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Security Advisories

CVE-2026-4224

NVD

https://nvd.nist.gov/vuln/detail/CVE-2026-4224

Severity

Unknown
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Summary

Stack overflow parsing XML with deeply nested DTD content models

Description

When an Expat parser with a registered ElementDeclHandler parses an inline document type definition containing a deeply nested content model a C stack overflow occurs.

References

Affected packages

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