new file mode 100644
@@ -0,0 +1,248 @@
+From b2cc9be119d51212bf0d3f2a994c7e517c73f4a9 Mon Sep 17 00:00:00 2001
+From: Christian Brabandt <cb@256bit.org>
+Date: Sat, 20 Jun 2026 15:35:58 +0000
+Subject: [PATCH] patch 9.2.0678: [security]: potential powershell code
+ execution in zip.vim
+
+Problem: [security]: potential powershell code execution in zip.vim
+ (DDugs)
+Solution: Cleanup zip.vim, introduce PSEscape() to escape() potential powershell code,
+ use consistent s:Escape() in the various PowerShell functions
+
+Github Security Advisory:
+https://github.com/vim/vim/security/advisories/GHSA-x5fg-h5w9-9frf
+
+Signed-off-by: Christian Brabandt <cb@256bit.org>
+
+Upstream-Status: Backport [https://github.com/vim/vim/commit/b2cc9be119d51212bf0d3f2a994c7e517c73f4a9]
+CVE: CVE-2026-57453
+Signed-off-by: Vijay Anusuri <vanusuri@mvista.com>
+---
+ runtime/autoload/zip.vim | 78 +++++++++++++++++++---------------------
+ runtime/doc/pi_zip.txt | 10 ------
+ 2 files changed, 36 insertions(+), 52 deletions(-)
+
+diff --git a/runtime/autoload/zip.vim b/runtime/autoload/zip.vim
+index f4482fd7fc..752503a626 100644
+--- a/runtime/autoload/zip.vim
++++ b/runtime/autoload/zip.vim
+@@ -22,6 +22,7 @@
+ " 2026 Mar 08 by Vim Project: Make ZipUpdatePS() check for powershell
+ " 2026 Apr 01 by Vim Project: Detect more path traversal attacks
+ " 2026 Apr 05 by Vim Project: Detect more path traversal attacks
++" 2026 Jun 20 by Vim Project: Fix wrong escaping for the powershell calls
+ " License: Vim License (see vim's :help license)
+ " Copyright: Copyright (C) 2005-2019 Charles E. Campbell {{{1
+ " Permission is hereby granted to use and distribute this code,
+@@ -49,15 +50,6 @@ let s:NOTE = 0
+
+ " ---------------------------------------------------------------------
+ " Global Values: {{{1
+-if !exists("g:zip_shq")
+- if &shq != ""
+- let g:zip_shq= &shq
+- elseif has("unix")
+- let g:zip_shq= "'"
+- else
+- let g:zip_shq= '"'
+- endif
+-endif
+ if !exists("g:zip_zipcmd")
+ let g:zip_zipcmd= "zip"
+ endif
+@@ -133,7 +125,7 @@ function! s:ZipBrowsePS(zipfile)
+ " Browse the contents of a zip file using PowerShell's
+ " Equivalent `unzip -Z1 -- zipfile`
+ let cmds = [
+- \ '$zip = [System.IO.Compression.ZipFile]::OpenRead(' . s:Escape(a:zipfile, 1) . ');',
++ \ '$zip = [System.IO.Compression.ZipFile]::OpenRead(' . s:PSEscape(a:zipfile) . ');',
+ \ '$zip.Entries | ForEach-Object { $_.FullName };',
+ \ '$zip.Dispose()'
+ \ ]
+@@ -147,16 +139,16 @@ function! s:ZipReadPS(zipfile, fname, tempfile)
+ call s:Mess('WarningMsg', "***warning*** PowerShell can display, but cannot update, files in archive subfolders")
+ endif
+ let cmds = [
+- \ '$zip = [System.IO.Compression.ZipFile]::OpenRead(' . s:Escape(a:zipfile, 1) . ');',
+- \ '$fileEntry = $zip.Entries | Where-Object { $_.FullName -eq ' . s:Escape(a:fname, 1) . ' };',
++ \ '$zip = [System.IO.Compression.ZipFile]::OpenRead(' . s:PSEscape(a:zipfile) . ');',
++ \ '$fileEntry = $zip.Entries | Where-Object { $_.FullName -eq ' . s:PSEscape(a:fname) . ' };',
+ \ '$stream = $fileEntry.Open();',
+- \ '$fileStream = [System.IO.File]::Create(' . s:Escape(a:tempfile, 1) . ');',
++ \ '$fileStream = [System.IO.File]::Create(' . s:PSEscape(a:tempfile) . ');',
+ \ '$stream.CopyTo($fileStream);',
+ \ '$fileStream.Close();',
