René's URL Explorer Experiment


Title: [3.10] gh-145986: Avoid unbound C recursion in `conv_content_model` in `pyexpat.c` (CVE 2026-4224) (GH-145987) by StanFromIreland · Pull Request #146002 · python/cpython · GitHub

Open Graph Title: [3.10] gh-145986: Avoid unbound C recursion in `conv_content_model` in `pyexpat.c` (CVE 2026-4224) (GH-145987) by StanFromIreland · Pull Request #146002 · python/cpython

X Title: [3.10] gh-145986: Avoid unbound C recursion in `conv_content_model` in `pyexpat.c` (CVE 2026-4224) (GH-145987) by StanFromIreland · Pull Request #146002 · python/cpython

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

Open Graph Description: Fix C stack overflow (CVE-2026-4224) when an Expat parser with a registered ElementDeclHandler parses inline DTD containing deeply nested content model. (cherry picked from commit eb0e8be) (cherry...

X Description: Fix C stack overflow (CVE-2026-4224) when an Expat parser with a registered ElementDeclHandler parses inline DTD containing deeply nested content model. (cherry picked from commit eb0e8be) (cherry...

Opengraph URL: https://github.com/python/cpython/pull/146002

X: @github

direct link

Domain: github.com

react-profiling0
react-import-mapreact,react-dom,react-dom/client,react-dom/profiling,react-is,react-reconciler,react/compiler-runtime,react/jsx-dev-runtime,react/jsx-runtime,scheduler@d5750093facf
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:ae035a96-e88c-fddb-a67d-0a804f1ac32a
current-catalog-service-hashae870bc5e265a340912cde392f23dad3671a0a881730ffdadd82f2f57d81641b
request-idC434:23A51A:29F049:3AA617:6AECB7E6
html-safe-nonce0488fae354b19bad5b4734f93e5f239d44c65907acc8880056a5f92d200e16b2
visitor-payloadeyJyZWZlcnJlciI6IiIsInJlcXVlc3RfaWQiOiJDNDM0OjIzQTUxQToyOUYwNDk6M0FBNjE3OjZBRUNCN0U2IiwidmlzaXRvcl9pZCI6IjI1MjcyMDY5MTM5MzM2MjEyMjIiLCJyZWdpb25fZWRnZSI6ImlhZCIsInJlZ2lvbl9yZW5kZXIiOiJpYWQifQ==
visitor-hmacba4cbdfc27d7d2fa9fbc1a588af8e5f01e9564c8a63c20fa5cd7266655379430
hovercard-subject-tagpull_request:3401809226
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/146002/pull_request_layout
twitter:imagehttps://opengraph.githubassets.com/9eac248ef129555231848c6b312a620a9f3027f9b101688f946d52d924746f6e/python/cpython/pull/146002
twitter:cardsummary_large_image
og:imagehttps://opengraph.githubassets.com/9eac248ef129555231848c6b312a620a9f3027f9b101688f946d52d924746f6e/python/cpython/pull/146002
og:image:altFix C stack overflow (CVE-2026-4224) when an Expat parser with a registered ElementDeclHandler parses inline DTD containing deeply nested content model. (cherry picked from commit eb0e8be) (cherry...
og:image:width1200
og:image:height600
og:site_nameGitHub
og:typeobject
og:author:usernameStanFromIreland
hostnamegithub.com
expected-hostnamegithub.com
None95ae5445dec4cded2bc4f9d97ede92b9116c0bf381a08a5c844b60b5bddcbc97
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
releasedb4ef601a7f034ae2a68e17d6eeaeb7ee9470192
ui-targetfull
theme-color#1e2327
color-schemelight dark
react-app-namepull-requests

Links:

