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CVE-2025-10729— Use-after-free vulnerability in Qt SVG qsvghandler.cpp allows denial of service via crafted SVG

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存在安全漏洞，该漏洞源于解析非结构节点子节点的模式节点可能导致释放后重用。

CVSS 9.4 · Critical EPSS 0.22% · P11

Possible ATT&CK Techniques 1 AI

T1211 · Exploitation for Stealth

Affected Version Matrix 2

VendorProduct Version RangeStatus
Qt Qt 6.7.0≤ 6.8.4 affected
6.9.0≤ 6.9.2 affected
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I. Basic Information for CVE-2025-10729

Vulnerability Information
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Vulnerability Title
Use-after-free vulnerability in Qt SVG qsvghandler.cpp allows denial of service via crafted SVG
Source: CVE Program / CVE List V5
Vulnerability Description
The module will parse a <pattern> node which is not a child of a structural node. The node will be deleted after creation but might be accessed later leading to a use after free.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/S:P/RE:H/U:Red
Source: CVE Program / CVE List V5
Vulnerability Type
释放后使用
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存在安全漏洞，该漏洞源于解析非结构节点子节点的模式节点可能导致释放后重用。
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

Vendor Product Affected Versions CPE Subscribe
Qt Qt 6.7.0 ~ 6.8.4 -

II. Public POCs for CVE-2025-10729

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III. Intelligence Information for CVE-2025-10729

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IV. Related Vulnerabilities

Same product: Qt
Same vendor: Qt
Same weakness: CWE-416

V. Comments for CVE-2025-10729

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