+ \ '$stream.Close();',
+ \ '$zip.Dispose()'
+ \ ]
+- return 'pwsh -NoProfile -Command ' . s:Escape(join(cmds, ' '), 1)
++ return 'pwsh -NoProfile -Command ' . s:Escape(join(cmds, ' '))
+ endfunction
+
+ function! s:ZipUpdatePS(zipfile, fname)
+@@ -166,7 +158,7 @@ function! s:ZipUpdatePS(zipfile, fname)
+ call s:Mess('Error', "***error*** PowerShell cannot update files in archive subfolders")
+ return ':'
+ endif
+- return 'Compress-Archive -Path ' . a:fname . ' -Update -DestinationPath ' . a:zipfile
++ return 'Compress-Archive -Path ' . s:PSEscape(a:fname) . ' -Update -DestinationPath ' . s:PSEscape(a:zipfile)
+ endfunction
+
+ function! s:ZipExtractFilePS(zipfile, fname)
+@@ -177,16 +169,16 @@ function! s:ZipExtractFilePS(zipfile, fname)
+ return ':'
+ endif
+ let cmds = [
+- \ '$zip = [System.IO.Compression.ZipFile]::OpenRead(' . s:Escape(a:zipfile, 1) . ');',
+- \ '$fileEntry = $zip.Entries | Where-Object { $_.FullName -eq ' . a:fname . ' };',
++ \ '$zip = [System.IO.Compression.ZipFile]::OpenRead(' . s:PSEscape(a:zipfile) . ');',
++ \ '$fileEntry = $zip.Entries | Where-Object { $_.FullName -eq ' . s:PSEscape(a:fname) . ' };',
+ \ '$stream = $fileEntry.Open();',
+- \ '$fileStream = [System.IO.File]::Create(' . a:fname . ');',
++ \ '$fileStream = [System.IO.File]::Create(' . s:PSEscape(a:fname) . ');',
+ \ '$stream.CopyTo($fileStream);',
+ \ '$fileStream.Close();',
+ \ '$stream.Close();',
+ \ '$zip.Dispose()'
+ \ ]
+- return 'pwsh -NoProfile -Command ' . s:Escape(join(cmds, ' '), 1)
++ return 'pwsh -NoProfile -Command ' . s:Escape(join(cmds, ' '))
+ endfunction
+
+ function! s:ZipDeleteFilePS(zipfile, fname)
+@@ -194,12 +186,12 @@ function! s:ZipDeleteFilePS(zipfile, fname)
+ " Equivalent to `zip -d zipfile fname`
+ let cmds = [
+ \ 'Add-Type -AssemblyName System.IO.Compression.FileSystem;',
+- \ '$zip = [System.IO.Compression.ZipFile]::Open(' . s:Escape(a:zipfile, 1) . ', ''Update'');',
+- \ '$entry = $zip.Entries | Where-Object { $_.Name -eq ' . s:Escape(a:fname, 1) . ' };',
++ \ '$zip = [System.IO.Compression.ZipFile]::Open(' . s:PSEscape(a:zipfile) . ', ''Update'');',
++ \ '$entry = $zip.Entries | Where-Object { $_.Name -eq ' . s:PSEscape(a:fname) . ' };',
+ \ 'if ($entry) { $entry.Delete(); $zip.Dispose() }',
+ \ 'else { $zip.Dispose() }'
+ \ ]
+- return 'pwsh -NoProfile -Command ' . s:Escape(join(cmds, ' '), 1)
++ return 'pwsh -NoProfile -Command ' . s:Escape(join(cmds, ' '))
+ endfunction
+
+ " ----------------
+@@ -339,9 +331,9 @@ fun! zip#Read(fname,mode)
+ let temp = tempname()
+ let fn = expand('%:p')
+
+- let gnu_cmd = g:zip_unzipcmd . ' -p -- ' . s:Escape(zipfile, 0) . ' ' . s:Escape(fname, 0) . ' > ' . s:Escape(temp, 0)
+- let gnu_cmd = 'call system(''' . substitute(gnu_cmd, "'", "''", 'g') . ''')'
+- let ps_cmd = 'sil !' . s:ZipReadPS(zipfile, fname, temp)
++ let gnu_cmd = g:zip_unzipcmd . ' -p -- ' . s:Escape(zipfile) . ' ' . s:Escape(fname) . ' > ' . s:Escape(temp)
++ let gnu_cmd = 'call system(' . string(gnu_cmd) . ')'
++ let ps_cmd = $"call system({string(s:ZipDeleteFilePS(zipfile, fname))})"
+ call s:TryExecGnuFallBackToPs(g:zip_unzipcmd, gnu_cmd, ps_cmd)
+
+ sil exe 'keepalt file '.temp
+@@ -408,9 +400,9 @@ fun! zip#Write(fname)
+ " TODO: what to check on MS-Windows to avoid writing absolute paths?
