René's URL Explorer Experiment


Title: [3.12] gh-143916: Reject control characters in wsgiref.headers.Headers (GH-143917) (GH-143973) by gpshead · Pull Request #143974 · python/cpython · GitHub

Open Graph Title: [3.12] gh-143916: Reject control characters in wsgiref.headers.Headers (GH-143917) (GH-143973) by gpshead · Pull Request #143974 · python/cpython

X Title: [3.12] gh-143916: Reject control characters in wsgiref.headers.Headers (GH-143917) (GH-143973) by gpshead · Pull Request #143974 · python/cpython

Description: 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: Reje...

Open Graph Description: 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 #1439...

X Description: 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.Heade...

Opengraph URL: https://github.com/python/cpython/pull/143974

X: @github

direct link

Domain: patch-diff.githubusercontent.com

route-pattern/_view_fragments/voltron/pull_requests/show/:user_id/:repository/:id/pull_request_layout(.:format)
route-controllervoltron_pull_requests_fragments
route-actionpull_request_layout
fetch-noncev2:9f32f8d1-511d-3b2c-a91d-7aef1c1b6218
current-catalog-service-hashae870bc5e265a340912cde392f23dad3671a0a881730ffdadd82f2f57d81641b
request-idAC92:33D3A6:82DDB5:A846C0:696C7527
html-safe-noncebe4d684b12c7e15838101672a311778eae300457ea69f78b80d31302efff15e5
visitor-payloadeyJyZWZlcnJlciI6IiIsInJlcXVlc3RfaWQiOiJBQzkyOjMzRDNBNjo4MkREQjU6QTg0NkMwOjY5NkM3NTI3IiwidmlzaXRvcl9pZCI6IjU2NTU4NDUxMTAxODg2MzU0MzEiLCJyZWdpb25fZWRnZSI6ImlhZCIsInJlZ2lvbl9yZW5kZXIiOiJpYWQifQ==
visitor-hmac589dae5c87c868c870352534189e54b3279084a7f8a2241254ce6582d28097c8
hovercard-subject-tagpull_request:3184402557
github-keyboard-shortcutsrepository,pull-request-list,pull-request-conversation,pull-request-files-changed,copilot
google-site-verificationApib7-x98H0j5cPqHWwSMm6dNU4GmODRoqxLiDzdx9I
octolytics-urlhttps://collector.github.com/github/collect
analytics-location///voltron/pull_requests_fragments/pull_request_layout
fb:app_id1401488693436528
apple-itunes-appapp-id=1477376905, app-argument=https://github.com/_view_fragments/voltron/pull_requests/show/python/cpython/143974/pull_request_layout
twitter:imagehttps://opengraph.githubassets.com/b632e4ae0491dfe376de586cb4afe8162b5cbdde6783c352a5e60b17b7f4b2f8/python/cpython/pull/143974
twitter:cardsummary_large_image
og:imagehttps://opengraph.githubassets.com/b632e4ae0491dfe376de586cb4afe8162b5cbdde6783c352a5e60b17b7f4b2f8/python/cpython/pull/143974
og:image:altgh-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 #1439...
og:image:width1200
og:image:height600
og:site_nameGitHub
og:typeobject
og:author:usernamegpshead
hostnamegithub.com
expected-hostnamegithub.com
None5f99f7c1d70f01da5b93e5ca90303359738944d8ab470e396496262c66e60b8d
turbo-cache-controlno-preview
go-importgithub.com/python/cpython git https://github.com/python/cpython.git
octolytics-dimension-user_id1525981
octolytics-dimension-user_loginpython
octolytics-dimension-repository_id81598961
octolytics-dimension-repository_nwopython/cpython
octolytics-dimension-repository_publictrue
octolytics-dimension-repository_is_forkfalse
octolytics-dimension-repository_network_root_id81598961
octolytics-dimension-repository_network_root_nwopython/cpython
turbo-body-classeslogged-out env-production page-responsive
disable-turbofalse
browser-stats-urlhttps://api.github.com/_private/browser/stats
browser-errors-urlhttps://api.github.com/_private/browser/errors
release38f4d3209478aaeff3ef254f1919defede86af41
ui-targetfull
theme-color#1e2327
color-schemelight dark

