| Name | CVE-2026-100140 |
| Description | An integer overflow vulnerability in the Qt XML parsing (Qt5Compat / QXmlSimpleReader) functionality of Qt. |
| 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 |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| qt6-5compat | source | (unstable) | (unfixed) | | | |
Notes
https://wiki.qt.io/List_of_known_vulnerabilities_in_Qt_products#CVE-2026-100140:
https://github.com/qt/qt5compat/commit/6cae8a4aebc82fb59116d55a551c168b2cd9e053 (dev)
https://github.com/qt/qt5compat/commit/a8def6219491537fd9dbdb74d98b8f67946ad82d (dev)
https://github.com/qt/qt5compat/commit/4b72520e50cd04f2c29524f28bf77eefc81956fe (dev)
https://github.com/qt/qt5compat/commit/0d2c086cb8cfa6833b82abb200b53a51a0321bdf (dev)