[3.14] gh-143916: Reject control characters in wsgiref.headers.Headers (GH-143917)#143972
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…pythonGH-143917) * Add 'test.support' fixture for C0 control characters * pythongh-143916: Reject control characters in wsgiref.headers.Headers (cherry picked from commit f7fceed) Co-authored-by: Seth Michael Larson <seth@python.org>
gpshead approved these changes Jan 17, 2026
gpshead merged commit 23e3c0a into python:3.14 55 checks passed
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(cherry picked from commit f7fceed)
Co-authored-by: Seth Michael Larson seth@python.org