CVE-2025-4211
Improper Link Resolution Before File Access in QFileSystemEngine on Windows
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
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- Passive
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
7.3
Improper Link Resolution Before File Access in QFileSystemEngine on Windows
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
- Record
CVE-2025-4211- CVSS 4.0
- 7.3 High
CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:P/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/S:P - Weakness
- CWE-59
- Updated
- 2026-11-02
EUVDEUVD-2025-28000
7.3
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
- Record
EUVD-2025-28000- CVSS 4.0
- 7.3 High
CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:P/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/S:P - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-8cgq-rf3m-gjm4
7.3
Improper Link Resolution Before File Access ('Link Following') vulnerability in QFileSystemEngine...
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
- Record
GHSA-8cgq-rf3m-gjm4- CVSS 4.0
- 7.3 High
CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:P/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:P/AU:X/R:X/V:X/RE:X/U:X - Weakness
- CWE-59
- Updated
- 2026-11-02
NVD
7.3
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
- Record
CVE-2025-4211- CVSS 4.0
- 7.3 High
CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:P/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:P/AU:X/R:X/V:X/RE:X/U:X - Weakness
- CWE-59
- Updated
- 2026-11-02
OSVUBUNTU-CVE-2025-4211
7.3
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
- Record
UBUNTU-CVE-2025-4211- CVSS 4.0
- 7.3 High
CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:P/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/S:P - Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
qtbase-opensource-srcUbuntu:Pro:16.04:LTS |
All versions, plus listed versions 5.4.2+dfsg-2ubuntu95.5.1+dfsg-6ubuntu45.5.1+dfsg-10ubuntu25.5.1+dfsg-13ubuntu15.5.1+dfsg-13ubuntu2 Show 15 moreShow less5.5.1+dfsg-13ubuntu35.5.1+dfsg-14ubuntu15.5.1+dfsg-14ubuntu25.5.1+dfsg-14ubuntu35.5.1+dfsg-15ubuntu15.5.1+dfsg-16ubuntu15.5.1+dfsg-16ubuntu65.5.1+dfsg-16ubuntu75.5.1+dfsg-16ubuntu7.15.5.1+dfsg-16ubuntu7.25.5.1+dfsg-16ubuntu7.55.5.1+dfsg-16ubuntu7.65.5.1+dfsg-16ubuntu7.75.5.1+dfsg-16ubuntu7.7+esm15.5.1+dfsg-16ubuntu7.7+esm2 |
None known |
qtbase-opensource-src-glesUbuntu:16.04:LTS |
All versions, plus listed versions 5.4.2+dfsg-2ubuntu95.5.1+dfsg-6ubuntu15.5.1+dfsg-10ubuntu15.5.1+dfsg-13ubuntu15.5.1+dfsg-13ubuntu2 Show 9 moreShow less5.5.1+dfsg-13ubuntu35.5.1+dfsg-14ubuntu15.5.1+dfsg-14ubuntu25.5.1+dfsg-14ubuntu35.5.1+dfsg-15ubuntu15.5.1+dfsg-16ubuntu15.5.1+dfsg-16ubuntu45.5.1+dfsg-16ubuntu55.5.1+dfsg-16ubuntu6 |
None known |
qtbase-opensource-srcUbuntu:Pro:18.04:LTS |
All versions, plus listed versions 5.9.1+dfsg-10ubuntu15.9.1+dfsg-10ubuntu25.9.2+dfsg-4ubuntu65.9.3+dfsg-0ubuntu15.9.3+dfsg-0ubuntu3 Show 12 moreShow less5.9.3+dfsg-0ubuntu45.9.4+dfsg-0ubuntu35.9.4+dfsg-0ubuntu45.9.5+dfsg-0ubuntu15.9.5+dfsg-0ubuntu25.9.5+dfsg-0ubuntu2.15.9.5+dfsg-0ubuntu2.35.9.5+dfsg-0ubuntu2.45.9.5+dfsg-0ubuntu2.55.9.5+dfsg-0ubuntu2.65.9.5+dfsg-0ubuntu2.6+esm15.9.5+dfsg-0ubuntu2.6+esm2 |
None known |
qtbase-opensource-srcUbuntu:Pro:20.04:LTS |
