Description
An issue was discovered in Qt through 5.12.9, and 5.13.x through 5.15.x before 5.15.1. read_xbm_body in gui/image/qxbmhandler.cpp has a buffer over-read.
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 | 5.14.2+dfsg-6 | — |
| Debian 13 | qtbase-opensource-src | 5.14.2+dfsg-6 | — |
| Debian 12 | qtbase-opensource-src | 5.14.2+dfsg-6 | — |
| Debian 9 | qt4-x11 | 4:4.8.7+dfsg-11+deb9u1 | DLA-2377-1 |
| Debian 9 | qtbase-opensource-src | 5.7.1+dfsg-3+deb9u3 | DLA-2376-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 18.04 LTS | qt4-x11 | No fix yet | — |
| Ubuntu 18.04 LTS | qtbase-opensource-src | 5.9.5+dfsg-0ubuntu2.6 | USN-5081-1 |
| Ubuntu 16.04 LTS | qt4-x11 | No fix yet | — |
| Ubuntu 14.04 LTS | qt4-x11 | No fix yet | — |
Show 2 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 20.04 LTS | qtbase-opensource-src | 5.12.8+dfsg-0ubuntu2.1+esm3 | — |
| Ubuntu Pro 16.04 LTS | qtbase-opensource-src | 5.5.1+dfsg-16ubuntu7.7+esm2 | — |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 8 | qt5-qtbase +9 | 5.12.5-8.el8 | RHSA-2021:1756 |
| RHEL 7 | qt +13 | 1:4.8.7-9.el7_9 | RHSA-2020:5021 |
| RHEL 7 | qt5-qtbase +10 | 5.9.7-5.el7_9 | RHSA-2020:5021 |
AlmaLinux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux 8 | qt5-qtbase-static | 5.12.5-8.el8 | ALSA-2021:1756 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP2 | libqt5-qtbase | 5.12.7-4.6.1 | SUSE-SU-2020:2742-1 |
| SLES 15 SP1 | libqt5-qtbase | 5.9.7-13.8.1 | SUSE-SU-2020:2741-1 |
| SLES 15 | libqt5-qtbase | 5.9.4-8.24.1 | SUSE-SU-2020:2748-1 |
| 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-qtbase | 5.6.2-6.25.1 | SUSE-SU-2020:2751-1 |
| SLES 12 SP4 | libqt5-qtbase | 5.6.2-6.25.1 | SUSE-SU-2020:2751-1 |
Show 17 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP3 | libqt5-qtbase | 5.6.2-6.25.1 | SUSE-SU-2020:2751-1 |
| SLES 12 SP2 | libqt5-qtbase | 5.6.1-17.16.1 | SUSE-SU-2020:2760-1 |
| SLES for SAP 15 | libqt5-qtbase | 5.9.4-8.24.1 | SUSE-SU-2020:2748-1 |
| 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-qtbase | 5.6.2-6.25.1 | SUSE-SU-2020:2751-1 |
| SLES for SAP 12 SP4 | libqt5-qtbase | 5.6.2-6.25.1 | SUSE-SU-2020:2751-1 |
| SLES for SAP 12 SP3 | libqt5-qtbase | 5.6.2-6.25.1 | SUSE-SU-2020:2751-1 |
| SLES for SAP 12 SP2 | libqt5-qtbase | 5.6.1-17.16.1 | SUSE-SU-2020:2760-1 |
| SLE HPC 15 | libqt5-qtbase | 5.9.4-8.24.1 | SUSE-SU-2020:2748-1 |
| SUSE Package Hub 15 SP2 | libqt4 +2 | 4.8.7-bp152.4.3.1 | openSUSE-SU-2020:1530-1 |
| SUSE Package Hub 15 SP1 | libqt4 +2 | 4.8.7-bp151.4.3.1 | openSUSE-SU-2020:1500-1 |
| SUSE OpenStack Cloud Crowbar 9 | libqt5-qtbase | 5.6.2-6.25.1 | SUSE-SU-2020:2751-1 |
| SUSE OpenStack Cloud Crowbar 8 | libqt5-qtbase | 5.6.2-6.25.1 | SUSE-SU-2020:2751-1 |
| SUSE OpenStack Cloud 9 | libqt5-qtbase | 5.6.2-6.25.1 | SUSE-SU-2020:2751-1 |
| SUSE OpenStack Cloud 8 | libqt5-qtbase | 5.6.2-6.25.1 | SUSE-SU-2020:2751-1 |
| SUSE OpenStack Cloud 7 | libqt5-qtbase | 5.6.1-17.16.1 | SUSE-SU-2020:2760-1 |
| SUSE HPE Helion OpenStack 8 | libqt5-qtbase | 5.6.2-6.25.1 | SUSE-SU-2020:2751-1 |
| SUSE Enterprise Storage 5 | libqt5-qtbase | 5.6.2-6.25.1 | SUSE-SU-2020:2751-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | libqt5-qtbase | 5.15.2+kde222-1.3 | openSUSE-SU-2024:10975-1 |
| openSUSE Leap 15.2 | libqt4 +2 | 4.8.7-lp152.10.3.1 | openSUSE-SU-2020:1501-1 |
| openSUSE Leap 15.2 | libqt5-qtbase | 5.12.7-lp152.3.6.1 | openSUSE-SU-2020:2142-1, openSUSE-SU-2020:1564-1 |
| openSUSE Leap 15.1 | libqt4 +2 | 4.8.7-lp151.9.3.1 | openSUSE-SU-2020:1452-1 |
| openSUSE Leap 15.1 | libqt5-qtbase | 5.9.7-lp151.4.6.1 | openSUSE-SU-2020:1568-1 |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.24 | qt5-qtbase | 5.15.0-r2 | — |
| Alpine v3.23 | qt5-qtbase | 5.15.0-r2 | — |
| Alpine v3.22 | qt5-qtbase | 5.15.0-r2 | — |
| Alpine v3.21 | qt5-qtbase | 5.15.0-r2 | — |
| Alpine v3.20 | qt5-qtbase | 5.15.0-r2 | — |
Show 8 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.19 | qt5-qtbase | 5.15.0-r2 | — |