+ endif
+ if fname =~ '^[.]\{1,2}/'
+- let gnu_cmd = g:zip_zipcmd . ' -d ' . s:Escape(fnamemodify(zipfile,":p"),0) . ' ' . s:Escape(fname,0)
+- let gnu_cmd = 'call system(''' . substitute(gnu_cmd, "'", "''", 'g') . ''')'
+- let ps_cmd = $"call system({s:Escape(s:ZipDeleteFilePS(zipfile, fname), 1)})"
++ let gnu_cmd = g:zip_zipcmd . ' -d ' . s:Escape(fnamemodify(zipfile,":p")) . ' ' . s:Escape(fname)
++ let gnu_cmd = 'call system(' . string(gnu_cmd) . ')'
++ let ps_cmd = $"call system({string(s:ZipDeleteFilePS(zipfile, fname))})"
+ call s:TryExecGnuFallBackToPs(g:zip_zipcmd, gnu_cmd, ps_cmd)
+ let fname = fname->substitute('^\([.]\{1,2}/\)\+', '', 'g')
+ let need_rename = 1
+@@ -419,7 +411,7 @@ fun! zip#Write(fname)
+ if fname =~ '/'
+ let dirpath = substitute(fname,'/[^/]\+$','','e')
+ if has("win32unix") && executable("cygpath")
+- let dirpath = substitute(system("cygpath ".s:Escape(dirpath,0)),'\n','','e')
++ let dirpath = substitute(system("cygpath ".s:Escape(dirpath)),'\n','','e')
+ endif
+ call mkdir(dirpath,"p")
+ endif
+@@ -430,16 +422,17 @@ fun! zip#Write(fname)
+ " don't overwrite files forcefully
+ exe "w ".fnameescape(fname)
+ if has("win32unix") && executable("cygpath")
+- let zipfile = substitute(system("cygpath ".s:Escape(zipfile,0)),'\n','','e')
++ let zipfile = substitute(system("cygpath ".s:Escape(zipfile)),'\n','','e')
+ endif
+
+ if (has("win32") || has("win95") || has("win64") || has("win16")) && &shell !~? 'sh$'
+ let fname = substitute(fname, '[', '[[]', 'g')
+ endif
+
+- let gnu_cmd = g:zip_zipcmd . ' -u '. s:Escape(fnamemodify(zipfile,":p"),0) . ' ' . s:Escape(fname,0)
++ let gnu_cmd = g:zip_zipcmd . ' -u '. s:Escape(fnamemodify(zipfile,":p")) . ' ' . s:Escape(fname)
+ let gnu_cmd = 'call system(''' . substitute(gnu_cmd, "'", "''", 'g') . ''')'
+- let ps_cmd = s:ZipUpdatePS(s:Escape(fnamemodify(zipfile, ':p'), 0), s:Escape(fname, 0))
++ let zip = fnamemodify(zipfile, ':p')
++ let ps_cmd = s:ZipUpdatePS(zip, fname)
+ let ps_cmd = 'call system(''' . substitute(ps_cmd, "'", "''", 'g') . ''')'
+ call s:TryExecGnuFallBackToPs(g:zip_zipcmd, gnu_cmd, ps_cmd)
+ if &shell =~ 'pwsh'
+@@ -522,8 +515,8 @@ fun! zip#Extract()
+
+ " extract the file mentioned under the cursor
+ let gnu_cmd = g:zip_extractcmd . ' -o '. shellescape(b:zipfile) . ' ' . target
+- let gnu_cmd = 'call system(''' . substitute(gnu_cmd, "'", "''", 'g') . ''')'
+- let ps_cmd = $"call system({s:Escape(s:ZipExtractFilePS(b:zipfile, target), 1)})"
++ let gnu_cmd = 'call system(' . string(gnu_cmd) . ')'
++ let ps_cmd = 'call system(' . string(s:ZipExtractFilePS(b:zipfile, fname)) . ')'
