Description
A flaw was found in Qt. An out-of-bounds read vulnerability was found in QRadialFetchSimd in qt/qtbase/src/gui/painting/qdrawhelper_p.h in Qt/Qtbase. While rendering and displaying a crafted Scalable Vector Graphics (SVG) file this flaw may lead to an unauthorized memory access. The highest threat from this vulnerability is to data confidentiality and the application availability.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| — | qt | Fixed in qt 5.12.11, qt 5.15.4, qt 6.0.3, qt 6.1.0RC. | — |
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 | qtsvg-opensource-src | 5.15.2-3 | — |
| Debian 13 | qtsvg-opensource-src | 5.15.2-3 | — |
| Debian 12 | qtsvg-opensource-src | 5.15.2-3 | — |
| Debian 10 | qt4-x11 | 4:4.8.7+dfsg-18+deb10u2 | DLA-3539-1 |
| Debian 9 | qt4-x11 | 4:4.8.7+dfsg-11+deb9u3 | DLA-2895-1 |
| Debian 9 | qtsvg-opensource-src | 5.7.1~20161021-2.1+deb9u1 | DLA-2885-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 18.04 LTS | qt4-x11 | No fix yet | — |
| Ubuntu 18.04 LTS | qtsvg-opensource-src | 5.9.5-0ubuntu1.1 | USN-5241-1 |
| Ubuntu 16.04 LTS | qt4-x11 | No fix yet | — |
| Ubuntu 14.04 LTS | qt4-x11 | No fix yet | — |
Show 4 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 22.04 LTS | qtsvg-opensource-src | 5.15.3-1ubuntu0.1~esm1 | USN-8337-1 |
| Ubuntu Pro 20.04 LTS | qtsvg-opensource-src | 5.12.8-0ubuntu1+esm1 | USN-8337-1 |
| Ubuntu Pro 18.04 LTS | qtsvg-opensource-src | 5.9.5-0ubuntu1.1+esm1 | USN-8337-1 |
| Ubuntu Pro 16.04 LTS | qtsvg-opensource-src | 5.5.1-2ubuntu0.1~esm1 | USN-8337-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 8 | adwaita-qt +2 | 1.2.1-3.el8 | RHSA-2021:4172 |
| RHEL 8 | python-qt5 +4 | 5.15.0-2.el8 | RHSA-2021:4172 |
| RHEL 8 | qgnomeplatform | 0.7.1-2.el8 | RHSA-2021:4172 |
| RHEL 8 | qt5 +5 | 5.15.2-1.el8 | RHSA-2021:4172 |
| RHEL 8 | qt5-qt3d +45 | 5.15.2-2.el8 | RHSA-2021:4172 |
| RHEL 8 | qt5-qtcanvas3d +1 | 5.12.5-3.el8 | RHSA-2021:4172 |
| RHEL 8 | qt5-qtsvg +28 | 5.15.2-3.el8 | RHSA-2021:4172 |
| RHEL 8 | sip +3 | 4.19.24-2.el8 | RHSA-2021:4172 |
AlmaLinux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux 8 | adwaita-qt5 +1 | 1.2.1-3.el8 | ALSA-2021:4172 |
| AlmaLinux 8 | python3-qt5 +3 | 5.15.0-2.el8 | ALSA-2021:4172 |
| AlmaLinux 8 | qgnomeplatform | 0.7.1-2.el8 | ALSA-2021:4172 |
| AlmaLinux 8 | qt5-devel +4 | 5.15.2-1.el8 | ALSA-2021:4172 |
| AlmaLinux 8 | qt5-qt3d +45 | 5.15.2-2.el8 | ALSA-2021:4172 |
| AlmaLinux 8 | qt5-qtcanvas3d +1 | 5.12.5-3.el8 | ALSA-2021:4172 |
| AlmaLinux 8 | qt5-qtsvg +28 | 5.15.2-3.el8 | ALSA-2021:4172 |
| AlmaLinux 8 | sip +3 | 4.19.24-2.el8 | ALSA-2021:4172 |
Rocky Linux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Rocky Linux 8 | adwaita-qt | 1.2.1-3.el8 | RLSA-2021:4172 |
| Rocky Linux 8 | python-qt5 | 5.15.0-2.el8 | RLSA-2021:4172 |
| Rocky Linux 8 | qgnomeplatform | 0.7.1-2.el8 | RLSA-2021:4172 |
| Rocky Linux 8 | sip | 4.19.24-2.el8 | RLSA-2021:4172 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP3 | libqt5-qtsvg | 5.12.7-3.3.1 | SUSE-SU-2021:3354-1 |
| SLES 15 SP2 | libqt5-qtsvg | 5.12.7-3.3.1 | SUSE-SU-2021:3354-1 |
| SLES 12 SP5 | libqt4 +1 | 4.8.7-8.16.1 | SUSE-SU-2021:4155-1 |
| SLES 12 SP5 | libqt4-devel-doc | 4.8.7-8.16.2 | SUSE-SU-2021:4155-1 |
| SLES 12 SP5 | libqt5-qtsvg | 5.6.2-3.6.1 | SUSE-SU-2021:3333-1 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 12 SP5 | libqt4 +1 | 4.8.7-8.16.1 | SUSE-SU-2021:4155-1 |
| SLES for SAP 12 SP5 | libqt4-devel-doc | 4.8.7-8.16.2 | SUSE-SU-2021:4155-1 |
| SLES for SAP 12 SP5 | libqt5-qtsvg | 5.6.2-3.6.1 | SUSE-SU-2021:3333-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Leap 15.3 | libqt5-qtsvg | 5.12.7-3.3.1 | openSUSE-SU-2021:3354-1 |
| openSUSE Leap 15.2 | libqt5-qtsvg | 5.12.7-lp152.2.3.1 | openSUSE-SU-2021:1371-1 |
Amazon Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Amazon Linux 2 | qt5-qtsvg +3 | 5.9.2-1.amzn2.0.5 | ALAS2-2023-2242 |
Advisories 15
- ALSA-2021:4172 Moderate: qt5 security, bug fix, and enhancement update AlmaLinux Security Advisories · Oct 29, 2026
- WID-SEC-2022-0571 Red Hat Enterprise Linux: Mehrere Schwachstellen BSI CERT-Bund (WID) · Jun 28, 2026
- RHSA-2021:4172 Red Hat Security Advisory: qt5 security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Jun 27, 2026
- USN-8337-1 qtsvg-opensource-src vulnerabilities Ubuntu Security Notices (USN) · May 28, 2026
- USN-5241-1 qtsvg-opensource-src vulnerabilities Ubuntu Security Notices (USN) · Apr 27, 2026
- DLA-3539-1 qt4-x11 - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-2895-1 qt4-x11 - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-2885-1 qtsvg-opensource-src - security update Debian Security (DSA / DLA) · Mar 9, 2026
- RLSA-2021:4172 Moderate: qt5 security, bug fix, and enhancement update Rocky Linux Security Advisories · Feb 5, 2026
- SUSE-SU-2021:3333-1 Security update for libqt5-qtsvg SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2021:3354-1 Security update for libqt5-qtsvg SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2021:1371-1 Security update for libqt5-qtsvg SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2021:4155-1 Security update for libqt4 SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2021:3354-1 Security update for libqt5-qtsvg SUSE / openSUSE Security Updates · Feb 4, 2026
- ALAS2-2023-2242 Moderate: qt5-qtsvg security update (Amazon Linux 2) Amazon Linux Security Center (ALAS) · Sep 27, 2023