gh-144872: fix heap buffer overflow#144807

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AdamKorcz wants to merge 5 commits intopython:mainfrom

AdamKorcz:oss-fuzz-fix-1

Commits on Feb 13, 2026

oss-fuzz-451112368: fix found crash

Adam
authored and
Adam
committed

Commits on Feb 14, 2026

Add a regression test for oss-fuzz-451112368

gpshead
and
claude
committed

Commits on Feb 16, 2026