diff --git a/mcrypt-CVE-2012-4426.patch b/mcrypt-CVE-2012-4426.patch
new file mode 100644
index 0000000..747f428
--- mcrypt-2.6.8/src/errors.c
+++ mcrypt-2.6.8/src/errors.c
@@ -25,24 +25,24 @@
 
 void err_quit(char *errmsg)
 {
-	fprintf(stderr, errmsg);
+	fprintf(stderr, "%s", errmsg);
 	exit(-1);
 }
 
 void err_warn(char *errmsg)
 {
 	if (quiet <= 1)
-		fprintf(stderr, errmsg);
+		fprintf(stderr, "%s", errmsg);
 }
 
 void err_info(char *errmsg)
 {
 	if (quiet == 0)
-		fprintf(stderr, errmsg);
+		fprintf(stderr, "%s", errmsg);
 }
 
 void err_crit(char *errmsg)
 {
 	if (quiet <= 2)
-		fprintf(stderr, errmsg);
+		fprintf(stderr, "%s", errmsg);
 }

---
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<tr><td><span title='2019-01-16 16:08:22 +0100'>2019-01-16</span></td><td><a href='/guix/commit/gnu/packages/ebook.scm?id=cd0322a3efd96577de9ab35e4432d1ae399257c8'>gnu: Move sqlite to separate module.</a><span class='msg-avail'>...</span></td><td>Ricardo Wurmus</td></tr>
<tr><td><span title='2019-01-15 14:46:44 +0100'>2019-01-15</span></td><td><a href='/guix/commit/gnu/packages/ebook.scm?id=44d10b1f722856ab8e9b942804aa7ef33e2ef739'>gnu: Separate Python core packages from the rest.</a><span class='msg-avail'>...</span></td><td>Ricardo Wurmus</td></tr>
<tr><td><span title='2018-12-08 15:55:54 +0100'>2018-12-08</span></td><td><a href='/guix/commit/gnu/packages/ebook.scm?id=ec60c3a58137ddb3c135999c3e7ccb90d51e3185'>gnu: calibre: Update to 3.35.0.</a><span class='msg-avail'>...</span></td><td>Brendan Tildesley</td></tr>
<tr><td><span title='2018-07-21 19:24:14 +0200'>2018-07-21</span></td><td><a href='/guix/commit/gnu/packages/ebook.scm?id=e4351015ec5c4f74a66aed2e16931cf74c4d5830'>gnu: calibre: Update to 3.28.0.</a><span class='msg-avail'>...</span></td><td>Andreas Enge</td></tr>
<tr><td><span title='2018-02-23 16:00:07 +0100'>2018-02-23</span></td><td><a href='/guix/commit/gnu/packages/ebook.scm?id=8572adb28a27e8324d2a2e54dac0669b43603789'>gnu: calibre: Spell ‘e-book’ consistently.</a><span class='msg-avail'>...</span></td><td>Tobias Geerinckx-Rice</td></tr>
<tr><td><span title='2018-02-23 16:00:07 +0100'>2018-02-23</span></td><td><a href='/guix/commit/gnu/packages/ebook.scm?id=ae16afe92e5564e64767e668b6f0c8ed972e2829'>gnu: calibre: Update to 3.17.0.</a><span class='msg-avail'>...</span></td><td>Tobias Geerinckx-Rice</td></tr>
<tr><td><span title='2017-11-18 12:45:19 +0100'>2017-11-18</span></td><td><a href='/guix/commit/gnu/packages/ebook.scm?id=33dc54b08c5b56fbe87229fe05f5c7de8c6f1179'>gnu: Move date/time packages from python.scm to time.scm.</a><span class='msg-avail'>...</span></td><td>Ricardo Wurmus</td></tr>
<tr><td><span title='2017-11-13 23:41:01 +0100'>2017-11-13</span></td><td><a href='/guix/commit/gnu/packages/ebook.scm?id=1b2f753d9c73a5431ec1f5510449c480debf80ce'>gnu: Move web packages from python to python-web.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2017-11-05 17:24:01 +0100'>2017-11-05</span></td><td><a href='/guix/commit/gnu/packages/ebook.scm?id=743d3f650297f73f328b5ca4d3f5d766482db26b'>gnu: calibre: Install mimetypes.</a><span class='msg-avail'>...</span></td><td>Brendan Tildesley</td></tr>
<tr><td><span title='2017-11-05 17:24:01 +0100'>2017-11-05</span></td><td><a href='/guix/commit/gnu/packages/ebook.scm?id=9132212fb84d2572f0fabf623be6418b87055f98'>gnu: calibre: Add optipng as an input.</a><span class='msg-avail'>...</span></td><td>Brendan Tildesley</td></tr>
<tr><td><span title='2017-11-05 17:24:01 +0100'>2017-11-05</span></td><td><a href='/guix/commit/gnu/packages/ebook.scm?id=bf4a40db3c3af64e8784a0985315921531bbd29e'>gnu: calibre: Add python2-dukpy as an input.</a><span class='msg-avail'>...</span></td><td>Brendan Tildesley</td></tr>
<tr><td><span title='2017-11-05 17:24:01 +0100'>2017-11-05</span></td><td><a href='/guix/commit/gnu/packages/ebook.scm?id=7ed93a6c9eed5020b3ebd8abfbc59a6ec26fbc99'>gnu: calibre: Update to 3.11.1.</a><span class='msg-avail'>...</span></td><td>Brendan Tildesley</td></tr>
<tr><td><span title='2017-09-06 12:42:57 +0200'>2017-09-06</span></td><td><a href='/guix/commit/gnu/packages/ebook.scm?id=026ebc141ff9eb6147c9538f004119193d4cfe49'>gnu: Update calibre to 3.6.0.</a><span class='msg-avail'>...</span></td><td>Roel Janssen</td></tr>