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.

INFO

Published Date :

2026-03-16T17:52:26.639Z

Last Modified :

2026-03-16T18:21:11.567Z

Source :

PSF
AFFECTED PRODUCTS

The following products are affected by CVE-2026-4224 vulnerability.

No data.

REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2026-4224.

URL Resource
https://github.com/python/cpython/commit/196edfb06a7458377d4d0f4b3cd41724c1f3bd4a cve-icon cve-icon
https://github.com/python/cpython/commit/e0a8a6da90597a924b300debe045cdb4628ee1f3 cve-icon cve-icon
https://github.com/python/cpython/commit/eb0e8be3a7e11b87d198a2c3af1ed0eccf532768 cve-icon cve-icon
https://github.com/python/cpython/issues/145986 cve-icon cve-icon
https://github.com/python/cpython/pull/145987 cve-icon cve-icon
https://mail.python.org/archives/list/[email protected]/thread/5M7CGUW3XBRY7II4DK43KF7NQQ3TPZ6R/ cve-icon cve-icon
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