René's URL Explorer Experiment


Title: [3.10] gh-90949: add Expat API to prevent XML deadly allocations (CVE-2025-59375) (GH-139234) by hartwork · Pull Request #139532 · python/cpython · GitHub

Open Graph Title: [3.10] gh-90949: add Expat API to prevent XML deadly allocations (CVE-2025-59375) (GH-139234) by hartwork · Pull Request #139532 · python/cpython

X Title: [3.10] gh-90949: add Expat API to prevent XML deadly allocations (CVE-2025-59375) (GH-139234) by hartwork · Pull Request #139532 · python/cpython

Description: The Python programming language. Contribute to python/cpython development by creating an account on GitHub.

Open Graph Description: Expose the XML Expat 2.7.2 mitigation APIs to disallow use of disproportional amounts of dynamic memory from within an Expat parser (see CVE-2025-59375 for instance). The exposed APIs are available...

X Description: Expose the XML Expat 2.7.2 mitigation APIs to disallow use of disproportional amounts of dynamic memory from within an Expat parser (see CVE-2025-59375 for instance). The exposed APIs are available...

Opengraph URL: https://github.com/python/cpython/pull/139532

X: @github

direct link

Domain: github.com

route-pattern/:user_id/:repository/pull/:id/commits(.:format)
route-controllerpull_requests
route-actioncommits
fetch-noncev2:ef070b0a-56ce-a5f1-0d36-a194481afde3
current-catalog-service-hashae870bc5e265a340912cde392f23dad3671a0a881730ffdadd82f2f57d81641b
request-id90F2:245004:11BE6C1:19E8744:6A5612AB
html-safe-nonce8777dede49d24cc99af365f08b9585ed11ac756790a80838be3e8620750a7d06
visitor-payloadeyJyZWZlcnJlciI6IiIsInJlcXVlc3RfaWQiOiI5MEYyOjI0NTAwNDoxMUJFNkMxOjE5RTg3NDQ6NkE1NjEyQUIiLCJ2aXNpdG9yX2lkIjoiNjkwNDQwNjUyOTk0NjI5MjkwNyIsInJlZ2lvbl9lZGdlIjoiaWFkIiwicmVnaW9uX3JlbmRlciI6ImlhZCJ9
visitor-hmac9b46969b87414e00b16a5819ef2c87f11ab880c386398445acc413dff9cb7a52
hovercard-subject-tagpull_request:2883439706
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/commits
fb:app_id1401488693436528
apple-itunes-appapp-id=1477376905, app-argument=https://github.com/python/cpython/pull/139532/commits
twitter:imagehttps://opengraph.githubassets.com/45575371ab76448bdcbff9e87f31d95f8a73c87ce8eb9989be8e896c27685c9f/python/cpython/pull/139532
twitter:cardsummary_large_image
og:imagehttps://opengraph.githubassets.com/45575371ab76448bdcbff9e87f31d95f8a73c87ce8eb9989be8e896c27685c9f/python/cpython/pull/139532
og:image:altExpose the XML Expat 2.7.2 mitigation APIs to disallow use of disproportional amounts of dynamic memory from within an Expat parser (see CVE-2025-59375 for instance). The exposed APIs are available...
og:image:width1200
og:image:height600
og:site_nameGitHub
og:typeobject
og:author:usernamehartwork
hostnamegithub.com
expected-hostnamegithub.com
Nonef4368738fc918fecd9b3958f6b49218bbe60d4185f38e72e3954e11f1ad0213a
turbo-cache-controlno-cache
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
releaseb76b9cc70d30da50674184c9c66c56423fd0b93c
ui-targetfull
theme-color#1e2327
color-schemelight dark

Links:

