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Title: [3.10] gh-145986: Avoid unbound C recursion in `conv_content_model` in `pyexpat.c` (CVE 2026-4224) (GH-145987) by StanFromIreland · Pull Request #146002 · python/cpython · GitHub

Open Graph Title: [3.10] gh-145986: Avoid unbound C recursion in `conv_content_model` in `pyexpat.c` (CVE 2026-4224) (GH-145987) by StanFromIreland · Pull Request #146002 · python/cpython

X Title: [3.10] gh-145986: Avoid unbound C recursion in `conv_content_model` in `pyexpat.c` (CVE 2026-4224) (GH-145987) by StanFromIreland · Pull Request #146002 · 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) (cherry...

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) (cherry...

Opengraph URL: https://github.com/python/cpython/pull/146002

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[3.10] gh-145986: Avoid unbound C recursion in conv_content_model in pyexpat.c (CVE 2026-4224) (GH-145987)https://github.com/python/cpython/pull/146002/commits#top
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[3.10] gh-145986: Avoid unbound C recursion in `conv_content_model` in `pyexpat.c` (CVE 2026-4224) (GH-145987)https://github.com/python/cpython/pull/146002/commits/0c50fa41c639b7523f9a09f48928c72ea1f0bbcc
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Update Misc/NEWS.d/next/Security/2026-03-14-17-31-39.gh-issue-145986.ifSSr8.rsthttps://github.com/python/cpython/pull/146002/commits/d013b14aec4fce7d4619a8fb4fbdb241d529456e
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