Description
Stack-based buffer overflow in QXmlSimpleReader in Qt 4.8.5 allows remote attackers to cause a denial of service (application crash) via a xml file with multiple nested open tags.
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 | 5.2.0+dfsg-7 | — |
| Debian 13 | qtbase-opensource-src | 5.2.0+dfsg-7 | — |
| Debian 12 | qtbase-opensource-src | 5.2.0+dfsg-7 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 14.04 LTS | qt4-x11 | No fix yet | — |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP3 | libQtWebKit4 | 4.8.7+2.3.4-4.5.1 | SUSE-SU-2018:1902-1 |
| SLES 12 SP3 | libqca2 | 2.0.3-17.2.1 | SUSE-SU-2018:1902-1 |
| SLES 12 SP3 | libqt4 +1 | 4.8.7-8.6.1 | SUSE-SU-2018:1902-1 |
| SLES 12 SP3 | libqt4-devel-doc | 4.8.7-8.6.4 | SUSE-SU-2018:1902-1 |
| SLES 12 SP3 | qt4-qtscript | 0.2.0-11.2.4 | SUSE-SU-2018:1902-1 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 12 SP3 | libQtWebKit4 | 4.8.7+2.3.4-4.5.1 | SUSE-SU-2018:1902-1 |
| SLES for SAP 12 SP3 | libqca2 | 2.0.3-17.2.1 | SUSE-SU-2018:1902-1 |
| SLES for SAP 12 SP3 | libqt4 +1 | 4.8.7-8.6.1 | SUSE-SU-2018:1902-1 |
| SLES for SAP 12 SP3 | libqt4-devel-doc | 4.8.7-8.6.4 | SUSE-SU-2018:1902-1 |
Advisories 1
- SUSE-SU-2018:1902-1 Security update for libqt4 SUSE / openSUSE Security Updates · Feb 4, 2026