Links:

Skip to contenthttps://patch-diff.githubusercontent.com/python/cpython/pull/143974#start-of-content
https://patch-diff.githubusercontent.com/
Sign in https://patch-diff.githubusercontent.com/login?return_to=https%3A%2F%2Fgithub.com%2Fpython%2Fcpython%2Fpull%2F143974
GitHub CopilotWrite better code with AIhttps://github.com/features/copilot
GitHub SparkBuild and deploy intelligent appshttps://github.com/features/spark
GitHub ModelsManage and compare promptshttps://github.com/features/models
MCP RegistryNewIntegrate external toolshttps://github.com/mcp
ActionsAutomate any workflowhttps://github.com/features/actions
CodespacesInstant dev environmentshttps://github.com/features/codespaces
IssuesPlan and track workhttps://github.com/features/issues
Code ReviewManage code changeshttps://github.com/features/code-review
GitHub Advanced SecurityFind and fix vulnerabilitieshttps://github.com/security/advanced-security
Code securitySecure your code as you buildhttps://github.com/security/advanced-security/code-security
Secret protectionStop leaks before they starthttps://github.com/security/advanced-security/secret-protection
Why GitHubhttps://github.com/why-github
Documentationhttps://docs.github.com
Bloghttps://github.blog
Changeloghttps://github.blog/changelog
Marketplacehttps://github.com/marketplace
View all featureshttps://github.com/features
Enterpriseshttps://github.com/enterprise
Small and medium teamshttps://github.com/team
Startupshttps://github.com/enterprise/startups
Nonprofitshttps://github.com/solutions/industry/nonprofits
App Modernizationhttps://github.com/solutions/use-case/app-modernization
DevSecOpshttps://github.com/solutions/use-case/devsecops
DevOpshttps://github.com/solutions/use-case/devops
CI/CDhttps://github.com/solutions/use-case/ci-cd
View all use caseshttps://github.com/solutions/use-case
Healthcarehttps://github.com/solutions/industry/healthcare
Financial serviceshttps://github.com/solutions/industry/financial-services
Manufacturinghttps://github.com/solutions/industry/manufacturing
Governmenthttps://github.com/solutions/industry/government
View all industrieshttps://github.com/solutions/industry
View all solutionshttps://github.com/solutions
AIhttps://github.com/resources/articles?topic=ai
Software Developmenthttps://github.com/resources/articles?topic=software-development
DevOpshttps://github.com/resources/articles?topic=devops
Securityhttps://github.com/resources/articles?topic=security
View all topicshttps://github.com/resources/articles
Customer storieshttps://github.com/customer-stories
Events & webinarshttps://github.com/resources/events
Ebooks & reportshttps://github.com/resources/whitepapers
Business insightshttps://github.com/solutions/executive-insights
GitHub Skillshttps://skills.github.com
Documentationhttps://docs.github.com
Customer supporthttps://support.github.com
Community forumhttps://github.com/orgs/community/discussions
Trust centerhttps://github.com/trust-center
Partnershttps://github.com/partners
GitHub SponsorsFund open source developershttps://github.com/sponsors
Security Labhttps://securitylab.github.com
Maintainer Communityhttps://maintainers.github.com
Acceleratorhttps://github.com/accelerator
Archive Programhttps://archiveprogram.github.com
Topicshttps://github.com/topics
Trendinghttps://github.com/trending
Collectionshttps://github.com/collections
Enterprise platformAI-powered developer platformhttps://github.com/enterprise
GitHub Advanced SecurityEnterprise-grade security featureshttps://github.com/security/advanced-security
