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Title: [3.13] gh-145986: Avoid unbound C recursion in `conv_content_model` in `pyexpat.c` (CVE 2026-4224) (GH-145987) by miss-islington · Pull Request #145996 · python/cpython · GitHub

Open Graph Title: [3.13] gh-145986: Avoid unbound C recursion in `conv_content_model` in `pyexpat.c` (CVE 2026-4224) (GH-145987) by miss-islington · Pull Request #145996 · python/cpython

X Title: [3.13] gh-145986: Avoid unbound C recursion in `conv_content_model` in `pyexpat.c` (CVE 2026-4224) (GH-145987) by miss-islington · Pull Request #145996 · python/cpython

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Open Graph Description: Fix C stack overflow (CVE-2026-4224) when an Expat parser with a registered ElementDeclHandler parses inline DTD containing deeply nested content model. (cherry picked from commit eb0e8be) Co-auth...

X Description: Fix C stack overflow (CVE-2026-4224) when an Expat parser with a registered ElementDeclHandler parses inline DTD containing deeply nested content model. (cherry picked from commit eb0e8be) Co-auth...

Opengraph URL: https://github.com/python/cpython/pull/145996

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