From: Tobias Geerinckx-Rice <me@tobias.gr>
Date: Thu, 28 Feb 2019 20:29:00 +0100
Subject: [PATCH] netpbm: Fix CVE-2017-2587.

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-2017-2587.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 13:49:38.319029371 +0100
@@ -771,12 +771,17 @@ createCanvas(unsigned int const width,
 
     MALLOCVAR_NOFAIL(canvasP);
 
-    canvasP->width  = width;
-    canvasP->height = height;
-    canvasP->pixels = ppm_allocarray(width, height);
-    canvasP->maxval = maxval;
+    if(canvasP != NULL){
+        canvasP->width  = width;
+        canvasP->height = height;
+        canvasP->pixels = ppm_allocarray(width, height);
+        canvasP->maxval = maxval;
+
+        *canvasPP = canvasP;
+    } else {
+       pm_error("can't allocate memory for canvas");
+    }
 
-    *canvasPP = canvasP;
 }
 
 
ummary</a><a href='/guix/refs/?id=9c3f1c5759cc841bc255e5a5b3f5844851976ea7'>refs</a><a class='active' href='/guix/log/etc/substitutes'>log</a><a href='/guix/tree/etc/substitutes?id=9c3f1c5759cc841bc255e5a5b3f5844851976ea7'>tree</a><a href='/guix/commit/etc/substitutes?id=9c3f1c5759cc841bc255e5a5b3f5844851976ea7'>commit</a><a href='/guix/diff/etc/substitutes?id=9c3f1c5759cc841bc255e5a5b3f5844851976ea7'>diff</a></td><td class='form'><form class='right' method='get' action='/guix/log/etc/substitutes'>
<input type='hidden' name='id' value='9c3f1c5759cc841bc255e5a5b3f5844851976ea7'/><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=9c3f1c5759cc841bc255e5a5b3f5844851976ea7'>root</a>/<a href='/guix/log/etc?id=9c3f1c5759cc841bc255e5a5b3f5844851976ea7'>etc</a>/<a href='/guix/log/etc/substitutes?id=9c3f1c5759cc841bc255e5a5b3f5844851976ea7'>substitutes</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/etc/substitutes?id=9c3f1c5759cc841bc255e5a5b3f5844851976ea7&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2021-06-07 11:31:17 +0100'>2021-06-07</span></td><td><a href='/guix/commit/etc/substitutes?id=26499816a973b3aab9aaf8e13b909d0bde4e2dd5'>etc: Add "bordeaux.guix.gnu.org.pub" public key file.</a><span class='msg-avail'>...<span class='msg-tooltip'>* etc/substitutes/bordeaux.guix.gnu.org.pub: New file.
* Makefile.am (dist_pkgdata_DATA): Add it.
* guix/self.scm (miscellaneous-files): Add
"share/guix/bordeaux.guix.gnu.org.pub".
</span></span></td><td>Christopher Baines</td></tr>
<tr><td><span title='2020-07-10 00:11:00 +0200'>2020-07-10</span></td><td><a href='/guix/commit/etc/substitutes?id=d283bb960f927dd5f7bb8b96bc697221e4e8ad39'>maint: Remove traces of "berlin.guixsd.org".</a><span class='msg-avail'>...<span class='msg-tooltip'>The guixsd.org domain is no longer advertised since before in 1.0.0
release in May 2019.

* etc/substitutes/berlin.guixsd.org.pub: Rename to...
* etc/substitutes/berlin.guix.gnu.org.pub: ... this.
* etc/substitutes/ci.guix.gnu.org.pub,
etc/substitutes/ci.guix.info.pub: Adjust accordingly.
* gnu/services/base.scm (%default-authorized-guix-keys): Likewise.
* guix/build/download-nar.scm (urls-for-item): Likewise.
* guix/self.scm (miscellaneous-files): Likewise.
* Makefile.am (dist_pkgdata_DATA): Likewise.
</span></span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2019-06-29 14:27:22 +0200'>2019-06-29</span></td><td><a href='/guix/commit/etc/substitutes?id=3a8bfebed94ba295432da8304b7ffb4a611ef761'>etc: Remove hydra.gnu.org.pub key.</a><span class='msg-avail'>...<span class='msg-tooltip'>* etc/substitutes/hydra.gnu.org.pub: Delete file.
* guix/self.scm (miscellaneous-files): Don't install it.
* Makefile.am (dist_pkgdata_DATA): Remove it.
* gnu/services/base.scm (%default-authorized-guix-keys): Likewise.
(hydra-key-authorization): Rename to…
(substitute-key-authorization): …this.  Adjust only call site.
</span></span></td><td>Tobias Geerinckx-Rice</td></tr>
<tr><td><span title='2019-05-01 11:05:47 +0200'>2019-05-01</span></td><td><a href='/guix/commit/etc/substitutes?id=757e633d57a7b994759d69e41dd759a39f1a34ae'>build: Change default substitute server to "ci.guix.gnu.org".</a><span class='msg-avail'>...<span class='msg-tooltip'>* config-daemon.ac: Replace "ci.guix.info" with "ci.guix.gnu.org".
* doc/guix.texi (SUBSTITUTE-SERVER): Likewise.
* etc/substitutes/ci.guix.gnu.org.pub: New file.
* Makefile.am (dist_pkgdata_DATA): Add it.
* guix/scripts/build.scm (%default-log-urls): Update.
* guix/scripts/substitute.scm (%default-substitute-urls): Likewise.
* guix/store.scm (%default-substitute-urls): Likewise.
* guix/self.scm (miscellaneous-files): Add "ci.guix.gnu.org".
</span></span></td><td>Ludovic Courtès</td></tr>