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Title: [3.12] gh-145986: Avoid unbound C recursion in `conv_content_model` in `pyexpat.c` (CVE 2026-4224) (GH-145987) by StanFromIreland · Pull Request #145999 · python/cpython · GitHub

Open Graph Title: [3.12] gh-145986: Avoid unbound C recursion in `conv_content_model` in `pyexpat.c` (CVE 2026-4224) (GH-145987) by StanFromIreland · Pull Request #145999 · python/cpython

X Title: [3.12] gh-145986: Avoid unbound C recursion in `conv_content_model` in `pyexpat.c` (CVE 2026-4224) (GH-145987) by StanFromIreland · Pull Request #145999 · 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) Issu...

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) Issu...

Opengraph URL: https://github.com/python/cpython/pull/145999

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[3.12] gh-145986: Avoid unbound C recursion in conv_content_model in pyexpat.c (CVE 2026-4224) (GH-145987)https://github.com/python/cpython/pull/145999/commits#top
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[3.12] gh-145986: Avoid unbound C recursion in `conv_content_model` in `pyexpat.c` (CVE 2026-4224) (GH-145987)https://github.com/python/cpython/pull/145999/commits/e5caf45faac74b0ed869e3336420cffd3510ce6e
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Merge branch '3.12' into backport-eb0e8be-3.12https://github.com/python/cpython/pull/145999/commits/7edb9f676b538ff4f5e587b682eada1ea18a1859
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