patch 9.0.2106: [security]: Use-after-free in win_close() Commit: https://github.com/vim/vim/commit/25aabc2b8ee1e19ced6f4da9d866cf9378fc4c5a Author: Christian Brabandt <cb@256bit.org> Date: Tue Nov 14 19:31:34 2023 +0100 patch 9.0.2106: [security]: Use-after-free in win_close() Problem: [security]: Use-after-free in win_close() Solution: Check window is valid, before accessing it If the current window structure is no longer valid (because a previous autocommand has already freed this window), fail and return before attempting to set win->w_closing variable. Add a test to trigger ASAN in CI Signed-off-by: Christian Brabandt <cb@256bit.org>

README_unix.txt for version 9.0 of Vim: Vi IMproved.

This file explains the installation of Vim on Unix systems.
See "README.txt" for general information about Vim.


When you use the source distribution, "make install" is used to install Vim.
See the "INSTALL" file in the "src" directory.

If you use a compiled package, follow the instructions for the package.