Description
Qt through 5.14 allows an exponential XML entity expansion attack via a crafted SVG document that is mishandled in QXmlStreamReader, a related issue to CVE-2003-1564.
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 | qtbase-opensource-src | 5.12.5+dfsg-9 | — |
| Debian 13 | qtbase-opensource-src | 5.12.5+dfsg-9 | — |
| Debian 12 | qtbase-opensource-src | 5.12.5+dfsg-9 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 25.10 | pyside2 | No fix yet | — |
| Ubuntu 24.04 LTS | pyside2 | No fix yet | — |
| Ubuntu 22.04 LTS | pyside2 | No fix yet | — |
| Ubuntu 20.04 LTS | pyside2 +1 | No fix yet | — |
| Ubuntu 18.04 LTS | pyside +2 | No fix yet | — |
Show 4 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 16.04 LTS | pyside +2 | No fix yet | — |
| Ubuntu 14.04 LTS | pyside +1 | No fix yet | — |
| Ubuntu Pro 18.04 LTS | qtbase-opensource-src | No fix yet | — |
| Ubuntu Pro 16.04 LTS | qtbase-opensource-src | No fix yet | — |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 8 | qt5-qtbase +9 | 5.12.5-6.el8 | RHSA-2020:4690 |
| RHEL 8 | qt5-qttools +15 | 5.12.5-2.el8 | RHSA-2020:4690 |
AlmaLinux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux 8 | qt5-qtbase-static | 5.12.5-6.el8 | ALSA-2020:4690 |
| AlmaLinux 8 | qt5-qttools-static | 5.12.5-2.el8 | ALSA-2020:4690 |
Rocky Linux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Rocky Linux 8 | qt5-qtwebsockets | 5.12.5-2.el8 | RLSA-2020:4690 |
Azure Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Azure Linux 2 (CBL-Mariner) | qt5-qtsvg | 5.12.11-3 | — |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 8 | qt5-qtbase +9 | 5.12.5-6.el8 | ELSA-2020-4690 |
| Oracle Linux 8 | qt5-qttools +15 | 5.12.5-2.el8 | ELSA-2020-4690 |
Advisories 4
- ALSA-2020:4690 Moderate: qt5-qtbase and qt5-qtwebsockets security and bug fix update AlmaLinux Security Advisories · Oct 29, 2026
- RHSA-2020:4690 Red Hat Security Advisory: qt5-qtbase and qt5-qtwebsockets security and bug fix update Red Hat Security Advisories (RHSA) · Oct 9, 2026
- RLSA-2020:4690 Moderate: qt5-qtbase and qt5-qtwebsockets security and bug fix update Rocky Linux Security Advisories · Feb 5, 2026
- ELSA-2020-4690 Moderate: qt5-qtbase and qt5-qtwebsockets security and bug fix update (Oracle Linux 8) Oracle Linux Security Advisories (ELSA) · Nov 10, 2020
References
- https://bugreports.qt.io/browse/QTBUG-47417
- FEDORA-2020-ca02c529f8 vendor-advisory
- FEDORA-2020-3069e44be5 vendor-advisory