CVE-2025-4211
CVE-2025-4211 · Improper Link Resolution Before File Access in QFileSystemEngine on Windows
This page contains facts from public vulnerability sources. Check the original advisory before updating.
Improper Link Resolution Before File Access ('Link Following') vulnerability in QFileSystemEngine in the Qt corelib module on Windows which potentially allows Symlink Attacks and the use of Malicious Files. Issue originates from CVE-2024-38081. The vulnerability arises from the use of the GetTempPath API, which can be exploited by attackers to manipulate temporary file paths, potentially leading to unauthorized access and privilege escalation. The affected public API in the Qt Framework is QDir::tempPath() and anything that uses it, such as QStandardPaths with TempLocation, QTemporaryDir, and QTemporaryFile. This issue affects all version of Qt up to and including 5.15.18, from 6.0.0 through 6.5.8, from 6.6.0 through 6.8.1. It is fixed in Qt 5.15.19, Qt 6.5.9, Qt 6.8.2, 6.9.0
CVSS 7.3 · High · EPSS 0.2%
- Published
- Updated
Stack: system
Affected products and versions
qt
- Versions
- ≥ 0, ≤ 5.15.18: Affected (python)
- ≥ 6.0.0, ≤ 6.5.8: Affected (python)
- ≥ 6.6.0, ≤ 6.8.1: Affected (python)
No fix published
qtbase-opensource-src Ubuntu:Pro:16.04:LTS
- Versions
- 5.4.2+dfsg-2ubuntu9
- 5.5.1+dfsg-6ubuntu4
- 5.5.1+dfsg-10ubuntu2
- 5.5.1+dfsg-13ubuntu1
- 5.5.1+dfsg-13ubuntu2
- 5.5.1+dfsg-13ubuntu3
- 5.5.1+dfsg-14ubuntu1
- 5.5.1+dfsg-14ubuntu2
- 5.5.1+dfsg-14ubuntu3
- 5.5.1+dfsg-15ubuntu1
- 5.5.1+dfsg-16ubuntu1
- 5.5.1+dfsg-16ubuntu6
- 5.5.1+dfsg-16ubuntu7
- 5.5.1+dfsg-16ubuntu7.1
- 5.5.1+dfsg-16ubuntu7.2
- 5.5.1+dfsg-16ubuntu7.5
- 5.5.1+dfsg-16ubuntu7.6
- 5.5.1+dfsg-16ubuntu7.7
- 5.5.1+dfsg-16ubuntu7.7+esm1
- 5.5.1+dfsg-16ubuntu7.7+esm2
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
qtbase-opensource-src-gles Ubuntu:16.04:LTS
- Versions
- 5.4.2+dfsg-2ubuntu9
- 5.5.1+dfsg-6ubuntu1
- 5.5.1+dfsg-10ubuntu1
- 5.5.1+dfsg-13ubuntu1
- 5.5.1+dfsg-13ubuntu2
- 5.5.1+dfsg-13ubuntu3
- 5.5.1+dfsg-14ubuntu1
- 5.5.1+dfsg-14ubuntu2
- 5.5.1+dfsg-14ubuntu3
- 5.5.1+dfsg-15ubuntu1
- 5.5.1+dfsg-16ubuntu1
- 5.5.1+dfsg-16ubuntu4
- 5.5.1+dfsg-16ubuntu5
- 5.5.1+dfsg-16ubuntu6
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
qtbase-opensource-src Ubuntu:Pro:18.04:LTS
- Versions
- 5.9.1+dfsg-10ubuntu1
- 5.9.1+dfsg-10ubuntu2
- 5.9.2+dfsg-4ubuntu6
- 5.9.3+dfsg-0ubuntu1
- 5.9.3+dfsg-0ubuntu3
- 5.9.3+dfsg-0ubuntu4
- 5.9.4+dfsg-0ubuntu3
- 5.9.4+dfsg-0ubuntu4
- 5.9.5+dfsg-0ubuntu1
- 5.9.5+dfsg-0ubuntu2
- 5.9.5+dfsg-0ubuntu2.1
- 5.9.5+dfsg-0ubuntu2.3
- 5.9.5+dfsg-0ubuntu2.4
- 5.9.5+dfsg-0ubuntu2.5
- 5.9.5+dfsg-0ubuntu2.6
- 5.9.5+dfsg-0ubuntu2.6+esm1
- 5.9.5+dfsg-0ubuntu2.6+esm2
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
qtbase-opensource-src Ubuntu:Pro:20.04:LTS
- Versions
- 5.12.4+dfsg-4ubuntu1
- 5.12.5+dfsg-2
- 5.12.5+dfsg-8
- 5.12.5+dfsg-8build1
- 5.12.5+dfsg-9build1
- 5.12.8+dfsg-0ubuntu1
- 5.12.8+dfsg-0ubuntu2.1
- 5.12.8+dfsg-0ubuntu2.1+esm1
- 5.12.8+dfsg-0ubuntu2.1+esm2
- 5.12.8+dfsg-0ubuntu2.1+esm3
- 5.12.8+dfsg-0ubuntu2.1+esm4
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
