René's URL Explorer Experiment


Title: gh-90949: expose Expat API to tune exponential expansion protections by picnixz · Pull Request #139368 · python/cpython · GitHub

Open Graph Title: gh-90949: expose Expat API to tune exponential expansion protections by picnixz · Pull Request #139368 · python/cpython

X Title: gh-90949: expose Expat API to tune exponential expansion protections by picnixz · Pull Request #139368 · python/cpython

Description: This is built on top of #139366. cc @hartwork Issue: gh-90949 📚 Documentation preview 📚: https://cpython-previews--139368.org.readthedocs.build/

Open Graph Description: This is built on top of #139366. cc @hartwork Issue: gh-90949 📚 Documentation preview 📚: https://cpython-previews--139368.org.readthedocs.build/

X Description: This is built on top of #139366. cc @hartwork Issue: gh-90949 📚 Documentation preview 📚: https://cpython-previews--139368.org.readthedocs.build/

Opengraph URL: https://github.com/python/cpython/pull/139368

X: @github

direct link

Domain: github.com

route-pattern/:user_id/:repository/pull/:id/files(.:format)
route-controllerpull_requests
route-actionfiles
fetch-noncev2:7d43770e-d292-8457-2c6f-78ea85459422
current-catalog-service-hashae870bc5e265a340912cde392f23dad3671a0a881730ffdadd82f2f57d81641b
request-idAB52:24749A:1D96EFA:294FDFA:6A55F1EA
html-safe-nonce642371fd78f53aa92d35785b4f41479da6b7209ddc647e9fce1b05baee78ae7e
visitor-payloadeyJyZWZlcnJlciI6IiIsInJlcXVlc3RfaWQiOiJBQjUyOjI0NzQ5QToxRDk2RUZBOjI5NEZERkE6NkE1NUYxRUEiLCJ2aXNpdG9yX2lkIjoiODM5NTg3MTM2NTg4MzQ1ODM0IiwicmVnaW9uX2VkZ2UiOiJpYWQiLCJyZWdpb25fcmVuZGVyIjoiaWFkIn0=
visitor-hmacd005539d7e9045f9846889f98684d40bd71176d196486e86af095d642ed7e122
hovercard-subject-tagpull_request:2864807809
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///pull_requests/show/files
fb:app_id1401488693436528
apple-itunes-appapp-id=1477376905, app-argument=https://github.com/python/cpython/pull/139368/files
twitter:imagehttps://avatars.githubusercontent.com/u/10796600?s=400&v=4
twitter:cardsummary_large_image
og:imagehttps://avatars.githubusercontent.com/u/10796600?s=400&v=4
og:image:altThis is built on top of #139366. cc @hartwork Issue: gh-90949 📚 Documentation preview 📚: https://cpython-previews--139368.org.readthedocs.build/
og:site_nameGitHub
og:typeobject
hostnamegithub.com
expected-hostnamegithub.com
Noneb5665c84831ed9ac4fb79519c16c9c5580ba8092fb8bb6e3e72972ec7197348e
turbo-cache-controlno-preview
diff-viewunified
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 full-width
disable-turbotrue
browser-stats-urlhttps://api.github.com/_private/browser/stats
browser-errors-urlhttps://api.github.com/_private/browser/errors
release3725c7f9b2a6e3a27ef57c5aed13428c0f65e045
ui-targetfull
theme-color#1e2327
color-schemelight dark

Links:

