Mercurial > vim
view runtime/plugin/manpager.vim @ 34105:c4ad4778946c v9.1.0017
patch 9.1.0017: [security]: use-after-free in eval1_emsg()
Commit: https://github.com/vim/vim/commit/28d71b566a29ceea3a2d05bcee9264ed5d630d42
Author: Yegappan Lakshmanan <yegappan@yahoo.com>
Date: Fri Jan 12 17:21:55 2024 +0100
patch 9.1.0017: [security]: use-after-free in eval1_emsg()
Problem: use-after-free in eval1_emsg() when an empty
line follows a lambda (by @yu3s)
Solution: only set evalarg->eval_using_cmdline = FALSE when
the *arg pointer is not null
fixes: #13833
closes: #13841
Signed-off-by: Yegappan Lakshmanan <yegappan@yahoo.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
author | Christian Brabandt <cb@256bit.org> |
---|---|
date | Fri, 12 Jan 2024 17:30:06 +0100 |
parents | a57db996dbe3 |
children |
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" Vim plugin for using Vim as manpager. " Maintainer: Enno Nagel <ennonagel+vim@gmail.com> " Last Change: 2022 Oct 17 if exists('g:loaded_manpager_plugin') finish endif let g:loaded_manpager_plugin = 1 " Set up the current buffer (likely read from stdin) as a manpage command MANPAGER call s:ManPager() function s:ManPager() " global options, keep these to a minimum to avoid side effects if &compatible set nocompatible endif if exists('+viminfofile') set viminfofile=NONE endif syntax on " Make this an unlisted, readonly scratch buffer setlocal buftype=nofile noswapfile bufhidden=hide nobuflisted readonly " Ensure text width matches window width setlocal foldcolumn& nofoldenable nonumber norelativenumber " In case Vim was invoked with -M setlocal modifiable " Emulate 'col -b' exe 'silent! keepj keepp %s/\v(.)\b\ze\1?//e' .. (&gdefault ? '' : 'g') " Remove ansi sequences exe 'silent! keepj keepp %s/\v\e\[%(%(\d;)?\d{1,2})?[mK]//e' .. (&gdefault ? '' : 'g') " Remove empty lines above the header call cursor(1, 1) let n = search(".*(.*)", "c") if n > 1 exe "1," . n-1 . "d" endif " Finished preprocessing the buffer, prevent any further modifications setlocal nomodified nomodifiable " Set filetype to man even if ftplugin is disabled setlocal filetype=man runtime ftplugin/man.vim endfunction