qtbase-opensource-src-gles Ubuntu:20.04:LTS
- Versions
- 5.12.4+dfsg-1build1
- 5.12.5+dfsg-1
- 5.12.5+dfsg-2
- 5.12.8+dfsg-0ubuntu1
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
qt6-base Ubuntu:22.04:LTS
- Versions
- 6.2.2+dfsg-5ubuntu1
- 6.2.2+dfsg-6ubuntu1
- 6.2.2+dfsg-6ubuntu2
- 6.2.4+dfsg-1ubuntu1
- 6.2.4+dfsg-2ubuntu1
- 6.2.4+dfsg-2ubuntu1.1
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
qtbase-opensource-src Ubuntu:22.04:LTS
- Versions
- 5.15.2+dfsg-12
- 5.15.2+dfsg-13
- 5.15.2+dfsg-14
- 5.15.2+dfsg-14ubuntu1
- 5.15.2+dfsg-14ubuntu3
- 5.15.2+dfsg-15
- 5.15.3+dfsg-1
- 5.15.3+dfsg-2
- 5.15.3+dfsg-2ubuntu0.1
- 5.15.3+dfsg-2ubuntu0.2
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
qtbase-opensource-src-gles Ubuntu:22.04:LTS
- Versions
- 5.15.2+dfsg-4
- 5.15.2+dfsg-5
- 5.15.3+dfsg-1
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
qt6-base Ubuntu:24.04:LTS
- Versions
- 6.4.2+dfsg-18
- 6.4.2+dfsg-19
- 6.4.2+dfsg-19build1
- 6.4.2+dfsg-20
- 6.4.2+dfsg-21
- 6.4.2+dfsg-21.1build4
- 6.4.2+dfsg-21.1build5
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
qtbase-opensource-src Ubuntu:24.04:LTS
- Versions
- 5.15.10+dfsg-3
- 5.15.10+dfsg-5
- 5.15.10+dfsg-5ubuntu1
- 5.15.12+dfsg-1ubuntu1
- 5.15.12+dfsg-3ubuntu1
- 5.15.12+dfsg-3ubuntu6
- 5.15.12+dfsg-3ubuntu7
- 5.15.13+dfsg-1ubuntu1
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
qtbase-opensource-src-gles Ubuntu:24.04:LTS
- Versions
- 5.15.10+dfsg-2
- 5.15.10+dfsg-3
- 5.15.12+dfsg-1
- 5.15.12+dfsg-1ubuntu1
- 5.15.12+dfsg-1ubuntu2
- 5.15.13+dfsg-1
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
qt6-base Ubuntu:25.10
- Versions
- 6.8.3+dfsg-0ubuntu2
- 6.8.3+dfsg-0ubuntu3
- 6.9.2+dfsg-1ubuntu1
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
qtbase-opensource-src Ubuntu:25.10
- Versions
- 5.15.15+dfsg-4ubuntu1
- 5.15.15+dfsg-5ubuntu1
- 5.15.17+dfsg-1ubuntu1
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
qtbase-opensource-src-gles Ubuntu:25.10
- Versions
- 5.15.15+dfsg-2
- 5.15.17+dfsg-1
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
qt6-base Ubuntu:26.10
- Versions
- 6.10.2+dfsg-7
- 6.10.2+dfsg-14ubuntu2
- 6.10.2+dfsg-15
- 6.10.2+dfsg-16
- 6.11.2+dfsg-4ubuntu2
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
qtbase-opensource-src Ubuntu:26.10
- Versions
- 5.15.18+dfsg-1ubuntu1
- 5.15.19+dfsg-2ubuntu1
- 5.15.19+dfsg-2ubuntu2
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
qtbase-opensource-src-gles Ubuntu:26.10
- Versions
- 5.15.18+dfsg-1
- 5.15.19+dfsg-2
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
qt6-base Ubuntu:26.04:LTS
- Versions
- 6.9.2+dfsg-1ubuntu1
- 6.9.2+dfsg-2
- 6.9.2+dfsg-3ubuntu1
- 6.9.2+dfsg-3ubuntu2
- 6.9.2+dfsg-4
- 6.10.2+dfsg-3
- 6.10.2+dfsg-6
- 6.10.2+dfsg-7
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
qtbase-opensource-src Ubuntu:26.04:LTS
- Versions
- 5.15.17+dfsg-1ubuntu1
- 5.15.17+dfsg-1ubuntu2
- 5.15.18+dfsg-1ubuntu1
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
qtbase-opensource-src-gles Ubuntu:26.04:LTS
- Versions
- 5.15.17+dfsg-1
- 5.15.17+dfsg-2
- 5.15.18+dfsg-1
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published