https://sources.debian.org/data/main/p/plib/1.8.5-8/debian/patches/05_CVE-2012-4552.diff

diff -up plib-1.8.5/src/ssg/ssgParser.cxx~ plib-1.8.5/src/ssg/ssgParser.cxx
--- plib-1.8.5/src/ssg/ssgParser.cxx~	2008-03-11 03:06:23.000000000 +0100
+++ plib-1.8.5/src/ssg/ssgParser.cxx	2012-11-01 15:33:12.424483374 +0100
@@ -57,18 +57,16 @@ void _ssgParser::error( const char *form
   char msgbuff[ 255 ];
   va_list argp;
 
-  char* msgptr = msgbuff;
-  if (linenum)
-  {
-    msgptr += sprintf ( msgptr,"%s, line %d: ",
-      path, linenum );
-  }
-
   va_start( argp, format );
-  vsprintf( msgptr, format, argp );
+  vsnprintf( msgbuff, sizeof(msgbuff), format, argp );
   va_end( argp );
 
-  ulSetError ( UL_WARNING, "%s", msgbuff ) ;
+  if (linenum)
+  {
+    ulSetError ( UL_WARNING, "%s, line %d: %s", path, linenum, msgbuff ) ;
+  } else {
+    ulSetError ( UL_WARNING, "%s", msgbuff ) ;
+  }
 }
 
 
@@ -78,18 +76,16 @@ void _ssgParser::message( const char *fo
   char msgbuff[ 255 ];
   va_list argp;
 
-  char* msgptr = msgbuff;
-  if (linenum)
-  {
-    msgptr += sprintf ( msgptr,"%s, line %d: ",
-      path, linenum );
-  }
-
   va_start( argp, format );
-  vsprintf( msgptr, format, argp );
+  vsnprintf( msgbuff, sizeof(msgbuff), format, argp );
   va_end( argp );
 
-  ulSetError ( UL_DEBUG, "%s", msgbuff ) ;
+  if (linenum)
+  {
+    ulSetError ( UL_DEBUG, "%s, line %d: %s", path, linenum, msgbuff ) ;
+  } else {
+    ulSetError ( UL_DEBUG, "%s", msgbuff ) ;
+  }
 }
 
 // Opens the file and does a few internal calculations based on the spec.
method='get' action='/guix/log/gnu/packages/lsof.scm'>
<input type='hidden' name='id' value='8a613f9d4ed4941eef915e98f462c56f883aba2a'/><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=8a613f9d4ed4941eef915e98f462c56f883aba2a'>root</a>/<a href='/guix/log/gnu?id=8a613f9d4ed4941eef915e98f462c56f883aba2a'>gnu</a>/<a href='/guix/log/gnu/packages?id=8a613f9d4ed4941eef915e98f462c56f883aba2a'>packages</a>/<a href='/guix/log/gnu/packages/lsof.scm?id=8a613f9d4ed4941eef915e98f462c56f883aba2a'>lsof.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/packages/lsof.scm?id=8a613f9d4ed4941eef915e98f462c56f883aba2a&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2020-11-23 05:44:11 +0100'>2020-11-23</span></td><td><a href='/guix/commit/gnu/packages/lsof.scm?id=f942c09b663c3a48a1ae22ae96b69aabc323fd31'>gnu: lsof: Cross-compile.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/lsof.scm (lsof)[arguments]: Use CC-FOR-TARGET.
</span></span></td><td>Tobias Geerinckx-Rice</td></tr>
<tr><td><span title='2020-11-23 05:44:10 +0100'>2020-11-23</span></td><td><a href='/guix/commit/gnu/packages/lsof.scm?id=2bf502138c9c8cad945866061772fe0e1f4b7175'>gnu: lsof: Make test failures fatal.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/lsof.scm (lsof)[source]: Add patch to make test suite
failures stop the build.
* gnu/packages/patches/lsof-fatal-test-failures.patch: New file.
* gnu/local.mk (dist_patch_DATA): Add it.
</span></span></td><td>Tobias Geerinckx-Rice</td></tr>
<tr><td><span title='2020-11-23 05:44:10 +0100'>2020-11-23</span></td><td><a href='/guix/commit/gnu/packages/lsof.scm?id=70303d073a4f9e9d9fdfa309c6fc350e80b63a60'>gnu: lsof: Respect #:tests?.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/lsof.scm (lsof)[arguments]: The 'check phase takes and
respects a TESTS? keyword.
</span></span></td><td>Tobias Geerinckx-Rice</td></tr>
<tr><td><span title='2020-11-23 05:44:10 +0100'>2020-11-23</span></td><td><a href='/guix/commit/gnu/packages/lsof.scm?id=518b21e058f9ccf23257a2afe1bbace280c5fe1d'>gnu: lsof: Update to 4.94.0.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/lsof.scm (lsof): Update to 4.94.0.
[source]: Switch to new git upstream.
[native-inputs]: Add groff.
[arguments]: Remove custom 'unpack phase.  Add a 'build-man-page phase.
Remove the upstreamed glibc@2.28 test fix.
</span></span></td><td>Tobias Geerinckx-Rice</td></tr>
<tr><td><span title='2020-07-16 20:12:05 +0200'>2020-07-16</span></td><td><a href='/guix/commit/gnu/packages/lsof.scm?id=3720a6f847d5c4bcbbb14953dd19462cad894b8e'>gnu: lsof: Use HTTPS home page.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/lsof.scm (lsof)[home-page]: Use HTTPS.
</span></span></td><td>Tobias Geerinckx-Rice</td></tr>