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CVE-2026-4224
Published: Mar 16, 2026
Modified: Apr 8, 2026
PUBLISHED
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.
| Vendor | Product | Versions |
|---|---|---|
Python Software Foundation | CPython | affected 0 - < 3.13.13affected 3.14.0 - < 3.14.4affected 3.15.0a1 - < 3.15.0a8 |
References
https://github.com/python/cpython/issues/145986
issue-tracking
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