Description
When the module renders a Svg file that contains a <pattern> element, it might end up rendering it recursively leading to stack overflow DoS
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Qt | Qt | 6.7.0 – ≤ 6.8.4, 6.9.0 – ≤ 6.9.2 | — |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | qt6-svg | 6.9.2-3 | — |
| Debian 13 | qt6-svg | No fix yet | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 26.10 | qt6-svg | No fix yet | — |
| Ubuntu 26.04 LTS | qt6-svg | No fix yet | — |
| Ubuntu 25.10 | qt6-svg | No fix yet | — |
| Ubuntu 24.04 LTS | qt6-svg | No fix yet | — |
| Ubuntu 22.04 LTS | qt6-svg | No fix yet | — |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 10 | qt6-qtsvg +2 | 6.9.1-2.el10_1.2 | RHSA-2025:22394 |
Show 2 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 10.0 EUS | qt6-qtsvg +2 | 6.8.1-1.el10_0.2 | RHSA-2025:22393 |
| Red Hat Hardened Images 1 | qt6-qtsvg +2 | 6.11.2-1.hum1 | RHSA-2026:58460 |
AlmaLinux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux 10 | qt6-qtsvg +2 | 6.9.1-2.el10_1.2 | ALSA-2025:22394 |
Rocky Linux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Rocky Linux 10 | qt6-qtsvg | 6.9.1-2.el10_1.2 | RLSA-2025:22394 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | qt6-svg | 6.10.0-1.1 | openSUSE-SU-2025:15630-1 |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 10 | qt6-qtsvg +2 | 6.9.1-2.el10_1.2 | ELSA-2025-22394 |
Advisories 8
- RHSA-2026:58460 Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update Red Hat Security Advisories (RHSA) · Nov 13, 2026
- ALSA-2025:22394 Moderate: qt6-qtsvg security update AlmaLinux Security Advisories · Oct 29, 2026
- WID-SEC-2025-2205 QT: Mehrere Schwachstellen BSI CERT-Bund (WID) · Sep 9, 2026
- RHSA-2025:22393 Red Hat Security Advisory: qt6-qtsvg security update Red Hat Security Advisories (RHSA) · Jun 26, 2026
- RHSA-2025:22394 Red Hat Security Advisory: qt6-qtsvg security update Red Hat Security Advisories (RHSA) · Jun 26, 2026
- openSUSE-SU-2025:15630-1 libQt6Svg6-6.10.0-1.1 on GA media SUSE / openSUSE Security Updates · Mar 23, 2026
- RLSA-2025:22394 Moderate: qt6-qtsvg security update Rocky Linux Security Advisories · Dec 2, 2025
- ELSA-2025-22394 Moderate: qt6-qtsvg security update (Oracle Linux 10) Oracle Linux Security Advisories (ELSA) · Dec 2, 2025