patch 9.0.2143: [security]: buffer-overflow in ex_substitute Commit: https://github.com/vim/vim/commit/abfa13ebe92d81aaf66669c428d767847b577453 Author: Christian Brabandt <cb@256bit.org> Date: Thu Nov 30 11:32:18 2023 +0100 patch 9.0.2143: [security]: buffer-overflow in ex_substitute Problem: [security]: buffer-overflow in ex_substitute Solution: clear memory after allocating When allocating the new_start pointer in ex_substitute() the memory pointer points to some garbage that the following for loop in ex_cmds.c:4743 confuses and causes it to accessing the new_start pointer beyond it's size, leading to a buffer-overlow. So fix this by using alloc_clear() instead of alloc(), which will clear the memory by NUL and therefore cause the loop to terminate correctly. Reported by @henices, thanks! closes: #13596 Signed-off-by: Christian Brabandt <cb@256bit.org>

" Vim compiler file
" Compiler:	csslint for CSS
" Maintainer: Daniel Moch <daniel@danielmoch.com>
" Last Change: 2016 May 21

if exists("current_compiler")
  finish
endif
let current_compiler = "csslint"

if exists(":CompilerSet") != 2		" older Vim always used :setlocal
  command -nargs=* CompilerSet setlocal <args>
endif

CompilerSet makeprg=csslint\ --format=compact
CompilerSet errorformat=%-G,%-G%f:\ lint\ free!,%f:\ line\ %l\\,\ col\ %c\\,\ %trror\ -\ %m,%f:\ line\ %l\\,\ col\ %c\\,\ %tarning\ -\ %m,%f:\ line\ %l\\,\ col\ %c\\,\ %m