| Name | CVE-2026-8168 |
| Description | Uncontrolled recursion in the SVG parser and renderer of the Qt SVG module (QtSvg) in Qt Group Qt allows attackers to cause a denial of service (application crash via stack exhaustion) via a crafted SVG file with deeply nested elements. |
| 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) |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| qt6-svg (PTS) | bookworm | 6.4.2-2 | vulnerable |
| trixie | 6.8.2-3 | vulnerable | |
| forky, sid | 6.11.2-2 | fixed | |
| qtsvg-opensource-src (PTS) | bookworm | 5.15.8-3 | vulnerable |
| trixie | 5.15.15-2 | vulnerable | |
| forky, sid | 5.15.19-2 | vulnerable |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| qt6-svg | source | (unstable) | 6.11.2-2 | |||
| qtsvg-opensource-src | source | (unstable) | (unfixed) |
[trixie] - qt6-svg <no-dsa> (Minor issue)
[bookworm] - qt6-svg <postponed> (Minor issue)
[trixie] - qtsvg-opensource-src <no-dsa> (Minor issue)
https://wiki.qt.io/List_of_known_vulnerabilities_in_Qt_products#CVE-2026-8168:
https://codereview.qt-project.org/c/qt/qtsvg/+/730591
https://codereview.qt-project.org/c/qt/qtsvg/+/730501
https://codereview.qt-project.org/c/qt/qtsvg/+/731257
https://codereview.qt-project.org/c/qt/qtsvg/+/730892
https://codereview.qt-project.org/c/qt/qtsvg/+/733245
https://codereview.qt-project.org/c/qt/qtsvg/+/738811
https://codereview.qt-project.org/c/qt/qtsvg/+/730590
https://codereview.qt-project.org/c/qt/qtsvg/+/743488
https://codereview.qt-project.org/c/qt/qtsvg/+/748966
https://codereview.qt-project.org/c/qt/qtsvg/+/756512