Commit: patch 9.2.0528: possible overflow in XIM resource handling

[Christian Brabandt]

patch 9.2.0528: possible overflow in XIM resource handling

Commit: https://github.com/vim/vim/commit/31c739458acc397ea3684d4504e6036846f2a708
Author: Christian Brabandt <c...@256bit.org>
Date: Sun May 24 16:47:27 2026 +0000

patch 9.2.0528: possible overflow in XIM resource handling

Problem: possible overflow in XIM resource handling
(Venukamatchi)
Solution: use vim_strncpy() with the buffer size

Signed-off-by: Christian Brabandt <c...@256bit.org>

diff --git a/src/gui_xim.c b/src/gui_xim.c
index ec4620f38..a04667e2d 100644
--- a/src/gui_xim.c
+++ b/src/gui_xim.c
@@ -1750,7 +1750,8 @@ xim_real_init(Window x11_window, Display *x11_display)

if (gui.rsrc_input_method != NULL && *gui.rsrc_input_method != NUL)
{
- strcpy(tmp, gui.rsrc_input_method);
+ vim_strncpy((char_u *)tmp, (char_u *)gui.rsrc_input_method,
+ sizeof(tmp) - 1);
for (ns = s = tmp; ns != NULL && *s != NUL;)
{
s = (char *)skipwhite((char_u *)s);
@@ -1817,7 +1818,8 @@ xim_real_init(Window x11_window, Display *x11_display)
}

found = False;
- strcpy(tmp, gui.rsrc_preedit_type_name);
+ vim_strncpy((char_u *)tmp, (char_u *)gui.rsrc_preedit_type_name,
+ sizeof(tmp) - 1);
for (s = tmp; s && !found; )
{
while (*s && SAFE_isspace(*s))
diff --git a/src/version.c b/src/version.c
index 708cd1746..19dbebbdb 100644
--- a/src/version.c
+++ b/src/version.c
@@ -729,6 +729,8 @@ static char *(features[]) =

static int included_patches[] =
{ /* Add new patch number below this line */
+/**/
+ 528,
/**/
527,
/**/