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GeezerVison is showing github.com — [3.12] gh-143916: Reject control characters in wsgiref.headers.Headers (GH-143917) (GH-143973) by gpshead · Pull Request #143974 · python/cpython

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@gpshead

@gpshead gpshead commented Jan 17, 2026

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gh-143916: Reject control characters in wsgiref.headers.Headers (GH-143917)

  • Add 'test.support' fixture for C0 control characters
  • Reject control characters in wsgiref.headers.Headers #143916: Reject control characters in wsgiref.headers.Headers

(cherry picked from commit f7fceed) (cherry picked from commit 22e4d55)

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@gpshead @sethmlarson
[3.12] pythongh-143916: Reject control characters in wsgiref.headers.…
03a7342 
…Headers (pythonGH-143917) (pythonGH-143973)

pythongh-143916: Reject control characters in wsgiref.headers.Headers  (pythonGH-143917)

* Add 'test.support' fixture for C0 control characters
* pythongh-143916: Reject control characters in wsgiref.headers.Headers

(cherry picked from commit f7fceed)
(cherry picked from commit 22e4d55)

Co-authored-by: Gregory P. Smith <[email protected]>
Co-authored-by: Seth Michael Larson <[email protected]>
@bedevere-app bedevere-app Bot mentioned this pull request Jan 17, 2026
Reject control characters in wsgiref.headers.Headers #143916
Closed
@bedevere-app bedevere-app Bot added awaiting core review type-security A security issue labels Jan 17, 2026
@bedevere-app bedevere-app Bot mentioned this pull request Jan 17, 2026
[3.13] gh-143916: Reject control characters in wsgiref.headers.Headers (GH-143917) #143973
Merged
@gpshead gpshead added needs backport to 3.10 needs backport to 3.11 only security fixes release-blocker and removed type-security A security issue needs backport to 3.10 needs backport to 3.11 only security fixes labels Jan 17, 2026
@github-project-automation github-project-automation Bot added this to Release and Deferred blockers 🚫 Jan 17, 2026
@github-project-automation github-project-automation Bot moved this to Todo in Release and Deferred blockers 🚫 Jan 17, 2026
@gpshead gpshead added the type-security A security issue label Jan 17, 2026
@Yhg1s
Yhg1s merged commit 4802b96 into python:3.12 Jan 19, 2026
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@github-project-automation github-project-automation Bot moved this from Todo to Done in Release and Deferred blockers 🚫 Jan 19, 2026
@bedevere-app bedevere-app Bot removed the awaiting core review label Jan 19, 2026
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@gpshead @Yhg1s
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