Skip to contenthttps://github.com/python/cpython/pull/139368/files#start-of-content
https://github.com/
Sign in https://github.com/login?return_to=https%3A%2F%2Fgithub.com%2Fpython%2Fcpython%2Fpull%2F139368%2Ffiles
GitHub CopilotWrite better code with AIhttps://github.com/features/copilot
GitHub Copilot appDirect agents from issue to mergehttps://github.com/features/ai/github-app
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
View all resourceshttps://github.com/resources
GitHub SponsorsFund open source developershttps://github.com/open-source/sponsors
Security Labhttps://securitylab.github.com
Maintainer Communityhttps://maintainers.github.com
Acceleratorhttps://github.com/open-source/accelerator
GitHub Starshttps://stars.github.com
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/enterprise/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://github.com/login?return_to=https%3A%2F%2Fgithub.com%2Fpython%2Fcpython%2Fpull%2F139368%2Ffiles
Sign up https://github.com/signup?ref_cta=Sign+up&ref_loc=header+logged+out&ref_page=%2F%3Cuser-name%3E%2F%3Crepo-name%3E%2Fpull_requests%2Fshow%2Ffiles&source=header-repo&source_repo=python%2Fcpython
Reloadhttps://github.com/python/cpython/pull/139368/files
Reloadhttps://github.com/python/cpython/pull/139368/files
Reloadhttps://github.com/python/cpython/pull/139368/files
Please reload this pagehttps://github.com/python/cpython/pull/139368/files
python https://github.com/python
cpythonhttps://github.com/python/cpython
Please reload this pagehttps://github.com/python/cpython/pull/139368/files
Notifications https://github.com/login?return_to=%2Fpython%2Fcpython
Fork 35k https://github.com/login?return_to=%2Fpython%2Fcpython
Star 73.8k https://github.com/login?return_to=%2Fpython%2Fcpython
Code https://github.com/python/cpython
Issues 5k+ https://github.com/python/cpython/issues
Pull requests 2.3k https://github.com/python/cpython/pulls
Actions https://github.com/python/cpython/actions
Projects https://github.com/python/cpython/projects
Security and quality 0 https://github.com/python/cpython/security
Insights https://github.com/python/cpython/pulse
Code https://github.com/python/cpython
Issues https://github.com/python/cpython/issues
Pull requests https://github.com/python/cpython/pulls
Actions https://github.com/python/cpython/actions
Projects https://github.com/python/cpython/projects
Security and quality https://github.com/python/cpython/security
Insights https://github.com/python/cpython/pulse
Sign up for GitHub https://github.com/signup?return_to=%2Fpython%2Fcpython%2Fissues%2Fnew%2Fchoose
terms of servicehttps://docs.github.com/terms
privacy statementhttps://docs.github.com/privacy
Sign inhttps://github.com/login?return_to=%2Fpython%2Fcpython%2Fissues%2Fnew%2Fchoose
picnixzhttps://github.com/picnixz
python:mainhttps://github.com/python/cpython/tree/main
picnixz:feat/xml/1e9-lolz-api-90949https://github.com/picnixz/cpython/tree/feat/xml/1e9-lolz-api-90949
Conversation 36 https://github.com/python/cpython/pull/139368
Commits 7 https://github.com/python/cpython/pull/139368/commits
Checks 59 https://github.com/python/cpython/pull/139368/checks
Files changed https://github.com/python/cpython/pull/139368/files
Please reload this pagehttps://github.com/python/cpython/pull/139368/files
gh-90949: expose Expat API to tune exponential expansion protections https://github.com/python/cpython/pull/139368/files#top
Show all changes 7 commits https://github.com/python/cpython/pull/139368/files
bba2678 expose Expat mitigation API to prevent exponential expansions picnixz Sep 26, 2025 https://github.com/python/cpython/pull/139368/commits/bba2678dbac5cab126810580277f61216c73dbd4