+ call s:TryExecGnuFallBackToPs(g:zip_extractcmd, gnu_cmd, ps_cmd)
+
+ if v:shell_error != 0
+@@ -537,19 +530,20 @@ endfun
+
+ " ---------------------------------------------------------------------
+ " s:Escape: {{{2
+-fun! s:Escape(fname,isfilt)
+- if exists("*shellescape")
+- if a:isfilt
+- let qnameq= shellescape(a:fname,1)
+- else
+- let qnameq= shellescape(a:fname)
+- endif
++fun! s:Escape(fname, isfilt = 0)
++ if a:isfilt
++ let qnameq = shellescape(a:fname, 1)
+ else
+- let qnameq= g:zip_shq.escape(a:fname,g:zip_shq).g:zip_shq
++ let qnameq = shellescape(a:fname)
+ endif
+ return qnameq
+ endfun
+
++" s:PSEscape: Escape a string for Powershell, shellescape() does not work here {{{2
++fun! s:PSEscape(str)
++ return "'" .. substitute(a:str, "'", "''", 'g') .. "'"
++endfun
++
+ " ---------------------------------------------------------------------
+ " s:ChgDir: {{{2
+ fun! s:ChgDir(newdir,errlvl,errmsg)
+diff --git a/runtime/doc/pi_zip.txt b/runtime/doc/pi_zip.txt
+index e9294b4059..b1800dfcc5 100644
+--- a/runtime/doc/pi_zip.txt
++++ b/runtime/doc/pi_zip.txt
+@@ -48,16 +48,6 @@ Copyright: Copyright (C) 2005-2015 Charles E Campbell *zip-copyright*
+ If this variable exists and is true, the file window will not be
+ automatically maximized when opened.
+
+- *g:zip_shq*
+- Different operating systems may use one or more shells to execute
+- commands. Zip will try to guess the correct quoting mechanism to
+- allow spaces and whatnot in filenames; however, if it is incorrectly
+- guessing the quote to use for your setup, you may use >
+- g:zip_shq
+-< which by default is a single quote under Unix (') and a double quote
+- under Windows ("). If you'd rather have no quotes, simply set
+- g:zip_shq to the empty string (let g:zip_shq= "") in your <.vimrc>.
+-
+ *g:zip_unzipcmd*
+ Use this option to specify the program which does the duty of "unzip".
+ It's used during browsing. By default: >
+--
+2.43.0
+
@@ -25,6 +25,7 @@ SRC_URI = "git://github.com/vim/vim.git;branch=master;protocol=https;tag=v${PV}
file://CVE-2026-52860.patch \
file://CVE-2026-55693.patch \
file://CVE-2026-55895.patch \
+ file://CVE-2026-57453.patch \
"
PV .= ".0340"
Pick patch per [1]. [1] https://nvd.nist.gov/vuln/detail/CVE-2026-57453 [2] https://github.com/vim/vim/security/advisories/GHSA-x5fg-h5w9-9frf Signed-off-by: Vijay Anusuri <vanusuri@mvista.com> --- .../vim/files/CVE-2026-57453.patch | 248 ++++++++++++++++++ meta/recipes-support/vim/vim.inc | 1 + 2 files changed, 249 insertions(+) create mode 100644 meta/recipes-support/vim/files/CVE-2026-57453.patch