Skip to contenthttps://github.com/python/cpython/pull/139532/commits#start-of-content
https://github.com/
Sign in https://github.com/login?return_to=https%3A%2F%2Fgithub.com%2Fpython%2Fcpython%2Fpull%2F139532%2Fcommits
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%2F139532%2Fcommits
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%2Fcommits&source=header-repo&source_repo=python%2Fcpython
Reloadhttps://github.com/python/cpython/pull/139532/commits
Reloadhttps://github.com/python/cpython/pull/139532/commits
Reloadhttps://github.com/python/cpython/pull/139532/commits
Please reload this pagehttps://github.com/python/cpython/pull/139532/commits
python https://github.com/python
cpythonhttps://github.com/python/cpython
Please reload this pagehttps://github.com/python/cpython/pull/139532/commits
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
pablogsalhttps://github.com/pablogsal
python:3.10https://github.com/python/cpython/tree/3.10
hartwork:backport-f04bea4-3.10https://github.com/hartwork/cpython/tree/backport-f04bea4-3.10
Conversationhttps://github.com/python/cpython/pull/139532
Commits9 (9)https://github.com/python/cpython/pull/139532/commits
Checkshttps://github.com/python/cpython/pull/139532/checks
Files changedhttps://github.com/python/cpython/pull/139532/files
[3.10] gh-90949: add Expat API to prevent XML deadly allocations (CVE-2025-59375) (GH-139234)https://github.com/python/cpython/pull/139532/commits#top
pablogsalhttps://github.com/pablogsal
python:3.10https://github.com/python/cpython/tree/3.10
hartwork:backport-f04bea4-3.10https://github.com/hartwork/cpython/tree/backport-f04bea4-3.10
gh-90949: add Expat API to prevent XML deadly allocations (CVE-2025-59375) (#139234)https://github.com/python/cpython/pull/139532/commits/de690f1e45672dfbf648695d15d775bf073c5155
picnixzhttps://github.com/python/cpython/commits?author=picnixz
hartworkhttps://github.com/python/cpython/commits?author=hartwork
de690f1https://github.com/python/cpython/pull/139532/commits/de690f1e45672dfbf648695d15d775bf073c5155
https://github.com/python/cpython/tree/de690f1e45672dfbf648695d15d775bf073c5155
gh-90949: amend GH-139234 in prevision of future mitigation API (#139366)https://github.com/python/cpython/pull/139532/commits/6ae7665443dca42055ecbe5a9e45bcc3cac8fef2
picnixzhttps://github.com/python/cpython/commits?author=picnixz
hartworkhttps://github.com/python/cpython/commits?author=hartwork
6ae7665https://github.com/python/cpython/pull/139532/commits/6ae7665443dca42055ecbe5a9e45bcc3cac8fef2
https://github.com/python/cpython/tree/6ae7665443dca42055ecbe5a9e45bcc3cac8fef2
Workaround lack of _Py_ID in CPython 3.10.xhttps://github.com/python/cpython/pull/139532/commits/a6a31cfd8195fb1a696bc471271a88078c55b953
https://github.com/hartwork
hartworkhttps://github.com/python/cpython/commits?author=hartwork
a6a31cfhttps://github.com/python/cpython/pull/139532/commits/a6a31cfd8195fb1a696bc471271a88078c55b953
https://github.com/python/cpython/tree/a6a31cfd8195fb1a696bc471271a88078c55b953
Add temporary workaround for issue 139400https://github.com/python/cpython/pull/139532/commits/98cb5cdc984f0dd19ed287e80b9ca7b1944ae7c6
https://github.com/hartwork
hartworkhttps://github.com/python/cpython/commits?author=hartwork
98cb5cdhttps://github.com/python/cpython/pull/139532/commits/98cb5cdc984f0dd19ed287e80b9ca7b1944ae7c6
https://github.com/python/cpython/tree/98cb5cdc984f0dd19ed287e80b9ca7b1944ae7c6
Migrate py_id_code into pyexpat_statehttps://github.com/python/cpython/pull/139532/commits/d1da6d6d2badfdbad4c1aa64dcda0ac603804f0d
https://github.com/hartwork
hartworkhttps://github.com/python/cpython/commits?author=hartwork
d1da6d6https://github.com/python/cpython/pull/139532/commits/d1da6d6d2badfdbad4c1aa64dcda0ac603804f0d
https://github.com/python/cpython/tree/d1da6d6d2badfdbad4c1aa64dcda0ac603804f0d
Revert introduction of stddef.h importhttps://github.com/python/cpython/pull/139532/commits/21bdc0db66c4c1dd5b7309ada6e06c8d7d29373e
https://github.com/hartwork
hartworkhttps://github.com/python/cpython/commits?author=hartwork
21bdc0dhttps://github.com/python/cpython/pull/139532/commits/21bdc0db66c4c1dd5b7309ada6e06c8d7d29373e
https://github.com/python/cpython/tree/21bdc0db66c4c1dd5b7309ada6e06c8d7d29373e
Merge remote-tracking branch 'upstream/3.10' into backport-f04bea4-3.10https://github.com/python/cpython/pull/139532/commits/0049b51d538f5efc1639ee4872d40cf1725d2904
https://github.com/hartwork
hartworkhttps://github.com/python/cpython/commits?author=hartwork
0049b51https://github.com/python/cpython/pull/139532/commits/0049b51d538f5efc1639ee4872d40cf1725d2904
https://github.com/python/cpython/tree/0049b51d538f5efc1639ee4872d40cf1725d2904
Drop workaround for 139400 as no-longer-neededhttps://github.com/python/cpython/pull/139532/commits/8027b28dabec7cc61b7a1e43367c41b7db55eac9
https://github.com/hartwork
hartworkhttps://github.com/python/cpython/commits?author=hartwork
8027b28https://github.com/python/cpython/pull/139532/commits/8027b28dabec7cc61b7a1e43367c41b7db55eac9
https://github.com/python/cpython/tree/8027b28dabec7cc61b7a1e43367c41b7db55eac9
Merge remote-tracking branch 'upstream/3.10' into backport-f04bea4-3.10https://github.com/python/cpython/pull/139532/commits/7499b9087caec0dfbb71a17d1c4ef4d61cd9f7c9
https://github.com/hartwork
hartworkhttps://github.com/python/cpython/commits?author=hartwork
7499b90https://github.com/python/cpython/pull/139532/commits/7499b9087caec0dfbb71a17d1c4ef4d61cd9f7c9
https://github.com/python/cpython/tree/7499b9087caec0dfbb71a17d1c4ef4d61cd9f7c9
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.