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[3.12] gh-143925: Reject control characters in data: URL mediatypes #144113

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[3.12] gh-143925: Reject control characters in data: URL mediatypes #144113

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@sethmlarson sethmlarson commented Jan 21, 2026 •
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(cherry picked from commit f25509e) (cherry picked from commit 2c9c746)

@sethmlarson
[3.12] pythongh-143925: Reject control characters in data: URL mediat…
f336af1 
…ypes

(cherry picked from commit f25509e)
(cherry picked from commit 2c9c746)

Co-authored-by: Seth Michael Larson <seth@python.org>
@sethmlarson sethmlarson requested a review from Yhg1s January 21, 2026 15:44
@bedevere-app bedevere-app bot mentioned this pull request Jan 21, 2026
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