CVE-2025-12385— Improper validation of <img> tag size in Text component parser
Quick assessment
Affected
Qt Qt
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Qt是Qt开源的一个跨平台的应用程序开发框架。 Qt 5.0.0版本至6.5.10版本、6.6.0版本至6.8.5版本和6.9.0版本至6.10.0版本存在安全漏洞，该漏洞源于缺少输入验证，可能导致资源过度分配。
Possible ATT&CK Techniques 1 AI
T1496 · Resource Hijacking
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I. Basic Information for CVE-2025-12385
Vulnerability Information
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Vulnerability Title
Improper validation of <img> tag size in Text component parser
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
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
Source: CVE Program / CVE List V5
Vulnerability Type
不加限制或调节的资源分配
Source: CVE Program / CVE List V5
Vulnerability Title
Qt 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Qt是Qt开源的一个跨平台的应用程序开发框架。 Qt 5.0.0版本至6.5.10版本、6.6.0版本至6.8.5版本和6.9.0版本至6.10.0版本存在安全漏洞，该漏洞源于缺少输入验证，可能导致资源过度分配。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
II. Public POCs for CVE-2025-12385
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Other References for CVE-2025-12385 (2)
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V. Comments for CVE-2025-12385
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