diff options
Diffstat (limited to 'debian/patches/CVE-2021-4192.patch')
| -rw-r--r-- | debian/patches/CVE-2021-4192.patch | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/debian/patches/CVE-2021-4192.patch b/debian/patches/CVE-2021-4192.patch new file mode 100644 index 0000000..eccc96b --- /dev/null +++ b/debian/patches/CVE-2021-4192.patch @@ -0,0 +1,51 @@ +From: Markus Koschany <apo@debian.org> +Date: Wed, 19 Oct 2022 20:01:41 +0200 +Subject: CVE-2021-4192 + +Origin: https://github.com/vim/vim/commit/4c13e5e6763c6eb36a343a2b8235ea227202e952 +--- + src/regexp.c | 9 +++++++-- + src/testdir/test_regexp_latin.vim | 8 ++++++++ + 2 files changed, 15 insertions(+), 2 deletions(-) + +--- a/src/regexp.c ++++ b/src/regexp.c +@@ -4112,9 +4112,9 @@ reg_match_visual(void) + if (lnum < top.lnum || lnum > bot.lnum) + return FALSE; + ++ col = (colnr_T)(rex.input - rex.line); + if (mode == 'v') + { +- col = (colnr_T)(rex.input - rex.line); + if ((lnum == top.lnum && col < top.col) + || (lnum == bot.lnum && col >= bot.col + (*p_sel != 'e'))) + return FALSE; +@@ -4129,7 +4129,12 @@ reg_match_visual(void) + end = end2; + if (top.col == MAXCOL || bot.col == MAXCOL) + end = MAXCOL; +- cols = win_linetabsize(wp, rex.line, (colnr_T)(rex.input - rex.line)); ++ ++ // getvvcol() flushes rex.line, need to get it again ++ rex.line = reg_getline(rex.lnum); ++ rex.input = rex.line + col; ++ ++ cols = win_linetabsize(wp, rex.line, col); + if (cols < start || cols > end - (*p_sel == 'e')) + return FALSE; + } +--- a/src/testdir/test_regexp_latin.vim ++++ b/src/testdir/test_regexp_latin.vim +@@ -93,3 +93,11 @@ func Test_using_mark_position() + bwipe! + endfunc + ++func Test_using_visual_position() ++ " this was using freed memory ++ new ++ exe "norm 0o\<Esc>\<C-V>k\<C-X>o0" ++ /\%V ++ bwipe! ++endfunc ++ |