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-rw-r--r--src/findfile.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/src/findfile.c b/src/findfile.c
index a72fe45ad..7c2a61f4a 100644
--- a/src/findfile.c
+++ b/src/findfile.c
@@ -578,7 +578,16 @@ vim_findfile_init(
if (p > search_ctx->ffsc_fix_path)
{
+ // do not add '..' to the path and start upwards searching
len = (int)(p - search_ctx->ffsc_fix_path) - 1;
+ if ((len >= 2
+ && STRNCMP(search_ctx->ffsc_fix_path, "..", 2) == 0)
+ && (len == 2
+ || search_ctx->ffsc_fix_path[2] == PATHSEP))
+ {
+ vim_free(buf);
+ goto error_return;
+ }
STRNCAT(ff_expand_buffer, search_ctx->ffsc_fix_path, len);
add_pathsep(ff_expand_buffer);
}