Commit: patch 9.2.0056: memory leak in ex_substitute

[Christian Brabandt]

patch 9.2.0056: memory leak in ex_substitute

Commit: https://github.com/vim/vim/commit/6a239a1905ea26eeb8f39604ab98ff374b2e0cd5
Author: Huihui Huang <625...@qq.com>
Date: Wed Feb 25 20:10:07 2026 +0000

patch 9.2.0056: memory leak in ex_substitute

Problem: memory leak in ex_substitute
Solution: Free the variable (Huihui Huang)

fixes: #19501
closes: #19506

Signed-off-by: Huihui Huang <625...@qq.com>
Signed-off-by: Hirohito Higashi <h.eas...@gmail.com>
Signed-off-by: Christian Brabandt <c...@256bit.org>

diff --git a/src/ex_cmds.c b/src/ex_cmds.c
index b56ee268b..08ff73160 100644
--- a/src/ex_cmds.c
+++ b/src/ex_cmds.c
@@ -4130,8 +4130,11 @@ ex_substitute(exarg_T *eap)
vim_free(old_sub);
old_sub = vim_strsave(sub);
if (old_sub == NULL)
+ {
// out of memory
+ vim_free(sub);
return;
+ }
}
}
}
diff --git a/src/version.c b/src/version.c
index 40e00fc2b..af8e5e13e 100644
--- a/src/version.c
+++ b/src/version.c
@@ -734,6 +734,8 @@ static char *(features[]) =

static int included_patches[] =
{ /* Add new patch number below this line */
+/**/
+ 56,
/**/
55,
/**/