363bcbc Merge branch 'main' into feat/xml/1e9-lolz-api-90949 picnixz Sep 26, 2025 https://github.com/python/cpython/pull/139368/commits/363bcbc5cab8b9b5f70f83834fa310fb1cbbc169
501ef0e Update pyexpat.c picnixz Sep 26, 2025 https://github.com/python/cpython/pull/139368/commits/501ef0eab298e3f5824929930c49f186a430f5dd
197dfa7 Update pyexpat.c picnixz Sep 26, 2025 https://github.com/python/cpython/pull/139368/commits/197dfa7e82c08edccf998edea05ed5c05922b2b4
9734458 address reviews picnixz Sep 27, 2025 https://github.com/python/cpython/pull/139368/commits/9734458b4f9518a53ad956753301b41714b27d4e
6c2eab7 clinic and comments picnixz Sep 27, 2025 https://github.com/python/cpython/pull/139368/commits/6c2eab775d5be4e2a53362f2fb34bc893dd1a39a
3ec2ebd update NEWS picnixz Sep 28, 2025 https://github.com/python/cpython/pull/139368/commits/3ec2ebd647d04c8ae75470d9cb5024b4dfd31644
Clear filters https://github.com/python/cpython/pull/139368/files
Please reload this pagehttps://github.com/python/cpython/pull/139368/files
Please reload this pagehttps://github.com/python/cpython/pull/139368/files
pyexpat.rst https://github.com/python/cpython/pull/139368/files#diff-a739ba3914e4e44366492e0305c5000673e34e958ed59e267ae0b678673bca6f
3.15.rst https://github.com/python/cpython/pull/139368/files#diff-bd7a9c5b54eeb2b40e6db5e48e8d79d309d8738e776a40918773c6840189edf9
pyexpat.h https://github.com/python/cpython/pull/139368/files#diff-aaf968eca81814ffa95a34e5152e81daeae19728dbdf3b936929ea8939edf1d3
test_pyexpat.py https://github.com/python/cpython/pull/139368/files#diff-bdb65b60742876d0828ee1d7f2c168d36fa02cc202ace32d27c46a7b4a17605d
2025-09-22-14-40-11.gh-issue-90949.UM35nb.rst https://github.com/python/cpython/pull/139368/files#diff-56e55f1679ab8724d487e7fded6f32a4fa5a851de0d5dce67aff864b377f7b56
2025-09-26-18-04-28.gh-issue-90949.YHjSzX.rst https://github.com/python/cpython/pull/139368/files#diff-425971b60f1f0d334e060cf3968650659f14c927bd0debd1f95415029f8b766f
pyexpat.c.h https://github.com/python/cpython/pull/139368/files#diff-dd7c1adec85d97caa1ee09914b4b7dace7cfe50227622049b3daca5d804d603a
pyexpat.c https://github.com/python/cpython/pull/139368/files#diff-0534aca0d881f2dd1100e875602f98da60bf20ce127564896dc1e8a92a6fad2c
Doc/library/pyexpat.rsthttps://github.com/python/cpython/pull/139368/files#diff-a739ba3914e4e44366492e0305c5000673e34e958ed59e267ae0b678673bca6f
View file https://github.com/picnixz/cpython/blob/3ec2ebd647d04c8ae75470d9cb5024b4dfd31644/Doc/library/pyexpat.rst
Open in desktop https://desktop.github.com
https://github.co/hiddenchars
https://github.com/python/cpython/pull/139368/{{ revealButtonHref }}
https://github.com/python/cpython/pull/139368/files#diff-a739ba3914e4e44366492e0305c5000673e34e958ed59e267ae0b678673bca6f
Please reload this pagehttps://github.com/python/cpython/pull/139368/files
https://github.com/python/cpython/pull/139368/files#diff-a739ba3914e4e44366492e0305c5000673e34e958ed59e267ae0b678673bca6f
https://github.com/python/cpython/pull/139368/files#diff-a739ba3914e4e44366492e0305c5000673e34e958ed59e267ae0b678673bca6f
https://github.com/python/cpython/pull/139368/files#diff-a739ba3914e4e44366492e0305c5000673e34e958ed59e267ae0b678673bca6f
https://github.com/python/cpython/blob/main/.github/CODEOWNERS#L116
Doc/whatsnew/3.15.rsthttps://github.com/python/cpython/pull/139368/files#diff-bd7a9c5b54eeb2b40e6db5e48e8d79d309d8738e776a40918773c6840189edf9
View file https://github.com/picnixz/cpython/blob/3ec2ebd647d04c8ae75470d9cb5024b4dfd31644/Doc/whatsnew/3.15.rst
Open in desktop https://desktop.github.com
https://github.co/hiddenchars
https://github.com/python/cpython/pull/139368/{{ revealButtonHref }}
https://github.com/python/cpython/pull/139368/files#diff-bd7a9c5b54eeb2b40e6db5e48e8d79d309d8738e776a40918773c6840189edf9
