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Title: gh-143925: Reject control characters in data: URL mediatypes by sethmlarson · Pull Request #143926 · python/cpython · GitHub

Open Graph Title: gh-143925: Reject control characters in data: URL mediatypes by sethmlarson · Pull Request #143926 · python/cpython

X Title: gh-143925: Reject control characters in data: URL mediatypes by sethmlarson · Pull Request #143926 · python/cpython

Description: Issue: gh-143925

Open Graph Description: Issue: gh-143925

X Description: Issue: gh-143925

Opengraph URL: https://github.com/python/cpython/pull/143926

X: @github

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Show all changes 2 commits https://patch-diff.githubusercontent.com/python/cpython/pull/143926/files
d8850aa Add 'test.support' fixture for C0 control characters sethmlarson Jan 16, 2026 https://patch-diff.githubusercontent.com/python/cpython/pull/143926/commits/d8850aac54c234201966c66e83225564302cd15c
5fcd644 gh-143925: Reject control characters in data: URL mediatypes sethmlarson Dec 30, 2025 https://patch-diff.githubusercontent.com/python/cpython/pull/143926/commits/5fcd6446f9b527901caaf2ead8dddf562cd25894
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