Python: Security Fix and OpenSSL Updates
Python developers merged a critical pickle module security fix preventing segfaults during concurrent operations, while OpenSSL was upgraded to version 3.5.6 across all platforms.
Duration: PT1M58S
Episode overview
This episode is a short developer briefing from Python.
It explains recent repository work in plain language.
- Show: Python
- Published: 2026-05-17T10:03:56Z
- Audio duration: PT1M58S
Transcript excerpt
This excerpt keeps the crawler page concise. Listen to the episode or use the RSS feed for the full update.
This is Python developer news for May 17th, 2026.
Farhan Saif merged a critical security fix for the pickle module that prevents segmentation faults when dictionaries are modified concurrently during pickling operations. The fix adds critical sections around borrowed reference handling in the `_pickle.c` module's `batch_dict_exact()` function. This change has been…
OpenSSL has been upgraded to version 3.5.6 across all Python platforms. Zachary Ware updated Windows builds, Ned Deily handled macOS installer updates, and Russell Keith-Magee updated mobile platforms including iOS and Android. The CI pipeline has also been updated to use OpenSSL 3.5 for testing.
Mani Salahmand clarified documentation for multiprocessing Process arguments, replacing confusing wording about "unpickleable from within the child process" with clearer guidance that arguments usually need to be pickleable for transmission to child processes.
Savage Mechanic documented the flags argument for the IMAP4.append() method, specifying that it accepts either None or a string of IMAP flag tokens, with examples showing proper formatting.
Serhiy Storchaka restored commented-out test code in the email module's…
Nearby episodes from Python
- Core Fixes and Performance Improvements
- Security Fixes and Import System Updates
- Directory Permissions and Thread Safety Fixes
- Performance Optimizations and Security Fixes
- Weekly Recap - Free-Threading Stability & Platform Compatibility
- Cygwin Compatibility and Security Updates
- Security Updates and Documentation Improvements
- Security Patches and Site Module Fix