[OE-core][wrynose 17/38] vim: Fix for CVE-2026-73078
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From: Yoann Congal <hidden>
Date: 2026-09-09 07:30:12
Subsystem:
the rest · Maintainer:
Linus Torvalds
From: Hitendra Prajapati <redacted> Pick the patch from [1], also referenced in the NVD report [2]. [1] https://github.com/vim/vim/commit/29c6fd090d4520592f8be7d9ec81190edf25ef69 [2] https://nvd.nist.gov/vuln/detail/CVE-2026-73078 Signed-off-by: Hitendra Prajapati <redacted> Signed-off-by: Yoann Congal <redacted> --- .../vim/files/CVE-2026-73078.patch | 94 +++++++++++++++++++ meta/recipes-support/vim/vim.inc | 1 + 2 files changed, 95 insertions(+) create mode 100644 meta/recipes-support/vim/files/CVE-2026-73078.patch
diff --git a/meta/recipes-support/vim/files/CVE-2026-73078.patch b/meta/recipes-support/vim/files/CVE-2026-73078.patch
new file mode 100644
index 00000000000..62d156f5680
--- /dev/null
+++ b/meta/recipes-support/vim/files/CVE-2026-73078.patch@@ -0,0 +1,94 @@ +From 29c6fd090d4520592f8be7d9ec81190edf25ef69 Mon Sep 17 00:00:00 2001 +From: Yasuhiro Matsumoto <mattn.jp@gmail.com> +Date: Mon, 6 Jul 2026 13:54:03 +0900 +Subject: [PATCH] patch 9.2.0840: [security]: code injection in netrw via + bookmarks + +Problem: [security]: code injection in netrw via bookmarks and history + (David Carliez) +Solution: Escape the '|' explicitly (Yasuhiro Matsumoto) + +The bookmark and history menu builders interpolate paths into :execute'd +:menu commands using g:netrw_menu_escape, which did not escape the Ex +command separator '|'. A crafted path could break out of the :menu command +and run arbitrary Ex/shell commands when the menu was built or triggered. + +Add '|' to g:netrw_menu_escape for the menu names, escape the :e right-hand +side with fnameescape(), and quote the netrw#MakeTgt() argument with +string() instead of raw single-quote interpolation. + +Github Security Advisory: +https://github.com/vim/vim/security/advisories/GHSA-rcr7-f3wr-22r2 + +Signed-off-by: Yasuhiro Matsumoto <mattn.jp@gmail.com> +Signed-off-by: Christian Brabandt <cb@256bit.org> + +CVE: CVE-2026-73078 +Upstream-Status: Backport [https://github.com/vim/vim/commit/29c6fd090d4520592f8be7d9ec81190edf25ef69] +Signed-off-by: Hitendra Prajapati <hprajapati@mvista.com> +--- + runtime/pack/dist/opt/netrw/autoload/netrw.vim | 16 +++++++++------- + 1 file changed, 9 insertions(+), 7 deletions(-) + +diff --git a/runtime/pack/dist/opt/netrw/autoload/netrw.vim b/runtime/pack/dist/opt/netrw/autoload/netrw.vim +index d7eca30e45..c240bbd13f 100644 +--- a/runtime/pack/dist/opt/netrw/autoload/netrw.vim ++++ b/runtime/pack/dist/opt/netrw/autoload/netrw.vim +@@ -398,7 +398,7 @@ if has("win32") + else + call s:NetrwInit("g:netrw_glob_escape",'*[]?`{~$\') + endif +-call s:NetrwInit("g:netrw_menu_escape",'.&? \') ++call s:NetrwInit("g:netrw_menu_escape",'.