| Alpine v3.18 | qt5-qtbase | 5.15.0-r2 | — |
| Alpine v3.17 | qt5-qtbase | 5.15.0-r2 | — |
| Alpine v3.16 | qt5-qtbase | 5.15.0-r2 | — |
| Alpine v3.15 | qt5-qtbase | 5.15.0-r2 | — |
| Alpine v3.14 | qt5-qtbase | 5.15.0-r2 | — |
| Alpine v3.13 | qt5-qtbase | 5.15.0-r2 | — |
| Alpine v3.12 | qt5-qtbase | 5.14.2-r1 | — |
Amazon Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Amazon Linux 2 | qt +13 | 1:4.8.5-15.amzn2.0.5 | ALAS2-2020-1574 |
| Amazon Linux 2 | qt5-qtbase +10 | 5.9.2-3.amzn2.0.4 | ALAS2-2020-1574 |
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 | 5.12.5-8.el8 | ELSA-2021-1756 |
| Oracle Linux 7 | qt +13 | 1:4.8.7-9.el7_9 | ELSA-2020-5021 |
| Oracle Linux 7 | qt5-qtbase +10 | 5.9.7-5.el7_9 | ELSA-2020-5021 |
Advisories 24
- ALSA-2021:1756 Moderate: qt5-qtbase security and bug fix update AlmaLinux Security Advisories · Oct 29, 2026
- RHSA-2020:5021 Red Hat Security Advisory: qt and qt5-qtbase security update Red Hat Security Advisories (RHSA) · Jun 26, 2026
- RHSA-2021:1756 Red Hat Security Advisory: qt5-qtbase security and bug fix update Red Hat Security Advisories (RHSA) · Jun 26, 2026
- USN-5081-1 qtbase-opensource-src vulnerabilities Ubuntu Security Notices (USN) · Apr 27, 2026
- DLA-2377-1 qt4-x11 - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-2376-1 qtbase-opensource-src - security update Debian Security (DSA / DLA) · Mar 9, 2026
- WID-SEC-2026-0617 QT: Schwachstelle ermöglicht nicht spezifizierten Angriff BSI CERT-Bund (WID) · Mar 5, 2026
- openSUSE-SU-2020:1564-1 Security update for libqt5-qtbase SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2020:2751-1 Security update for libqt5-qtbase SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2020:1501-1 Security update for libqt4 SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2020:1500-1 Security update for libqt4 SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2020:2741-1 Security update for libqt5-qtbase SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2020:2760-1 Security update for libqt5-qtbase SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2020:1530-1 Security update for libqt4 SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2020:1568-1 Security update for libqt5-qtbase SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2020:2742-1 Security update for libqt5-qtbase SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2020:2748-1 Security update for libqt5-qtbase SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2020:1452-1 Security update for libqt4 SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2020:2142-1 Security update for libqt5-qtbase SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2021:4155-1 Security update for libqt4 SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:10975-1 libQt5Bootstrap-devel-static-32bit-5.15.2+kde222-1.3 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- ELSA-2021-1756 Moderate: qt5-qtbase security and bug fix update (Oracle Linux 8) Oracle Linux Security Advisories (ELSA) · May 25, 2021
- ALAS2-2020-1574 Important: qt security update (Amazon Linux 2) Amazon Linux Security Center (ALAS) · Dec 8, 2020
- ELSA-2020-5021 Moderate: qt and qt5-qtbase security update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Nov 12, 2020
References
- https://codereview.qt-project.org/c/qt/qtbase/+/308436
- https://codereview.qt-project.org/c/qt/qtbase/+/308495
- https://codereview.qt-project.org/c/qt/qtbase/+/308496
- FEDORA-2020-b8091188d0 vendor-advisory
- FEDORA-2020-8dd86f1b3f vendor-advisory
- GLSA-202009-04 vendor-advisory
- openSUSE-SU-2020:1452 vendor-advisory
- openSUSE-SU-2020:1500 vendor-advisory
- openSUSE-SU-2020:1501 vendor-advisory
- openSUSE-SU-2020:1530 vendor-advisory
- [debian-lts-announce] 20200928 [SECURITY] [DLA 2376-1] qtbase-opensource-src security update mailing-list
- [debian-lts-announce] 20200928 [SECURITY] [DLA 2377-1] qt4-x11 security update mailing-list
- openSUSE-SU-2020:1564 vendor-advisory
- openSUSE-SU-2020:1568 vendor-advisory