Copilot for BusinessEnterprise-grade AI featureshttps://github.com/features/copilot/copilot-business
Premium SupportEnterprise-grade 24/7 supporthttps://github.com/premium-support
Pricinghttps://github.com/pricing
Search syntax tipshttps://docs.github.com/search-github/github-code-search/understanding-github-code-search-syntax
documentationhttps://docs.github.com/search-github/github-code-search/understanding-github-code-search-syntax
Sign in https://patch-diff.githubusercontent.com/login?return_to=https%3A%2F%2Fgithub.com%2Fpython%2Fcpython%2Fpull%2F143974
Sign up https://patch-diff.githubusercontent.com/signup?ref_cta=Sign+up&ref_loc=header+logged+out&ref_page=%2F%3Cuser-name%3E%2F%3Crepo-name%3E%2Fvoltron%2Fpull_requests_fragments%2Fpull_request_layout&source=header-repo&source_repo=python%2Fcpython
Reloadhttps://patch-diff.githubusercontent.com/python/cpython/pull/143974
Reloadhttps://patch-diff.githubusercontent.com/python/cpython/pull/143974
Reloadhttps://patch-diff.githubusercontent.com/python/cpython/pull/143974
python https://patch-diff.githubusercontent.com/python
cpythonhttps://patch-diff.githubusercontent.com/python/cpython
Please reload this pagehttps://patch-diff.githubusercontent.com/python/cpython/pull/143974
Notifications https://patch-diff.githubusercontent.com/login?return_to=%2Fpython%2Fcpython
Fork 33.9k https://patch-diff.githubusercontent.com/login?return_to=%2Fpython%2Fcpython
Star 71.1k https://patch-diff.githubusercontent.com/login?return_to=%2Fpython%2Fcpython
Code https://patch-diff.githubusercontent.com/python/cpython
Issues 5k+ https://patch-diff.githubusercontent.com/python/cpython/issues
Pull requests 2.1k https://patch-diff.githubusercontent.com/python/cpython/pulls
Actions https://patch-diff.githubusercontent.com/python/cpython/actions
Projects 31 https://patch-diff.githubusercontent.com/python/cpython/projects
Security Uh oh! There was an error while loading. Please reload this page. https://patch-diff.githubusercontent.com/python/cpython/security
Please reload this pagehttps://patch-diff.githubusercontent.com/python/cpython/pull/143974
Insights https://patch-diff.githubusercontent.com/python/cpython/pulse
Code https://patch-diff.githubusercontent.com/python/cpython
Issues https://patch-diff.githubusercontent.com/python/cpython/issues
Pull requests https://patch-diff.githubusercontent.com/python/cpython/pulls
Actions https://patch-diff.githubusercontent.com/python/cpython/actions
Projects https://patch-diff.githubusercontent.com/python/cpython/projects
Security https://patch-diff.githubusercontent.com/python/cpython/security
Insights https://patch-diff.githubusercontent.com/python/cpython/pulse
Sign up for GitHub https://patch-diff.githubusercontent.com/signup?return_to=%2Fpython%2Fcpython%2Fissues%2Fnew%2Fchoose
terms of servicehttps://docs.github.com/terms
privacy statementhttps://docs.github.com/privacy
Sign inhttps://patch-diff.githubusercontent.com/login?return_to=%2Fpython%2Fcpython%2Fissues%2Fnew%2Fchoose
Jump to bottomhttps://patch-diff.githubusercontent.com/python/cpython/pull/143974#issue-comment-box
gpsheadhttps://patch-diff.githubusercontent.com/gpshead
python:3.12https://patch-diff.githubusercontent.com/python/cpython/tree/3.12
gpshead:backport-22e4d55-3.12https://patch-diff.githubusercontent.com/gpshead/cpython/tree/backport-22e4d55-3.12
[3.12] gh-143916: Reject control characters in wsgiref.headers.Headers (GH-143917) (GH-143973) https://patch-diff.githubusercontent.com/python/cpython/pull/143974#top
