From eaaf5ba90cb9efe62b9186c60f093f8b9390f260 Mon Sep 17 00:00:00 2001
From: ManoloFLTK <41016272+ManoloFLTK@users.noreply.github.com>
Date: Tue, 31 Jan 2023 17:37:20 +0100
Subject: Fix crash in Zenity filechooser with badly formed filter (#665)

---
 src/Fl_Native_File_Chooser_Kdialog.cxx | 1 +
 1 file changed, 1 insertion(+)

(limited to 'src')

diff --git a/src/Fl_Native_File_Chooser_Kdialog.cxx b/src/Fl_Native_File_Chooser_Kdialog.cxx
index a89a74abc..cab64b217 100644
--- a/src/Fl_Native_File_Chooser_Kdialog.cxx
+++ b/src/Fl_Native_File_Chooser_Kdialog.cxx
@@ -205,6 +205,7 @@ char *Fl_Kdialog_Native_File_Chooser_Driver::parse_filter(const char *f) {
   const char *r = strchr(f, '{');
   char *developed = NULL;
   if (r) { // with {}
+    if (r <= p) return NULL;
     char *lead = new char[r-p];
     memcpy(lead, p+1, (r-p)-1); lead[(r-p)-1] = 0;
     const char *r2 = strchr(r, '}');
-- 
cgit v1.2.3