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GeezerVison is showing github.com — [3.11] gh-144370: Disallow usage of control characters in status in wsgiref.handlers for security (#144371) by vstinner · Pull Request #145672 · python/cpython

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@vstinner

@vstinner vstinner commented Mar 9, 2026 •
edited by bedevere-app Bot
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Disallow usage of control characters in status in wsgiref.handlers to prevent HTTP header injections.

(cherry picked from commit d931725)

  • Issue: [security] Disallow usage of control characters in status, headers and values for security in Lib/wsgiref/handlers.py #144370

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@benediktjohannes @blurb-it @vstinner
pythongh-144370: Disallow usage of control characters in status in ws…
05e14b3 
…giref.handlers for security (python#144371)

Disallow usage of control characters in status in wsgiref.handlers
to prevent HTTP header injections.

Co-authored-by: blurb-it[bot] <43283697+blurb-it[bot]@users.noreply.github.com>
Co-authored-by: Victor Stinner <[email protected]>
(cherry picked from commit d931725)
@bedevere-app bedevere-app Bot mentioned this pull request Mar 9, 2026
[security] Disallow usage of control characters in status, headers and values for security in Lib/wsgiref/handlers.py #144370
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@bedevere-app bedevere-app Bot added the type-security A security issue label Mar 9, 2026
@bedevere-app bedevere-app Bot mentioned this pull request Mar 9, 2026
gh-144370: Disallow usage of control characters in status in Lib/wsgiref/handlers.py for security #144371
Merged
@bedevere-app bedevere-app Bot added the awaiting core review label Mar 9, 2026
@StanFromIreland StanFromIreland assigned pablogsal Apr 12, 2026
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github-actions Bot commented May 17, 2026

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This PR is stale because it has been open for 30 days with no activity.
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@github-actions github-actions Bot added the stale Stale PR or inactive for long period of time. label May 17, 2026
@pablogsal
pablogsal merged commit 3b80905 into python:3.11 May 17, 2026
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@bedevere-app bedevere-app Bot removed the awaiting core review label May 17, 2026
@vstinner
vstinner deleted the wsgiref311 branch May 18, 2026 12:14
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@vstinner @pablogsal @benediktjohannes
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