CVE-2026-78253
Fixed in a distro release EPSS <1%CVSS 2.3
Uncontrolled recursion in QXmlStreamReader::readElementText() in Qt Group Qt allows attackers to cause a denial of service (application crash via stack exhaustion) via a crafted XML document.
Products: qt
Distro releases
| Release | Package | Fixed in |
|---|---|---|
| Debian 12 | qt6-base | no fix |
| Debian 12 | qtbase-opensource-src | no fix |
| Debian 13 | qt6-base | no fix |
| Debian 13 | qtbase-opensource-src | no fix |
| Debian 14 | qt6-base | 6.11.2+dfsg-5 |
| Debian 14 | qtbase-opensource-src | no fix |
| Red Hat hummingbird 1 | qt6-qtbase | 0:6.11.2-2.hum1 |
| Red Hat hummingbird 1 | qt6-qtbase-common | 0:6.11.2-2.hum1 |
| Red Hat hummingbird 1 | qt6-qtbase-devel | 0:6.11.2-2.hum1 |
| Red Hat hummingbird 1 | qt6-qtbase-examples | 0:6.11.2-2.hum1 |
| Red Hat hummingbird 1 | qt6-qtbase-gui | 0:6.11.2-2.hum1 |
| Red Hat hummingbird 1 | qt6-qtbase-ibase | 0:6.11.2-2.hum1 |
| Red Hat hummingbird 1 | qt6-qtbase-mysql | 0:6.11.2-2.hum1 |
| Red Hat hummingbird 1 | qt6-qtbase-odbc | 0:6.11.2-2.hum1 |
| Red Hat hummingbird 1 | qt6-qtbase-postgresql | 0:6.11.2-2.hum1 |
| Red Hat hummingbird 1 | qt6-qtbase-private-devel | 0:6.11.2-2.hum1 |
| Red Hat hummingbird 1 | qt6-qtbase-static | 0:6.11.2-2.hum1 |
| Ubuntu 22.04 LTS | qt6-base | no fix |
| Ubuntu 24.04 LTS | qt6-base | no fix |
| Ubuntu 26.04 LTS | qt6-base | no fix |
| Ubuntu 26.04 LTS | qtbase-opensource-src | no fix |
| Ubuntu 26.10 | qt6-base | no fix |
| Ubuntu 26.10 | qtbase-opensource-src | no fix |
| Ubuntu Pro 16.04 LTS | qtbase-opensource-src | no fix |
| Ubuntu Pro 18.04 LTS | qtbase-opensource-src | no fix |
| Ubuntu Pro 20.04 LTS | qtbase-opensource-src | no fix |
| Ubuntu Pro 22.04 LTS | qtbase-opensource-src | no fix |
| Ubuntu Pro 24.04 LTS | qtbase-opensource-src | no fix |
| openSUSE Tumbleweed | AusweisApp | 2.6.0-1.1 |