From: Zdenek Dohnal <zdohnal@redhat.com>
Date: Mon, 29 Jul 2019 08:33:06 +0000 (+0200)
Subject: SIGSEGV in CUPS web ui when adding a printer
X-Git-Tag: v2.3.1~42^2
X-Git-Url: http://git.ipfire.org/?p=thirdparty%2Fcups.git;a=commitdiff_plain;h=eda46e3aac94d42e4199d95befe99ff83afb098f;ds=sidebyside

SIGSEGV in CUPS web ui when adding a printer
---

diff --git a/cgi-bin/var.c b/cgi-bin/var.c
index 306375bd6..fb9d051c0 100644
--- a/cgi-bin/var.c
+++ b/cgi-bin/var.c
@@ -170,6 +170,9 @@ cgiGetArray(const char *name,		/* I - Name of array variable */
   if (element < 0 || element >= var->nvalues)
     return (NULL);
 
+  if (var->values[element] == NULL)
+    return (NULL);
+
   return (strdup(var->values[element]));
 }