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CVE-2026-97845— Uncontrolled recursion vulnerability in QXmlSimpleReader XML parsing impacts Qt

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.

在 Qt 5 核心兼容 API 模块（Qt 6）和 Qt XML 模块（Qt 5）的 Qt QXmlSimpleReader XML 解析功能中，发现了一个不受控的递归漏洞。

CVSS 4.3 · Medium

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-97845

Vulnerability Information
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Vulnerability Title
Uncontrolled recursion vulnerability in QXmlSimpleReader XML parsing impacts Qt
Source: CVE Program / CVE List V5
Vulnerability Description
An uncontrolled recursion vulnerability has been discovered in the Qt QXmlSimpleReader XML parsing functionality of the Qt 5 Core Compatibility APIs module (Qt 6) and the Qt XML module (Qt 5).
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/R:U/U:Green
Source: CVE Program / CVE List V5
Vulnerability Type
未经控制的递归
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
qt qt 5.0.0 ~ 6.8.10 cpe:2.3:a:qt:qt:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-97845

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III. Intelligence Information for CVE-2026-97845

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Other References for CVE-2026-97845 (7)

Same Patch Batch · qt · 2026-11-12 · 3 CVEs total

CVE-2026-114369 2.7 LOW Security Issue CVE-2026-114369 - Resource exhaustion (denial of service) vulnerability in
CVE-2026-82292 1.9 LOW NULL pointer dereference vulnerability in QDomDocument::setContent() XML parsing impacts Q

IV. Related Vulnerabilities

Same product: qt
Same vendor: qt
Same weakness: CWE-674