Skip to contenthttps://github.com/python/cpython/pull/146002#start-of-content
https://github.com/
Sign inhttps://github.com/login?return_to=https%3A%2F%2Fgithub.com%2Fpython%2Fcpython%2Fpull%2F146002
GitHubRepository hosting, code review, and collaborationhttps://github.com/platform
CopilotAI coding agent for tasks, projects, and automated workhttps://github.com/features/copilot
ActionsCI/CD and automationhttps://github.com/features/actions
Code QualityQuality analysis, fixes, and enforcementhttps://github.com/features/code-quality
CodespacesCloud development environmentshttps://github.com/features/codespaces
Code SecurityVulnerability detection and remediationhttps://github.com/security/advanced-security/code-security
Secret ProtectionSecret scanning and leak preventionhttps://github.com/security/advanced-security/secret-protection
All Featureshttps://github.com/features
Documentationhttps://docs.github.com/en
Traininghttps://learn.github.com/skills
Certificationshttps://learn.github.com/credentials
Build with Copilothttps://github.com/features/ai
Customize Copilothttps://docs.github.com/en/copilot/how-tos/copilot-on-github/customize-copilot/customize-copilot-overview
Integrationshttps://github.com/marketplace
Trending reposhttps://github.com/trending
GitHub Sponsorshttps://github.com/open-source/sponsors
Developer articleshttps://github.com/resources/articles
ChangelogYour source for the latest features, improvements, and fixes across GitHub products, all in one place.https://github.blog/changelog/
Enterpriseshttps://github.com/enterprise
Teamhttps://github.com/team
Startupshttps://github.com/enterprise/startups
Nonprofitshttps://github.com/solutions/industry/nonprofits
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
See all industrieshttps://github.com/solutions/industry
Why GitHubhttps://github.com/why-github
Customer Storieshttps://github.com/customer-stories
Business insightshttps://github.com/solutions/executive-insights
Trust Centerhttps://github.com/trust-center
GitHub Advanced SecurityEnterprise-grade code securityhttps://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
Documentationhttps://docs.github.com/en
Resource centerhttps://github.com/resources
Bloghttps://github.blog/
Events & webinarshttps://github.com/resources/events
Community Forumhttps://github.com/orgs/community/discussions
Customer Storieshttps://github.com/customer-stories
Integrationshttps://github.com/marketplace
Customer supporthttps://help.github.com/
Traininghttps://learn.github.com/skills
GitHub Statushttps://www.githubstatus.com/
Abouthttps://github.com/about
Partnershttps://github.com/partners
Changeloghttps://github.blog/changelog/
GitHub UniverseThe event for developers, by developers — talks, workshops, and what’s next for GitHub.https://githubuniverse.com/
Pricinghttps://github.com/pricing
Sign inhttps://github.com/login?return_to=https%3A%2F%2Fgithub.com%2Fpython%2Fcpython%2Fpull%2F146002
Sign uphttps://github.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://github.com/python/cpython/pull/146002
Reloadhttps://github.com/python/cpython/pull/146002
Reloadhttps://github.com/python/cpython/pull/146002
pythonhttps://github.com/python
cpythonhttps://github.com/python/cpython
Codehttps://github.com/python/cpython
Issues5k+ (5k+)https://github.com/python/cpython/issues
Pull requests2.3k (2.3k)https://github.com/python/cpython/pulls
Actionshttps://github.com/python/cpython/actions
Projectshttps://github.com/python/cpython/projects
Security and qualityhttps://github.com/python/cpython/security
Insightshttps://github.com/python/cpython/pulse
https://github.com/python/cpython
pablogsalhttps://github.com/pablogsal
python:3.10https://github.com/python/cpython/tree/3.10
StanFromIreland:backport-e5caf45-3.10https://github.com/StanFromIreland/cpython/tree/backport-e5caf45-3.10
Conversationhttps://github.com/python/cpython/pull/146002
Commits3 (3)https://github.com/python/cpython/pull/146002/commits
