 | vulnerable |
| trixie | 5.15.15+dfsg-6+deb13u1 | vulnerable |
| forky, sid | 5.15.19+dfsg-6 | vulnerable |
The information below is based on the following data on fixed versions.
Notes
https://wiki.qt.io/List_of_known_vulnerabilities_in_Qt_products#CVE-2026-107479:
https://codereview.qt-project.org/c/qt/qt5compat/+/763226
https://github.com/qt/qt5compat/commit/8631aea33f3de13c23fcd740d8900c775c18ac00 (dev)
https://github.com/qt/qt5compat/commit/299c11fd0020713a25863f71bbc04a4f66a22625 (v6.11.3)