High severity · published Dec 3, 2025
CVE-2025-12385
Improper validation of <img> tag size in Text component parser
8.7
CVSS
0.3%
EPSS
No
On KEV
Description
Allocation of Resources Without Limits or Throttling, Improper Validation of Specified Quantity in Input vulnerability in The Qt Company Qt on Windows, MacOS, Linux, iOS, Android, x86, ARM, 64 bit, 32 bit allows Excessive Allocation.
This issue affects users of the Text component in Qt Quick. Missing validation of the width and height in the <img> tag could cause an application to become unresponsive.
This issue affects Qt: from 5.0.0 through 6.5.10, from 6.6.0 through 6.8.5, from 6.9.0 through 6.10.0.
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 24% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
QT
Qt · Qt
5.0.0 through 6.5.10; 6.6.0 through 6.8.5; 6.9.0 through 6.10.0 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-12385
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-12385
codereview.qt-project.org
https://codereview.qt-project.org/c/qt/qtdeclarative/+/687239
codereview.qt-project.org
https://codereview.qt-project.org/c/qt/qtdeclarative/+/687766
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