diff -Nru python-crypto-2.6.1/debian/changelog python-crypto-2.6.1/debian/changelog
--- python-crypto-2.6.1/debian/changelog	2017-02-15 22:34:08.000000000 +0000
+++ python-crypto-2.6.1/debian/changelog	2017-02-17 15:36:55.000000000 +0000
@@ -1,3 +1,10 @@
+python-crypto (2.6.1-6ubuntu0.16.04.2) xenial-security; urgency=medium
+
+  * Update CVE-2013-7459: Print a warning, rather than raise an exception.
+    Thanks to Sebastian Ramacher. (Closes: #1665598)
+
+ -- Emily Ratliff <emily.ratliff@canonical.com>  Fri, 17 Feb 2017 09:35:46 -0600
+
 python-crypto (2.6.1-6ubuntu0.16.04.1) xenial-security; urgency=medium
 
   * SECURITY UPDATE: throw exception when IV used with ECB or CTR
diff -Nru python-crypto-2.6.1/debian/patches/CVE-2013-7459-regression.patch python-crypto-2.6.1/debian/patches/CVE-2013-7459-regression.patch
--- python-crypto-2.6.1/debian/patches/CVE-2013-7459-regression.patch	1970-01-01 00:00:00.000000000 +0000
+++ python-crypto-2.6.1/debian/patches/CVE-2013-7459-regression.patch	2017-02-17 15:35:31.000000000 +0000
@@ -0,0 +1,29 @@
+Description: Convert errors to future warnings
+Origin: upstream
+Bug-Debian: https://bugs.debian.org/850025
+Bug-Ubuntu: https://launchpad.net/bugs/1665598
+Forwarded: not-needed
+Last-Update: 2017-02-17
+
+--- python-crypto-2.6.1.orig/src/block_template.c
++++ python-crypto-2.6.1/src/block_template.c
+@@ -172,14 +172,14 @@ ALGnew(PyObject *self, PyObject *args, P
+ 	}
+ 	if (IVlen != 0 && mode == MODE_ECB)
+ 	{
+-		PyErr_Format(PyExc_ValueError, "ECB mode does not use IV");
+-		return NULL;
++		PyErr_WarnEx(PyExc_FutureWarning, "ECB mode does not use IV", 1);
++		IVlen = 0;
+ 	}
+ 	if (IVlen != 0 && mode == MODE_CTR)
+ 	{
+-		PyErr_Format(PyExc_ValueError,
+-			"CTR mode needs counter parameter, not IV");
+-		return NULL;
++		PyErr_WarnEx(PyExc_FutureWarning,
++			"CTR mode needs counter parameter, not IV", 1);
++		IVlen = 0;
+ 	}
+ 	if (IVlen != BLOCK_SIZE && mode != MODE_ECB && mode != MODE_CTR)
+ 	{
diff -Nru python-crypto-2.6.1/debian/patches/series python-crypto-2.6.1/debian/patches/series
--- python-crypto-2.6.1/debian/patches/series	2017-02-14 22:05:22.000000000 +0000
+++ python-crypto-2.6.1/debian/patches/series	2017-02-17 15:33:33.000000000 +0000
@@ -10,3 +10,4 @@
 deprecated-test-methods.patch
 asn1-decoding.patch
 CVE-2013-7459.patch
+CVE-2013-7459-regression.patch