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;
his.form.submit();'>
<option value='koszko' selected='selected'>koszko</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>
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<a href='/guix/about/'>about</a><a href='/guix/'>summary</a><a href='/guix/refs/?id=7f44ab48f902e713ece5c5a0ae68519577a2344e'>refs</a><a class='active' href='/guix/log/gnu/services/games.scm?showmsg=1'>log</a><a href='/guix/tree/gnu/services/games.scm?id=7f44ab48f902e713ece5c5a0ae68519577a2344e'>tree</a><a href='/guix/commit/gnu/services/games.scm?id=7f44ab48f902e713ece5c5a0ae68519577a2344e'>commit</a><a href='/guix/diff/gnu/services/games.scm?id=7f44ab48f902e713ece5c5a0ae68519577a2344e'>diff</a></td><td class='form'><form class='right' method='get' action='/guix/log/gnu/services/games.scm'>
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<div class='path'>path: <a href='/guix/log/?id=7f44ab48f902e713ece5c5a0ae68519577a2344e&amp;showmsg=1'>root</a>/<a href='/guix/log/gnu?id=7f44ab48f902e713ece5c5a0ae68519577a2344e&amp;showmsg=1'>gnu</a>/<a href='/guix/log/gnu/services?id=7f44ab48f902e713ece5c5a0ae68519577a2344e&amp;showmsg=1'>services</a>/<a href='/guix/log/gnu/services/games.scm?id=7f44ab48f902e713ece5c5a0ae68519577a2344e&amp;showmsg=1'>games.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/gnu/services/games.scm?id=7f44ab48f902e713ece5c5a0ae68519577a2344e'>Collapse</a>)</th><th class='left'>Author</th></tr>
<tr class='logheader'><td><span title='2018-11-20 22:40:44 +0530'>2018-11-20</span></td><td class='logsubject'><a href='/guix/commit/gnu/services/games.scm?id=662e2285f502b65600b0b5a12c040d050be8999d'>services: wesnothd: Run as wesnothd user and group.</a></td><td>Arun Isaac</td></tr>
<tr class='nohover-highlight'><td/><td colspan='3' class='logmsg'>
* gnu/services/games.scm (wesnothd-shepherd-service): Run as wesnothd user and
group.


</td></tr>
<tr class='logheader'><td><span title='2018-05-14 20:15:28 +0530'>2018-05-14</span></td><td class='logsubject'><a href='/guix/commit/gnu/services/games.scm?id=f93c7a89797667db073b1ddbb0fbbea41f16bf33'>gnu: services: Fix wesnothd-configuration? symbol export.</a></td><td>Arun Isaac</td></tr>
<tr class='nohover-highlight'><td/><td colspan='3' class='logmsg'>
* gnu/services/games.scm: Export wesnothd-configuration?, not the
non-existent wesnoth-configuration?.


</td></tr>
<tr class='logheader'><td><span title='2018-02-09 14:55:17 +0530'>2018-02-09</span></td><td class='logsubject'><a href='/guix/commit/gnu/services/games.scm?id=a76acfd3f5ea6cced10af5a191d057f29b87f277'>gnu: services: Add wesnothd service.</a></td><td>Arun Isaac</td></tr>
<tr class='nohover-highlight'><td/><td colspan='3' class='logmsg'>
* gnu/services/games.scm: New file.
* gnu/local.mk (GNU_SYSTEM_MODULES): Add it.
* doc/guix.texi (Game Services): Document the service.


</td></tr>