StanFromIrelandhttps://github.com/StanFromIreland
May 25, 2026https://github.com/python/cpython/pull/139368/files#r3298393948
Learn morehttps://docs.github.com/articles/managing-disruptive-comments/#hiding-a-comment
Please reload this pagehttps://github.com/python/cpython/pull/139368/files
picnixzhttps://github.com/picnixz
May 25, 2026https://github.com/python/cpython/pull/139368/files#r3298782308
Please reload this pagehttps://github.com/python/cpython/pull/139368/files
Learn morehttps://docs.github.com/articles/managing-disruptive-comments/#hiding-a-comment
Please reload this pagehttps://github.com/python/cpython/pull/139368/files
https://github.com/python/cpython/pull/139368/files#diff-bd7a9c5b54eeb2b40e6db5e48e8d79d309d8738e776a40918773c6840189edf9
Include/pyexpat.hhttps://github.com/python/cpython/pull/139368/files#diff-aaf968eca81814ffa95a34e5152e81daeae19728dbdf3b936929ea8939edf1d3
View file https://github.com/picnixz/cpython/blob/3ec2ebd647d04c8ae75470d9cb5024b4dfd31644/Include/pyexpat.h
Open in desktop https://desktop.github.com
https://github.co/hiddenchars
https://github.com/python/cpython/pull/139368/{{ revealButtonHref }}
https://github.com/python/cpython/pull/139368/files#diff-aaf968eca81814ffa95a34e5152e81daeae19728dbdf3b936929ea8939edf1d3
Lib/test/test_pyexpat.pyhttps://github.com/python/cpython/pull/139368/files#diff-bdb65b60742876d0828ee1d7f2c168d36fa02cc202ace32d27c46a7b4a17605d
View file https://github.com/picnixz/cpython/blob/3ec2ebd647d04c8ae75470d9cb5024b4dfd31644/Lib/test/test_pyexpat.py
Open in desktop https://desktop.github.com
https://github.co/hiddenchars
https://github.com/python/cpython/pull/139368/{{ revealButtonHref }}
https://github.com/python/cpython/pull/139368/files#diff-bdb65b60742876d0828ee1d7f2c168d36fa02cc202ace32d27c46a7b4a17605d
https://github.com/python/cpython/pull/139368/files#diff-bdb65b60742876d0828ee1d7f2c168d36fa02cc202ace32d27c46a7b4a17605d
Misc/NEWS.d/next/Library/2025-09-22-14-40-11.gh-issue-90949.UM35nb.rsthttps://github.com/python/cpython/pull/139368/files#diff-56e55f1679ab8724d487e7fded6f32a4fa5a851de0d5dce67aff864b377f7b56
View file https://github.com/picnixz/cpython/blob/3ec2ebd647d04c8ae75470d9cb5024b4dfd31644/Misc/NEWS.d/next/Library/2025-09-22-14-40-11.gh-issue-90949.UM35nb.rst
Open in desktop https://desktop.github.com
https://github.co/hiddenchars
https://github.com/python/cpython/pull/139368/{{ revealButtonHref }}
Misc/NEWS.d/next/Library/2025-09-26-18-04-28.gh-issue-90949.YHjSzX.rsthttps://github.com/python/cpython/pull/139368/files#diff-425971b60f1f0d334e060cf3968650659f14c927bd0debd1f95415029f8b766f
View file https://github.com/picnixz/cpython/blob/3ec2ebd647d04c8ae75470d9cb5024b4dfd31644/Misc/NEWS.d/next/Library/2025-09-26-18-04-28.gh-issue-90949.YHjSzX.rst
Open in desktop https://desktop.github.com
https://github.co/hiddenchars
https://github.com/python/cpython/pull/139368/{{ revealButtonHref }}
Modules/clinic/pyexpat.c.hhttps://github.com/python/cpython/pull/139368/files#diff-dd7c1adec85d97caa1ee09914b4b7dace7cfe50227622049b3daca5d804d603a
View file https://github.com/picnixz/cpython/blob/3ec2ebd647d04c8ae75470d9cb5024b4dfd31644/Modules/clinic/pyexpat.c.h
Open in desktop https://desktop.github.com
how customized files appear on GitHubhttps://docs.github.com/github/administering-a-repository/customizing-how-changed-files-appear-on-github
Please reload this pagehttps://github.com/python/cpython/pull/139368/files
Please reload this pagehttps://github.com/python/cpython/pull/139368/files
Please reload this pagehttps://github.com/python/cpython/pull/139368/files
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.