gpsheadhttps://patch-diff.githubusercontent.com/gpshead
python:3.12https://patch-diff.githubusercontent.com/python/cpython/tree/3.12
gpshead:backport-22e4d55-3.12https://patch-diff.githubusercontent.com/gpshead/cpython/tree/backport-22e4d55-3.12
Conversation 0 https://patch-diff.githubusercontent.com/python/cpython/pull/143974
Commits 1 https://patch-diff.githubusercontent.com/python/cpython/pull/143974/commits
Checks 32 https://patch-diff.githubusercontent.com/python/cpython/pull/143974/checks
Files changed 4 https://patch-diff.githubusercontent.com/python/cpython/pull/143974/files
https://github.co/hiddenchars
https://patch-diff.githubusercontent.com/python/cpython/pull/{{ revealButtonHref }}
https://patch-diff.githubusercontent.com/gpshead
gpsheadhttps://patch-diff.githubusercontent.com/gpshead
Jan 17, 2026https://patch-diff.githubusercontent.com/python/cpython/pull/143974#issue-3825635739
gh-143916https://github.com/python/cpython/issues/143916
GH-143917https://github.com/python/cpython/pull/143917
Reject control characters in wsgiref.headers.Headers #143916https://github.com/python/cpython/issues/143916
f7fceedhttps://github.com/python/cpython/commit/f7fceed79ca1bceae8dbe5ba5bc8928564da7211
22e4d55https://github.com/python/cpython/commit/22e4d55285cee52bc4dbe061324e5f30bd4dee58
Please reload this pagehttps://patch-diff.githubusercontent.com/python/cpython/pull/143974
https://patch-diff.githubusercontent.com/gpshead
https://patch-diff.githubusercontent.com/sethmlarson
[3.12]https://patch-diff.githubusercontent.com/python/cpython/pull/143974/commits/03a7342c9e2bbdab20a6d882bf334608dc7a5d4b
pythongh-143916https://github.com/python/cpython/issues/143916
: Reject control characters in wsgiref.headers.…https://patch-diff.githubusercontent.com/python/cpython/pull/143974/commits/03a7342c9e2bbdab20a6d882bf334608dc7a5d4b
03a7342https://patch-diff.githubusercontent.com/python/cpython/pull/143974/commits/03a7342c9e2bbdab20a6d882bf334608dc7a5d4b
pythonGH-143917https://github.com/python/cpython/pull/143917
pythonGH-143973https://github.com/python/cpython/pull/143973
pythongh-143916https://github.com/python/cpython/issues/143916
pythonGH-143917https://github.com/python/cpython/pull/143917
pythongh-143916https://github.com/python/cpython/issues/143916
f7fceedhttps://github.com/gpshead/cpython/commit/f7fceed79ca1bceae8dbe5ba5bc8928564da7211
22e4d55https://github.com/gpshead/cpython/commit/22e4d55285cee52bc4dbe061324e5f30bd4dee58
https://patch-diff.githubusercontent.com/apps/bedevere-app
bedevere-apphttps://patch-diff.githubusercontent.com/apps/bedevere-app
Jan 17, 2026 https://patch-diff.githubusercontent.com/python/cpython/pull/143974#ref-issue-3822800187
Reject control characters in wsgiref.headers.Headers #143916 https://patch-diff.githubusercontent.com/python/cpython/issues/143916
https://patch-diff.githubusercontent.com/apps/bedevere-app
bedevere-apphttps://patch-diff.githubusercontent.com/apps/bedevere-app
awaiting core review https://patch-diff.githubusercontent.com/python/cpython/issues?q=state%3Aopen%20label%3A%22awaiting%20core%20review%22
type-security https://patch-diff.githubusercontent.com/python/cpython/issues?q=state%3Aopen%20label%3Atype-security
Jan 17, 2026https://patch-diff.githubusercontent.com/python/cpython/pull/143974#event-22116316321
https://patch-diff.githubusercontent.com/apps/bedevere-app
bedevere-apphttps://patch-diff.githubusercontent.com/apps/bedevere-app
Jan 17, 2026 https://patch-diff.githubusercontent.com/python/cpython/pull/143974#ref-pullrequest-3825596441
