Skip to content

Navigation Menu

Appearance settings

View all features
- BY COMPANY SIZE
  Enterprises
  Small and medium teams
  Startups
  Nonprofits
- BY USE CASE
  App Modernization
  DevSecOps
  DevOps
  CI/CD
  View all use cases
- BY INDUSTRY
  Healthcare
  Financial services
  Manufacturing
  Government
  View all industries
View all solutions
- EXPLORE BY TOPIC
  AI
  Software Development
  DevOps
  Security
  View all topics
- EXPLORE BY TYPE
  Customer stories
  Events & webinars
  Ebooks & reports
  Business insights
  GitHub Skills
- SUPPORT & SERVICES
  Documentation
  Customer support
  Community forum
  Trust center
  Partners
View all resources
- COMMUNITY
  GitHub SponsorsFund open source developers
- PROGRAMS
  Security Lab
  Maintainer Community
  Accelerator
  GitHub Stars
  Archive Program
- REPOSITORIES
  Topics
  Trending
  Collections
- ENTERPRISE SOLUTIONS
  Enterprise platformAI-powered developer platform
- AVAILABLE ADD-ONS
  GitHub Advanced SecurityEnterprise-grade security features
  Copilot for BusinessEnterprise-grade AI features
  Premium SupportEnterprise-grade 24/7 support
Pricing

Search code, repositories, users, issues, pull requests...

Search

Clear

Search syntax tips

Provide feedback

We read every piece of feedback, and take your input very seriously.

Include my email address so I can be contacted

Saved searches

Use saved searches to filter your results more quickly

Name

Query

To see all available qualifiers, see our documentation.

Appearance settings

You signed in with another tab or window. Reload to refresh your session. You signed out in another tab or window. Reload to refresh your session. You switched accounts on another tab or window. Reload to refresh your session.

Dismiss alert

python / cpython Public

Notifications You must be signed in to change notification settings
Fork 34.4k
Star 72.3k

Code
Issues 5k+
Pull requests 2.2k
Actions
Projects
Security and quality
Insights

Additional navigation options

Code
Issues
Pull requests
Actions
Projects
Security and quality
Insights

gh-142831: Fix UAF in `_json` module#142851

Merged

gpshead merged 25 commits intopython:mainpython/cpython:mainfrom

ashm-dev:jsonashm-dev/cpython:jsonCopy head branch name to clipboard

Apr 12, 2026

Conversation Commits25 (25)Checks Files changed

Merged

gh-142831: Fix UAF in `_json` module#142851
gpshead merged 25 commits intopython:mainfrom
ashm-dev:json

Commits

Commits on Dec 17, 2025

gh-142831: Fix UAF in `_json` module
ashm-dev
committed
add news
ashm-dev
committed

Commits on Dec 18, 2025

add test
ashm-dev
committed
fix comments
ashm-dev
committed
Merge branch 'main' into json
ashm-dev
authored
fix test
ashm-dev
committed

Commits on Dec 19, 2025

Merge branch 'main' into json
kumaraditya303
authored
clean up test
kumaraditya303
committed
Merge branch 'json' of https://github.com/ashm-dev/cpython into pr/ashm-dev/142851
kumaraditya303
committed
Revert "clean up test"
kumaraditya303
committed
Merge branch 'main' into json
ashm-dev
authored

Commits on Jan 19, 2026

Remove outdated comment about Py_INCREF in JSON encoder
ashm-dev
committed
Move test_mutate_items_during_encode to test_speedups.py
ashm-dev
committed
Merge branch 'main' into json
ashm-dev
authored
fix lint error
ashm-dev
committed

Commits on Mar 11, 2026

Address review: remove redundant comments, use nonlocal, add list mutation test
ashm-dev
committed
Merge branch 'main' into json
ashm-dev
authored
Revert "Address review: remove redundant comments, use nonlocal, add list mutation test"
ashm-dev
committed
Address review: use nonlocal, add gc_collect, add list mutation test
ashm-dev
committed
Remove redundant comments per review
ashm-dev
committed

Commits on Apr 11, 2026

Merge remote-tracking branch 'origin/main' into json
gpshead
committed
Move NEWS entry from Core_and_Builtins to Library
gpshead
committed
Add comments explaining why Py_INCREF is needed in iteration functions
gpshead
committed
Improve test assertions and robustness for UAF tests
gpshead
committed
Simplify borrowed-ref comments to focus on the why
gpshead
committed

Footer

© 2026 GitHub, Inc.

Footer navigation

Terms
Privacy
Security
Status
Community
Docs
Contact

You can’t perform that action at this time.