From: Tobias Geerinckx-Rice <me@tobias.gr>
Date: Thu, 28 Feb 2019 20:29:00 +0100
Subject: [PATCH] netpbm: Fix CVE-2017-2586.

Copied verbatim from Debian[0].

[0]: https://sources.debian.org/data/main/n/netpbm-free/2:10.78.05-0.1/debian/patches/netpbm-CVE-2017-2586.patch

---
diff -urNp old/converter/other/svgtopam.c new/converter/other/svgtopam.c
--- old/converter/other/svgtopam.c	2017-02-08 12:11:02.593690917 +0100
+++ new/converter/other/svgtopam.c	2017-02-08 12:13:05.192846469 +0100
@@ -676,7 +676,7 @@ stringToUint(const char *   const string
 
     /* TODO: move this to nstring.c */
 
-    if (strlen(string) == 0)
+    if (string == NULL || strlen(string) == 0)
         pm_asprintf(errorP, "Value is a null string");
     else {
         char * tailptr;
o</option>
<option value='koszko-scripts'>koszko-scripts</option>
</select> <input type='submit' value='switch'/></form></td></tr>
<tr><td class='sub'>Wojtek's customized Guix</td><td class='sub right'></td></tr></table>
<table class='tabs'><tr><td>
<a href='/guix/about/'>about</a><a href='/guix/'>summary</a><a href='/guix/refs/?id=8f99f824d22626750221a47d528442b06f1e7a7c'>refs</a><a class='active' href='/guix/log/doc/htmlxref.cnf'>log</a><a href='/guix/tree/doc/htmlxref.cnf?id=8f99f824d22626750221a47d528442b06f1e7a7c'>tree</a><a href='/guix/commit/doc/htmlxref.cnf?id=8f99f824d22626750221a47d528442b06f1e7a7c'>commit</a><a href='/guix/diff/doc/htmlxref.cnf?id=8f99f824d22626750221a47d528442b06f1e7a7c'>diff</a></td><td class='form'><form class='right' method='get' action='/guix/log/doc/htmlxref.cnf'>
<input type='hidden' name='id' value='8f99f824d22626750221a47d528442b06f1e7a7c'/><select name='qt'>
<option value='grep'>log msg</option>
<option value='author'>author</option>
<option value='committer'>committer</option>
<option value='range'>range</option>
</select>
<input class='txt' type='search' size='10' name='q' value=''/>
<input type='submit' value='search'/>
</form>
</td></tr></table>
<div class='path'>path: <a href='/guix/log/?id=8f99f824d22626750221a47d528442b06f1e7a7c'>root</a>/<a href='/guix/log/doc?id=8f99f824d22626750221a47d528442b06f1e7a7c'>doc</a>/<a href='/guix/log/doc/htmlxref.cnf?id=8f99f824d22626750221a47d528442b06f1e7a7c'>htmlxref.cnf</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/doc/htmlxref.cnf?id=8f99f824d22626750221a47d528442b06f1e7a7c&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2022-12-18 16:01:32 +0100'>2022-12-18</span></td><td><a href='/guix/commit/doc/htmlxref.cnf?id=8e2f32cee982d42a79e53fc1e9aa7b8ff0514714'>doc: Update URLs for the manual and cookbook translations.</a><span class='msg-avail'>...<span class='msg-tooltip'>* doc/htmlxref.cnf: Update URLs for "guix" and "guix-cookbook".
</span></span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2022-12-18 15:53:43 +0100'>2022-12-18</span></td><td><a href='/guix/commit/doc/htmlxref.cnf?id=b77b4c7c3a5ac180f5aed0983be50ffbe6832f87'>doc: Add guile-netlink to 'htmlxref.cnf'.</a><span class='msg-avail'>...<span class='msg-tooltip'>* doc/htmlxref.cnf: Add guile-netlink.
</span></span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2022-08-05 00:14:29 +0200'>2022-08-05</span></td><td><a href='/guix/commit/doc/htmlxref.cnf?id=f9a267c6d266355b48bd12288f4414eaf4db8b33'>doc: Fix Guix manual URLs in 'htmlxref.cnf'.</a><span class='msg-avail'>...<span class='msg-tooltip'>Fixes a regression introduced in
868da34d54365023223a4ff7520043ba55ad64e8.

* doc/htmlxref.cnf (GUIX): Remove "/guix".
</span></span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2022-06-16 21:52:49 -0400'>2022-06-16</span></td><td><a href='/guix/commit/doc/htmlxref.cnf?id=ec7a75034421654d2ece2ba20033b44d345547f0'>doc: Remove obsolete comment from htmlxref.cnf.</a><span class='msg-avail'>...<span class='msg-tooltip'>This is follow up to &lt;https://issues.guix.gnu.org/55290&gt;.

* doc/htmlxref.cnf (geiser): Delete obsolete comment.
</span></span></td><td>Maxim Cournoyer</td></tr>
<tr><td><span title='2022-04-08 19:59:25 +0200'>2022-04-08</span></td><td><a href='/guix/commit/doc/htmlxref.cnf?id=868da34d54365023223a4ff7520043ba55ad64e8'>doc: Fix cookbook URLs in htmlxref.cnf.</a><span class='msg-avail'>...<span class='msg-tooltip'>Reported by Greg Hogan &lt;code@greghogan.com&gt;.

* doc/htmlxref.cnf (GUIX_ROOT): New variable.
(GUIX, GUIX_COOKBOOK): Adjust.
</span></span></td><td>Ludovic Courtès</td></tr>