| Name | CVE-2026-15037 |
| Description | Improper output neutralization (XML injection) in QDom comment, CDATA, and processing-instruction serialization in Qt XML from 4.0.0 through 6.11 allows untrusted text serialized by an application into those nodes to inject arbitrary XML markup, because the node terminators are not escaped under the default InvalidDataPolicy (AcceptInvalidChars). Fixed in Qt 6.12. |
| 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-base (PTS) | bookworm | 6.4.2+dfsg-10 | vulnerable |
| trixie | 6.8.2+dfsg-9+deb13u2 | vulnerable |
| forky | 6.10.2+dfsg-15 | vulnerable |
| sid | 6.10.2+dfsg-16 | vulnerable |
| qtbase-opensource-src (PTS) | bullseye | 5.15.2+dfsg-9+deb11u1 | vulnerable |
| bullseye (security) | 5.15.2+dfsg-9+deb11u2 | vulnerable |
| bookworm | 5.15.8+dfsg-11+deb12u3 | vulnerable |
| trixie | 5.15.15+dfsg-6+deb13u1 | vulnerable |
| forky, sid | 5.15.19+dfsg-4 | vulnerable |
The information below is based on the following data on fixed versions.
Notes
[trixie] - qt6-base <no-dsa> (Minor issue)
[bookworm] - qt6-base <postponed> (Minor issue)
[trixie] - qtbase-opensource-src <no-dsa> (Minor issue)
[bookworm] - qtbase-opensource-src <postponed> (Minor issue)
[bullseye] - qtbase-opensource-src <postponed> (Minor issue)
https://codereview.qt-project.org/c/qt/qtbase/+/748323