Checkshttps://github.com/python/cpython/pull/146002/checks
Files changedhttps://github.com/python/cpython/pull/146002/files
[3.10] gh-145986: Avoid unbound C recursion in conv_content_model in pyexpat.c (CVE 2026-4224) (GH-145987)https://github.com/python/cpython/pull/146002#top
pablogsalhttps://github.com/pablogsal
python:3.10https://github.com/python/cpython/tree/3.10
StanFromIreland:backport-e5caf45-3.10https://github.com/StanFromIreland/cpython/tree/backport-e5caf45-3.10
https://github.com/StanFromIreland
StanFromIrelandhttps://github.com/StanFromIreland
Mar 15, 2026https://github.com/python/cpython/pull/146002#issue-4079303396
Please reload this pagehttps://github.com/python/cpython/pull/146002
CVE-2026-4224https://github.com/advisories/GHSA-h46w-ffvp-4pw5
eb0e8behttps://github.com/python/cpython/commit/eb0e8be3a7e11b87d198a2c3af1ed0eccf532768
e5caf45https://github.com/python/cpython/commit/e5caf45faac74b0ed869e3336420cffd3510ce6e
pyexpat.c: Unbounded C recursion in conv_content_model causes crash (CVE 2026-4224) #145986https://github.com/python/cpython/issues/145986
Please reload this pagehttps://github.com/python/cpython/pull/146002
https://github.com/StanFromIreland
https://github.com/picnixz
[3.10]https://github.com/python/cpython/pull/146002/commits/0c50fa41c639b7523f9a09f48928c72ea1f0bbcc
pythongh-145986https://github.com/python/cpython/issues/145986
: Avoid unbound C recursion in `conv_content_mo…https://github.com/python/cpython/pull/146002/commits/0c50fa41c639b7523f9a09f48928c72ea1f0bbcc
0c50fa4https://github.com/python/cpython/pull/146002/commits/0c50fa41c639b7523f9a09f48928c72ea1f0bbcc
pythonGH-145987https://github.com/python/cpython/pull/145987
CVE-2026-4224https://github.com/advisories/GHSA-h46w-ffvp-4pw5
eb0e8behttps://github.com/StanFromIreland/cpython/commit/eb0e8be3a7e11b87d198a2c3af1ed0eccf532768
e5caf45https://github.com/StanFromIreland/cpython/commit/e5caf45faac74b0ed869e3336420cffd3510ce6e
https://github.com/apps/bedevere-app
bedevere-apphttps://github.com/apps/bedevere-app
Mar 15, 2026 https://github.com/python/cpython/pull/146002#ref-issue-4079043663
pyexpat.c: Unbounded C recursion in conv_content_model causes crash (CVE 2026-4224) #145986 https://github.com/python/cpython/issues/145986
https://github.com/apps/bedevere-app
bedevere-apphttps://github.com/apps/bedevere-app
awaiting review https://github.com/python/cpython/issues?q=state%3Aopen%20label%3A%22awaiting%20review%22
Mar 15, 2026https://github.com/python/cpython/pull/146002#event-23589040725
https://github.com/apps/bedevere-app
bedevere-apphttps://github.com/apps/bedevere-app
Mar 15, 2026 https://github.com/python/cpython/pull/146002#ref-pullrequest-4079049495
gh-145986: Avoid unbound C recursion in conv_content_model in pyexpat.c (CVE 2026-4224) #145987 https://github.com/python/cpython/pull/145987
https://github.com/StanFromIreland
StanFromIrelandhttps://github.com/StanFromIreland
Mar 15, 2026 https://github.com/python/cpython/pull/146002#pullrequestreview-3950705205
View reviewed changes https://github.com/python/cpython/pull/146002/files/0c50fa41c639b7523f9a09f48928c72ea1f0bbcc
Misc/NEWS.d/next/Security/2026-03-14-17-31-39.gh-issue-145986.ifSSr8.rsthttps://github.com/python/cpython/pull/146002/files/0c50fa41c639b7523f9a09f48928c72ea1f0bbcc#diff-95fcad33a6c5aff12e0b25ca68d69a4e4eb625406cc3515a44bd5eab02ff4009
Please reload this pagehttps://github.com/python/cpython/pull/146002
https://github.com/StanFromIreland
Update Misc/NEWS.d/next/Security/2026-03-14-17-31-39.gh-issue-145986.…https://github.com/python/cpython/pull/146002/commits/d013b14aec4fce7d4619a8fb4fbdb241d529456e
d013b14https://github.com/python/cpython/pull/146002/commits/d013b14aec4fce7d4619a8fb4fbdb241d529456e
https://github.com/StanFromIreland
StanFromIrelandhttps://github.com/StanFromIreland
🔨 test-with-buildbots https://github.com/python/cpython/issues?q=state%3Aopen%20label%3A%22%3Ahammer%3A%20test-with-buildbots%22
