This patch addresses two heap overflow bugs in raptor2:

http://seclists.org/oss-sec/2017/q2/424

Patch copied from libreoffice:

https://github.com/LibreOffice/core/blob/master/external/redland/raptor/0001-Calcualte-max-nspace-declarations-correctly-for-XML-.patch.1

From 590681e546cd9aa18d57dc2ea1858cb734a3863f Mon Sep 17 00:00:00 2001
From: Dave Beckett <dave@dajobe.org>
Date: Sun, 16 Apr 2017 23:15:12 +0100
Subject: [PATCH] Calcualte max nspace declarations correctly for XML writer

(raptor_xml_writer_start_element_common): Calculate max including for
each attribute a potential name and value.

Fixes Issues #0000617 http://bugs.librdf.org/mantis/view.php?id=617
and #0000618 http://bugs.librdf.org/mantis/view.php?id=618
---
 src/raptor_xml_writer.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/src/raptor_xml_writer.c b/src/raptor_xml_writer.c
index 693b946..0d3a36a 100644
--- a/src/raptor_xml_writer.c
+++ b/src/raptor_xml_writer.c
@@ -181,9 +181,10 @@ raptor_xml_writer_start_element_common(raptor_xml_writer* xml_writer,
   size_t nspace_declarations_count = 0;  
   unsigned int i;
 
-  /* max is 1 per element and 1 for each attribute + size of declared */
   if(nstack) {
-    int nspace_max_count = element->attribute_count+1;
+    int nspace_max_count = element->attribute_count * 2; /* attr and value */
+    if(element->name->nspace)
+      nspace_max_count++;
     if(element->declared_nspaces)
       nspace_max_count += raptor_sequence_size(element->declared_nspaces);
     if(element->xml_language)
@@ -237,7 +238,7 @@ raptor_xml_writer_start_element_common(raptor_xml_writer* xml_writer,
         }
       }
 
-      /* Add the attribute + value */
+      /* Add the attribute's value */
       nspace_declarations[nspace_declarations_count].declaration=
         raptor_qname_format_as_xml(element->attributes[i],
                                    &nspace_declarations[nspace_declarations_count].length);
-- 
2.9.3

arch'/>
</form>
</td></tr></table>
<div class='path'>path: <a href='/guix/log/?id=072b06f2f3751b493c8401b666a71618f3e937e6'>root</a>/<a href='/guix/log/gnu?id=072b06f2f3751b493c8401b666a71618f3e937e6'>gnu</a>/<a href='/guix/log/gnu/tests?id=072b06f2f3751b493c8401b666a71618f3e937e6'>tests</a>/<a href='/guix/log/gnu/tests/security.scm?id=072b06f2f3751b493c8401b666a71618f3e937e6'>security.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/tests/security.scm?id=072b06f2f3751b493c8401b666a71618f3e937e6&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2024-01-12 17:26:24 +0100'>2024-01-12</span></td><td><a href='/guix/commit/gnu/tests/security.scm?id=0d7e40473b1054b23307e5362e9f4b1ef2766f5b'>tests: security: Fix fail2ban-extension-test.</a><span class='msg-avail'>...<span class='msg-tooltip'>The openssh-service-type requires 'networking to be setup.  So add a
static-networking-service-type that provides it.

* gnu/tests/security.scm
(run-fail2ban-extension-test)[simple-operating-system]: Add
static-networking-service-type service.

Change-Id: I8d736cbf3fcaa54f86fbd60c52b3595b647731e2
Signed-off-by: Mathieu Othacehe &lt;othacehe@gnu.org&gt;
</span></span></td><td>Tomas Volf</td></tr>
<tr><td><span title='2022-08-28 21:46:30 -0400'>2022-08-28</span></td><td><a href='/guix/commit/gnu/tests/security.scm?id=3c2d2b453832167df02f4aa25de4857a003fbecf'>gnu: security: Add fail2ban-service-type.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/services/security.scm: New module.
* gnu/tests/security.scm: New module.
* gnu/local.mk: Add new security module and tests.
* doc/guix.text: Add fail2ban-service-type documentation.

Signed-off-by: Maxim Cournoyer &lt;maxim.cournoyer@gmail.com&gt;
</span></span></td><td>muradm</td></tr>