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

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

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

Description: Issue: gh-145986

Open Graph Description: Issue: gh-145986

X Description: Issue: gh-145986

Opengraph URL: https://github.com/python/cpython/pull/145987

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gh-145986: Avoid unbound C recursion in conv_content_model in pyexpat.c (CVE 2026-4224) https://github.com/python/cpython/pull/145987/files#top
Show all changes 7 commits https://github.com/python/cpython/pull/145987/files
d3dd837 Fix crash in `conv_content_model` function in `pyexpat` StanFromIreland Mar 14, 2026 https://github.com/python/cpython/pull/145987/commits/d3dd83794717ad183a9de1cd9bff7940e6b024f4
adb61a2 Update test StanFromIreland Mar 14, 2026 https://github.com/python/cpython/pull/145987/commits/adb61a28cd52fa5c4e5ec2bae4a6fbf41cacfcb2
c3837af Simplify test StanFromIreland Mar 15, 2026 https://github.com/python/cpython/pull/145987/commits/c3837afcefc8bdbf6ddcaacfe6a6baab39a199ab
2d3bdd0 Simplify test a lil' more StanFromIreland Mar 15, 2026 https://github.com/python/cpython/pull/145987/commits/2d3bdd0df105a8304ecf1305fd1aee684e13670e
1481875 Add issue number StanFromIreland Mar 15, 2026 https://github.com/python/cpython/pull/145987/commits/1481875bc2e7e3bf7dc4df2fcd28e44de70c00aa
e62a670 Bénédikt's review StanFromIreland Mar 15, 2026 https://github.com/python/cpython/pull/145987/commits/e62a670ccb9007bf42a9d0298c58d6d24970630b
16d5b10 Update Lib/test/test_pyexpat.py picnixz Mar 15, 2026 https://github.com/python/cpython/pull/145987/commits/16d5b10f169d80a8f1ea30331d0ed83b6a48ba4f
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