diff -Nru procps-3.3.3/debian/changelog procps-3.3.3/debian/changelog
--- procps-3.3.3/debian/changelog	2013-10-16 23:48:39.000000000 -0500
+++ procps-3.3.3/debian/changelog	2013-10-28 10:31:42.000000000 -0500
@@ -1,3 +1,13 @@
+procps (1:3.3.3-2ubuntu5.3) raring; urgency=low
+
+  * Avoid SEGV if file2str should read zero bytes. This is a backport of
+    526bc5df from upstream.  When utility buffers were introduced for file2str
+    read requests, a subtle change was inadvertently introduced such that a
+    read of zero no longer returns a -1 value. This returns to the behavior to
+    returning -1 on zero byte reads. (LP: #1242746)
+
+ -- Dave Chiluk <chiluk@canonical.com>  Mon, 28 Oct 2013 10:30:50 -0500
+
 procps (1:3.3.3-2ubuntu5.2) raring; urgency=low
 
   * ignore_eaccess.patch: If we get eaccess when opening a sysctl file for
diff -Nru procps-3.3.3/debian/patches/series procps-3.3.3/debian/patches/series
--- procps-3.3.3/debian/patches/series	2013-10-16 23:48:20.000000000 -0500
+++ procps-3.3.3/debian/patches/series	2013-10-28 10:30:28.000000000 -0500
@@ -4,3 +4,4 @@
 uptime_test
 dynamic_file2str.patch
 ignore_eaccess.patch
+zeroreadsegv.patch
diff -Nru procps-3.3.3/debian/patches/zeroreadsegv.patch procps-3.3.3/debian/patches/zeroreadsegv.patch
--- procps-3.3.3/debian/patches/zeroreadsegv.patch	1969-12-31 18:00:00.000000000 -0600
+++ procps-3.3.3/debian/patches/zeroreadsegv.patch	2013-10-28 10:30:28.000000000 -0500
@@ -0,0 +1,23 @@
+Description: avoid SEGV if file2str should read zero bytes
+ avoid SEGV if file2str should read zero bytes. This is a backport of 526bc5df
+ from upstream.  When utility buffers were introduced for file2str read
+ requests, a subtle change was inadvertently introduced such that a read of 
+ zero no longer returns a -1 value. This returns to the behavior to returning 
+ -1 on zero byte reads. 
+
+Author: Dave Chiluk <chiluk@canonical.com>
+Bug-Ubuntu: https://bugs.launchpad.net/bugs/1242746
+Origin: upstream https://www.gitorious.org/procps/procps/commit/526bc5dfa924177e68be0123bd67e3370955f924
+
+Index: procps-3.3.3/proc/readproc.c
+===================================================================
+--- procps-3.3.3.orig/proc/readproc.c	2013-10-28 10:19:21.000000000 -0500
++++ procps-3.3.3/proc/readproc.c	2013-10-28 10:22:51.571809077 -0500
+@@ -548,6 +548,7 @@
+     };
+     ub->buf[tot_read] = '\0';
+     close(fd);
++    if (unlikely(tot_read < 1)) return -1;
+     return tot_read;
+  #undef buffGRW
+ }