All versions, plus listed versions 5.12.4+dfsg-4ubuntu15.12.5+dfsg-25.12.5+dfsg-85.12.5+dfsg-8build15.12.5+dfsg-9build1 Show 6 moreShow less5.12.8+dfsg-0ubuntu15.12.8+dfsg-0ubuntu2.15.12.8+dfsg-0ubuntu2.1+esm15.12.8+dfsg-0ubuntu2.1+esm25.12.8+dfsg-0ubuntu2.1+esm35.12.8+dfsg-0ubuntu2.1+esm4 |
None known |
qtbase-opensource-src-glesUbuntu:20.04:LTS |
All versions, plus listed versions 5.12.4+dfsg-1build15.12.5+dfsg-15.12.5+dfsg-25.12.8+dfsg-0ubuntu1 |
None known |
qt6-baseUbuntu:22.04:LTS |
All versions, plus listed versions 6.2.2+dfsg-5ubuntu16.2.2+dfsg-6ubuntu16.2.2+dfsg-6ubuntu26.2.4+dfsg-1ubuntu16.2.4+dfsg-2ubuntu16.2.4+dfsg-2ubuntu1.1 |
None known |
qtbase-opensource-srcUbuntu:22.04:LTS |
All versions, plus listed versions 5.15.2+dfsg-125.15.2+dfsg-135.15.2+dfsg-145.15.2+dfsg-14ubuntu15.15.2+dfsg-14ubuntu3 Show 5 moreShow less5.15.2+dfsg-155.15.3+dfsg-15.15.3+dfsg-25.15.3+dfsg-2ubuntu0.15.15.3+dfsg-2ubuntu0.2 |
None known |
qtbase-opensource-src-glesUbuntu:22.04:LTS |
All versions, plus listed versions 5.15.2+dfsg-45.15.2+dfsg-55.15.3+dfsg-1 |
None known |
qt6-baseUbuntu:24.04:LTS |
All versions, plus listed versions 6.4.2+dfsg-186.4.2+dfsg-196.4.2+dfsg-19build16.4.2+dfsg-206.4.2+dfsg-216.4.2+dfsg-21.1build46.4.2+dfsg-21.1build5 |
None known |
qtbase-opensource-srcUbuntu:24.04:LTS |
All versions, plus listed versions 5.15.10+dfsg-35.15.10+dfsg-55.15.10+dfsg-5ubuntu15.15.12+dfsg-1ubuntu15.15.12+dfsg-3ubuntu15.15.12+dfsg-3ubuntu65.15.12+dfsg-3ubuntu75.15.13+dfsg-1ubuntu1 |
None known |
Show 10 moreShow less
| Package | Affected | Fixed |
|---|---|---|
qtbase-opensource-src-glesUbuntu:24.04:LTS |
All versions, plus listed versions 5.15.10+dfsg-25.15.10+dfsg-35.15.12+dfsg-15.15.12+dfsg-1ubuntu15.15.12+dfsg-1ubuntu25.15.13+dfsg-1 |
None known |
qt6-baseUbuntu:25.10 |
All versions, plus listed versions 6.8.3+dfsg-0ubuntu26.8.3+dfsg-0ubuntu36.9.2+dfsg-1ubuntu1 |
None known |
qtbase-opensource-srcUbuntu:25.10 |
All versions, plus listed versions 5.15.15+dfsg-4ubuntu15.15.15+dfsg-5ubuntu15.15.17+dfsg-1ubuntu1 |
None known |
qtbase-opensource-src-glesUbuntu:25.10 |
All versions, plus listed versions 5.15.15+dfsg-25.15.17+dfsg-1 |
None known |
qt6-baseUbuntu:26.10 |
All versions, plus listed versions 6.10.2+dfsg-76.10.2+dfsg-14ubuntu26.10.2+dfsg-156.10.2+dfsg-166.11.2+dfsg-4ubuntu2 |
None known |
qtbase-opensource-srcUbuntu:26.10 |
All versions, plus listed versions 5.15.18+dfsg-1ubuntu15.15.19+dfsg-2ubuntu15.15.19+dfsg-2ubuntu2 |
None known |
qtbase-opensource-src-glesUbuntu:26.10 |
All versions, plus listed versions 5.15.18+dfsg-15.15.19+dfsg-2 |
None known |
qt6-baseUbuntu:26.04:LTS |
All versions, plus listed versions 6.9.2+dfsg-1ubuntu16.9.2+dfsg-26.9.2+dfsg-3ubuntu16.9.2+dfsg-3ubuntu26.9.2+dfsg-46.10.2+dfsg-36.10.2+dfsg-66.10.2+dfsg-7 |
None known |
qtbase-opensource-srcUbuntu:26.04:LTS |
All versions, plus listed versions 5.15.17+dfsg-1ubuntu15.15.17+dfsg-1ubuntu25.15.18+dfsg-1ubuntu1 |
None known |
qtbase-opensource-src-glesUbuntu:26.04:LTS |
All versions, plus listed versions 5.15.17+dfsg-15.15.17+dfsg-25.15.18+dfsg-1 |
None known |
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2025-4211 is a high vulnerability (CVSS 7.3) in Qt, published May 16, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.21%, the 11th percentile. No source names a fixed version.