[3.13] gh-143916: Reject control characters in wsgiref.headers.Headers (GH-143917) #143973 https://patch-diff.githubusercontent.com/python/cpython/pull/143973
https://patch-diff.githubusercontent.com/gpshead
gpsheadhttps://patch-diff.githubusercontent.com/gpshead
needs backport to 3.10 https://patch-diff.githubusercontent.com/python/cpython/issues?q=state%3Aopen%20label%3A%22needs%20backport%20to%203.10%22
needs backport to 3.11 https://patch-diff.githubusercontent.com/python/cpython/issues?q=state%3Aopen%20label%3A%22needs%20backport%20to%203.11%22
release-blocker https://patch-diff.githubusercontent.com/python/cpython/issues?q=state%3Aopen%20label%3Arelease-blocker
type-security https://patch-diff.githubusercontent.com/python/cpython/issues?q=state%3Aopen%20label%3Atype-security
needs backport to 3.10 https://patch-diff.githubusercontent.com/python/cpython/issues?q=state%3Aopen%20label%3A%22needs%20backport%20to%203.10%22
needs backport to 3.11 https://patch-diff.githubusercontent.com/python/cpython/issues?q=state%3Aopen%20label%3A%22needs%20backport%20to%203.11%22
Jan 17, 2026https://patch-diff.githubusercontent.com/python/cpython/pull/143974#event-22116316628
https://patch-diff.githubusercontent.com/apps/github-project-automation
github-project-automationhttps://patch-diff.githubusercontent.com/apps/github-project-automation
Release and Deferred blockers 🚫https://patch-diff.githubusercontent.com/orgs/python/projects/2
Jan 17, 2026https://patch-diff.githubusercontent.com/python/cpython/pull/143974#event-22116319352
https://patch-diff.githubusercontent.com/apps/github-project-automation
github-project-automationhttps://patch-diff.githubusercontent.com/apps/github-project-automation
Release and Deferred blockers 🚫https://patch-diff.githubusercontent.com/orgs/python/projects/2
Jan 17, 2026https://patch-diff.githubusercontent.com/python/cpython/pull/143974#event-22116319042
https://patch-diff.githubusercontent.com/gpshead
gpsheadhttps://patch-diff.githubusercontent.com/gpshead
type-security https://patch-diff.githubusercontent.com/python/cpython/issues?q=state%3Aopen%20label%3Atype-security
Jan 17, 2026https://patch-diff.githubusercontent.com/python/cpython/pull/143974#event-22116319690
Sign up for freehttps://patch-diff.githubusercontent.com/join?source=comment-repo
Sign in to commenthttps://patch-diff.githubusercontent.com/login?return_to=https%3A%2F%2Fgithub.com%2Fpython%2Fcpython%2Fpull%2F143974
awaiting core review https://patch-diff.githubusercontent.com/python/cpython/issues?q=state%3Aopen%20label%3A%22awaiting%20core%20review%22
release-blocker https://patch-diff.githubusercontent.com/python/cpython/issues?q=state%3Aopen%20label%3Arelease-blocker
type-security https://patch-diff.githubusercontent.com/python/cpython/issues?q=state%3Aopen%20label%3Atype-security
Release and Deferred blockers 🚫 https://patch-diff.githubusercontent.com/orgs/python/projects/2
Please reload this pagehttps://patch-diff.githubusercontent.com/python/cpython/pull/143974
https://patch-diff.githubusercontent.com/gpshead
https://github.com
Termshttps://docs.github.com/site-policy/github-terms/github-terms-of-service
Privacyhttps://docs.github.com/site-policy/privacy-policies/github-privacy-statement
Securityhttps://github.com/security
Statushttps://www.githubstatus.com/
Communityhttps://github.community/
Docshttps://docs.github.com/
Contacthttps://support.github.com?tags=dotcom-footer

Viewport: width=device-width


URLs of crawlers that visited me.