&? \|') + call s:NetrwInit("s:netrw_map_escape","<|\n\r\\\<C-V>\"") + if has("gui_running") && (&enc == 'utf-8' || &enc == 'utf-16' || &enc == 'ucs-4') + let s:treedepthstring= "│ " +@@ -3752,13 +3752,14 @@ function s:NetrwBookmarkMenu() + if exists("g:netrw_bookmarklist") && g:netrw_bookmarklist != [] && g:netrw_dirhistmax > 0 + let cnt= 1 + for bmd in g:netrw_bookmarklist +- let bmd= escape(bmd,g:netrw_menu_escape) ++ let ebmd= escape(bmd,g:netrw_menu_escape) ++ let fbmd= escape(fnameescape(bmd),'|') + + " show bookmarks for goto menu +- exe 'sil! menu '.g:NetrwMenuPriority.".2.".cnt." ".g:NetrwTopLvlMenu.'Bookmarks.'.bmd.' :e '.bmd."\<cr>" ++ exe 'sil! menu '.g:NetrwMenuPriority.".2.".cnt." ".g:NetrwTopLvlMenu.'Bookmarks.'.ebmd.' :e '.fbmd."\<cr>" + + " show bookmarks for deletion menu +- exe 'sil! menu '.g:NetrwMenuPriority.".8.2.".cnt." ".g:NetrwTopLvlMenu.'Bookmarks\ and\ History.Bookmark\ Delete.'.bmd.' '.cnt."mB" ++ exe 'sil! menu '.g:NetrwMenuPriority.".8.2.".cnt." ".g:NetrwTopLvlMenu.'Bookmarks\ and\ History.Bookmark\ Delete.'.ebmd.' '.cnt."mB" + let cnt= cnt + 1 + endfor + +@@ -3774,7 +3775,8 @@ function s:NetrwBookmarkMenu() + let priority = g:netrw_dirhistcnt + histcnt + if exists("g:netrw_dirhist_{cnt}") + let histdir= escape(g:netrw_dirhist_{cnt},g:netrw_menu_escape) +- exe 'sil! menu '.g:NetrwMenuPriority.".3.".priority." ".g:NetrwTopLvlMenu.'History.'.histdir.' :e '.histdir."\<cr>" ++ let ehistdir= escape(fnameescape(g:netrw_dirhist_{cnt}),'|') ++ exe 'sil! menu '.g:NetrwMenuPriority.".3.".priority." ".g:NetrwTopLvlMenu.'History.'.histdir.' :e '.ehistdir."\<cr>" + endif + let first = 0 + let cnt = ( cnt - 1 ) % g:netrw_dirhistmax +@@ -7119,7 +7121,7 @@ function s:NetrwTgtMenu() + let tgtdict[bmd]= cnt + let ebmd= escape(bmd,g:netrw_menu_escape) + " show bookmarks for goto menu +- exe 'sil! menu <silent> '.g:NetrwMenuPriority.".19.1.".cnt." ".g:NetrwTopLvlMenu.'Targets.'.ebmd." :call netrw#MakeTgt('".bmd."')\<cr>" ++ exe 'sil! menu <silent> '.g:NetrwMenuPriority.".19.1.".cnt." ".g:NetrwTopLvlMenu.'Targets.'.ebmd." :call netrw#MakeTgt(".escape(string(bmd),'|').")\<cr>" + let cnt= cnt + 1 + endfor + endif +@@ -7137,7 +7139,7 @@ function s:NetrwTgtMenu() + endif + let tgtdict[histentry] = histcnt + let ehistentry = escape(histentry,g:netrw_menu_escape) +- exe 'sil! menu <silent> '.g:NetrwMenuPriority.".19.2.".priority." ".g:NetrwTopLvlMenu.'Targets.'.ehistentry." :call netrw#MakeTgt('".histentry."')\<cr>" ++ exe 'sil! menu <silent> '.g:NetrwMenuPriority.".19.2.".priority." ".g:NetrwTopLvlMenu.'Targets.'.ehistentry." :call netrw#MakeTgt(".escape(string(histentry),'|').")\<cr>" + endif + let histcnt = histcnt + 1 + endwhile +-- +2.34.1 +
diff --git a/meta/recipes-support/vim/vim.inc b/meta/recipes-support/vim/vim.inc
index c132444040a..77f681410a9 100644
--- a/meta/recipes-support/vim/vim.inc
+++ b/meta/recipes-support/vim/vim.inc@@ -44,6 +44,7 @@ SRC_URI = "git://github.com/vim/vim.git;branch=master;protocol=https;tag=v${PV} file://CVE-2026-73074.patch \ file://CVE-2026-73076.patch \ file://CVE-2026-73077.patch \ + file://CVE-2026-73078.patch \ " PV .= ".0340"