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);
 }

---
566e'/><select name='h' onchange='this.form.submit();'>
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<div class='path'>path: <a href='/guix/log/?id=2cf07434d8ae1751c1dc940ebeb33a586604566e'>root</a>/<a href='/guix/log/tests?id=2cf07434d8ae1751c1dc940ebeb33a586604566e'>tests</a>/<a href='/guix/log/tests/egg.scm?id=2cf07434d8ae1751c1dc940ebeb33a586604566e'>egg.scm</a></div><div class='content'><table class='list nowrap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/guix/log/tests/egg.scm?id=2cf07434d8ae1751c1dc940ebeb33a586604566e&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2021-11-17 23:43:14 +0100'>2021-11-17</span></td><td><a href='/guix/commit/tests/egg.scm?id=3a317f7476f8c6012e166ff9f340f861938721c9'>Merge branch 'master' into core-updates-frozen</a></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2021-11-14 00:10:58 +0100'>2021-11-14</span></td><td><a href='/guix/commit/tests/egg.scm?id=114005bea61efcd5f7d768e2d6503e873f654c16'>tests: Adjust tests/egg.scm to latest API changes.</a><span class='msg-avail'>...<span class='msg-tooltip'>This is a followup to b999c80c2e71bd4b3f26a18a321b7e7e7b580103.

* tests/egg.scm (eval-test-with-egg-file): Pass 'version' argument to
'egg-&gt;guix-package'.
</span></span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2021-07-20 23:43:29 +0200'>2021-07-20</span></td><td><a href='/guix/commit/tests/egg.scm?id=5b6285518be6e4f588f688dadf70eacf4614b797'>import: egg: Emit new-style package inputs.</a><span class='msg-avail'>...<span class='msg-tooltip'>* guix/import/egg.scm (egg-&gt;guix-package): Generate dependency list from
a list of symbols.
[egg-parse-dependency]: Return a list of symbols.
[maybe-inputs]: Wrap INPUTS in 'list' instead of 'quasiquote'.
* tests/egg.scm (match-chicken-foo): Adjust accordingly.

Signed-off-by: Ludovic Courtès &lt;ludo@gnu.org&gt;
</span></span></td><td>Sarah Morgensen</td></tr>
<tr><td><span title='2021-06-03 13:05:18 +0200'>2021-06-03</span></td><td><a href='/guix/commit/tests/egg.scm?id=bdc298ecee15283451d3aa20a849dd7bb22c8538'>import: Add CHICKEN egg importer.</a><span class='msg-avail'>...<span class='msg-tooltip'>* guix/import/egg.scm: New file.
* guix/scripts/import/egg.scm: New file.
* tests/egg.scm: New file.
* Makefile.am (MODULES, SCM_TESTS): Register them.
* po/guix/POTFILES.in: Likewise.
* guix/scripts/import.scm (importers): Add egg importer.
* doc/guix.texi (Invoking guix import, Invoking guix refresh): Document it.

Signed-off-by: Ludovic Courtès &lt;ludo@gnu.org&gt;
</span></span></td><td>Xinglu Chen</td></tr>