Branch: refs/heads/maint-5.40
  Home:   https://github.com/Perl/perl5
  Commit: 84be063eb88c5b1dd26cb4c418b94d39e60b7049
      
https://github.com/Perl/perl5/commit/84be063eb88c5b1dd26cb4c418b94d39e60b7049
  Author: Leon Timmermans <faw...@gmail.com>
  Date:   2025-05-31 (Sat, 31 May 2025)

  Changed paths:
    M Configure
    M Cross/config.sh-arm-linux
    M Cross/config.sh-arm-linux-n770
    M Porting/Glossary
    M Porting/config.sh
    M config_h.SH
    M configure.com
    M plan9/config_sh.sample
    M sv.c
    M t/op/threads-dirh.t
    M win32/config.gc
    M win32/config.vc

  Log Message:
  -----------
  CVE-2025-40909: Clone dirhandles without fchdir

This uses fdopendir and dup to dirhandles. This means it won't change
working directory during thread cloning, which prevents race conditions
that can happen if a third thread is active at the same time.

(cherry picked from commit 918bfff86ca8d6d4e4ec5b30994451e0bd74aba9)



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