Mar 15, 2026https://github.com/python/cpython/pull/146002#event-23589542207
https://github.com/bedevere-bot
bedevere-bothttps://github.com/bedevere-bot
Mar 15, 2026https://github.com/python/cpython/pull/146002#issuecomment-4064117490
@StanFromIrelandhttps://github.com/StanFromIreland
d013b14https://github.com/python/cpython/commit/d013b14aec4fce7d4619a8fb4fbdb241d529456e
https://buildbot.python.org/all/#/grid?branch=refs%2Fpull%2F146002%2Fmergehttps://buildbot.python.org/all/#/grid?branch=refs%2Fpull%2F146002%2Fmerge
Please reload this pagehttps://github.com/python/cpython/pull/146002
https://github.com/bedevere-bot
bedevere-bothttps://github.com/bedevere-bot
🔨 test-with-buildbots https://github.com/python/cpython/issues?q=state%3Aopen%20label%3A%22%3Ahammer%3A%20test-with-buildbots%22
Mar 15, 2026https://github.com/python/cpython/pull/146002#event-23589542878
https://github.com/StanFromIreland
StanFromIrelandhttps://github.com/StanFromIreland
pablogsalhttps://github.com/pablogsal
Apr 8, 2026https://github.com/python/cpython/pull/146002#event-24287727971
https://github.com/StanFromIreland
Merge branch '3.10' into backport-e5caf45-3.10https://github.com/python/cpython/pull/146002/commits/136e870608afb80860616b4a4c932f2953c71e3d
136e870https://github.com/python/cpython/pull/146002/commits/136e870608afb80860616b4a4c932f2953c71e3d
https://github.com/pablogsal
pablogsalhttps://github.com/pablogsal
af856a7https://github.com/python/cpython/commit/af856a7177326ac25d9f66cc6dd28b554d914fee
Apr 8, 2026https://github.com/python/cpython/pull/146002#event-24291472033
Please reload this pagehttps://github.com/python/cpython/pull/146002
https://github.com/apps/bedevere-app
bedevere-apphttps://github.com/apps/bedevere-app
awaiting review https://github.com/python/cpython/issues?q=state%3Aopen%20label%3A%22awaiting%20review%22
Apr 8, 2026https://github.com/python/cpython/pull/146002#event-24291473838
https://github.com/StanFromIreland
StanFromIrelandhttps://github.com/StanFromIreland
April 8, 2026 10:29https://github.com/python/cpython/pull/146002#event-24291516100
icanhasmathhttps://github.com/icanhasmath
Oct 28, 2026 https://github.com/python/cpython/pull/146002#ref-commit-446494f
https://github.com/StanFromIreland
https://github.com/picnixz
https://github.com/icanhasmath
[3.10]https://github.com/ActiveState/cpython/commit/446494ffaa16324436e558024bdcea3ef725dd63
pythongh-145986https://github.com/python/cpython/issues/145986
: Avoid unbound C recursion in `conv_content_mo…https://github.com/ActiveState/cpython/commit/446494ffaa16324436e558024bdcea3ef725dd63
446494fhttps://github.com/ActiveState/cpython/commit/446494ffaa16324436e558024bdcea3ef725dd63
pythonGH-145987https://github.com/python/cpython/pull/145987
python#146002https://github.com/python/cpython/pull/146002
pythongh-145986https://github.com/python/cpython/issues/145986
pythonGH-145987https://github.com/python/cpython/pull/145987
CVE-2026-4224https://github.com/advisories/GHSA-h46w-ffvp-4pw5
eb0e8behttps://github.com/ActiveState/cpython/commit/eb0e8be3a7e11b87d198a2c3af1ed0eccf532768
e5caf45https://github.com/ActiveState/cpython/commit/e5caf45faac74b0ed869e3336420cffd3510ce6e
af856a7https://github.com/ActiveState/cpython/commit/af856a7177326ac25d9f66cc6dd28b554d914fee
https://github.co/hiddenchars
https://github.com/python/cpython/pull/{{ revealButtonHref }}
Sign up for freehttps://github.com/join?source=comment-repo
Sign in to commenthttps://github.com/login?return_to=https%3A%2F%2Fgithub.com%2Fpython%2Fcpython%2Fpull%2F146002
Please reload this pagehttps://github.com/python/cpython/pull/146002
https://github.com/pablogsal
pablogsal https://github.com/pablogsal
Please reload this pagehttps://github.com/python/cpython/pull/146002
https://github.com/StanFromIreland
https://github.com/bedevere-bot
https://github.com/pablogsal
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.