diff -u libgksu-2.0.13~pre1/debian/changelog libgksu-2.0.13~pre1/debian/changelog
--- libgksu-2.0.13~pre1/debian/changelog
+++ libgksu-2.0.13~pre1/debian/changelog
@@ -1,3 +1,11 @@
+libgksu (2.0.13~pre1-1ubuntu4.2~tetet0) lucid; urgency=low
+
+  * debian/patches/29_check-newline.patch:
+    - check if an empty line is really received before
+      ignoring it 
+
+ -- Torsten Spindler (Canonical) <torsten@canonical.com>  Wed, 14 Sep 2011 11:46:48 +0200
+
 libgksu (2.0.13~pre1-1ubuntu4.1) lucid-proposed; urgency=low
 
   * Add 27_sudo_wrong_pwd_check.patch: Be more careful when checking the
only in patch2:
unchanged:
--- libgksu-2.0.13~pre1.orig/debian/patches/29_check_newline.patch
+++ libgksu-2.0.13~pre1/debian/patches/29_check_newline.patch
@@ -0,0 +1,33 @@
+## Description: Checks if buffer contains only newline before discarding it
+## Origin/Author: Torsten Spindler (Canonical)
+## Bug: http://pad.lv/298217
+diff -Nur -x '*.orig' -x '*~' libgksu-2.0.13~pre1//libgksu/libgksu.c libgksu-2.0.13~pre1.new//libgksu/libgksu.c
+--- libgksu-2.0.13~pre1//libgksu/libgksu.c	2011-09-13 09:43:51.723178003 +0200
++++ libgksu-2.0.13~pre1.new//libgksu/libgksu.c	2011-09-13 09:46:16.603182354 +0200
+@@ -2980,16 +2980,22 @@
+ 	  /* ignore the first newline that comes right after sudo receives
+ 	     the password */
+ 	  fgets (buffer, 255, fdfile);
+-	  /* this is the status we are interested in */
+-	  fgets (buffer, 255, fdfile);
++          if (!strcmp (buffer, "\n")) 
++            {
++	      /* this is the status we are interested in */
++	      fgets (buffer, 255, fdfile);
++            }
+ #else
+           fcntl(parent_pipe[0], F_SETFL, fcntl(parent_pipe[0], F_GETFL) & ~O_NONBLOCK);
+ 
+ 	  /* ignore the first newline that comes right after sudo receives
+ 	     the password */
+ 	  fgets (buffer, 255, infile);
+-	  /* this is the status we are interested in */
+-	  fgets (buffer, 255, infile);
++          if (!strcmp (buffer, "\n")) 
++            {
++	      /* this is the status we are interested in */
++	      fgets (buffer, 255, infile);
++            }
+ #endif
+ 	}
+       else