Allocation of Resources Without Limits or Throttling in Qt - CVE-2025-12385

 

Allocation of Resources Without Limits or Throttling in Qt - CVE-2025-12385

Published: December 3, 2025


Vulnerability identifier: #VU119114
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2025-12385
CWE-ID: CWE-770
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Trolltech
Affected software:
Qt

Detailed vulnerability description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to improper allocation of resources in Text component parser of the Qt declarative module. A remote attacker can pass overly large values for the width and height in the <img> tag and cause an application to become unresponsive.


How to mitigate CVE-2025-12385

Install updates from vendor's website.

Sources