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GH-159101: Fix UAF when tp_finalize changes the base class - #159888

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sergey-miryanov wants to merge 5 commits into

python:mainfrom

sergey-miryanov:bug/159101-uaf-after-finalize

Open

GH-159101: Fix UAF when tp_finalize changes the base class#159888
sergey-miryanov wants to merge 5 commits into
python:mainfrom
sergey-miryanov:bug/159101-uaf-after-finalize

Commits on Oct 18, 2026
- Set GC_FINALIZED before calling tp_finalize
  sergey-miryanov
  committed
  4041aae
Commits on Oct 20, 2026
- Re-extract the type of self after calling tp_finalize
  sergey-miryanov
  committed
  e0e5535
- Add news
  sergey-miryanov
  committed
  7a24d33
- Update Misc/NEWS.d/next/Core_and_Builtins/2026-10-20-20-38-38.gh-issue-159101.vFwrZY.rst
  
  sergey-miryanov
  and
  ZeroIntensity
  authored
  5dfc9ea
Commits on Oct 26, 2026
- Merge branch 'main' into bug/159101-uaf-after-finalize
  sergey-miryanov
  authored
  cafc48a