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/adns.scm'>
<input type='hidden' name='id' value='49194b85ced890a1290fb8c21e03b4d5e03a1b88'/><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=49194b85ced890a1290fb8c21e03b4d5e03a1b88'>root</a>/<a href='/guix/log/gnu?id=49194b85ced890a1290fb8c21e03b4d5e03a1b88'>gnu</a>/<a href='/guix/log/gnu/packages?id=49194b85ced890a1290fb8c21e03b4d5e03a1b88'>packages</a>/<a href='/guix/log/gnu/packages/adns.scm?id=49194b85ced890a1290fb8c21e03b4d5e03a1b88'>adns.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/adns.scm?id=49194b85ced890a1290fb8c21e03b4d5e03a1b88&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2019-01-15 17:27:34 +0100'>2019-01-15</span></td><td><a href='/guix/commit/gnu/packages/adns.scm?id=e2931e99790aae39ec27f0f2e2d9ac3db5f63f5d'>gnu: Add c-ares-next.</a><span class='msg-avail'>...</span></td><td>Ricardo Wurmus</td></tr>
<tr><td><span title='2018-11-06 12:22:02 +0200'>2018-11-06</span></td><td><a href='/guix/commit/gnu/packages/adns.scm?id=730e5fbc66461e91981898272edd5a3d326e2f9d'>Revert "gnu: c-ares: Update to 1.15.0."</a><span class='msg-avail'>...</span></td><td>Efraim Flashner</td></tr>
<tr><td><span title='2018-11-06 08:32:56 +0200'>2018-11-06</span></td><td><a href='/guix/commit/gnu/packages/adns.scm?id=b588adc96feec4498857ecb6d3537f746b0c0463'>gnu: c-ares: Update to 1.15.0.</a><span class='msg-avail'>...</span></td><td>Efraim Flashner</td></tr>
<tr><td><span title='2018-02-18 13:05:07 +0200'>2018-02-18</span></td><td><a href='/guix/commit/gnu/packages/adns.scm?id=c9b7ed7de9f6f79c0e90bf7b88d61598fd07b958'>gnu: c-ares: Update to 1.14.0.</a><span class='msg-avail'>...</span></td><td>Efraim Flashner</td></tr>
<tr><td><span title='2017-06-20 19:04:06 +0200'>2017-06-20</span></td><td><a href='/guix/commit/gnu/packages/adns.scm?id=4afd813711eafaf2c66429c102df1525c9defb81'>gnu: c-ares: Update to 1.13.0 [fixes CVE-2017-1000381].</a><span class='msg-avail'>...</span></td><td>Marius Bakke</td></tr>
<tr><td><span title='2017-03-30 01:30:16 +0200'>2017-03-30</span></td><td><a href='/guix/commit/gnu/packages/adns.scm?id=6fd52309b8f52c9bb59fccffac53e029ce94b698'>gnu: Use HTTPS for almost all gnu.org HOME-PAGEs.</a><span class='msg-avail'>...</span></td><td>Tobias Geerinckx-Rice</td></tr>