漏洞信息
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Vulnerability Title
Uncontrolled recursion in QDomDocument/QDomNode serialization causes stack exhaustion (QtXml)
Vulnerability Description
Uncontrolled recursion (CWE-674) in the QDomDocument/QDomNode serialization path of the Qt XML module (QtXml, qtbase). QDomElementPrivate::save() and QDomNodePrivate::save() recurse mutually, consuming one stack frame per level of element nesting with no depth limit, no configurable bound and no error return. A document with deeply nested elements parses successfully but exhausts the call stack and terminates the process when serialized. Reachable via QDomDocument::toByteArray() (Qt 4.0 and later), QDomDocument::toString(), QDomDocument::toCString(), QDomNode::save(), and operator<<(QTextStream&, const QDomNode&). Denial of service only — no code execution and no memory disclosure.
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Vulnerability Type
未经控制的递归
Vulnerability Title
Qt 资源管理错误漏洞
Vulnerability Description
Qt是Qt公司开源的一个跨平台的应用程序开发框架。 Qt 6.7.0版本至6.8.2之前版本存在资源管理错误漏洞,该漏洞源于QDomDocument序列化(QtXml)中存在不受控制的递归,攻击者可能利用深度嵌套的不可信XML导致应用程序因栈耗尽而崩溃(拒绝服务)。
CVSS Information
N/A
Vulnerability Type
N/A