shithub: freetype+ttf2subf

Download patch

ref: d47d372c96d445a30b7d7a26be00d60ffa878e6d
parent: 5cf83a5335cbbc71037930de857b947c5de38948
author: Werner Lemberg <[email protected]>
date: Tue Oct 20 08:24:36 EDT 2015 

[cid] Avoid segfault with malformed input (#46250).

* src/cid/cidload.c (cid_read_subrs): Return a proper error code for
unsorted offsets.

git/fs: mount .git/fs: mount/attach disallowed 
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,10 @@
+2015-10-20  Werner Lemberg  <[email protected]>
+
+	[cid] Avoid segfault with malformed input (#46250).
+
+	* src/cid/cidload.c (cid_read_subrs): Return a proper error code for
+	unsorted offsets.
+
 2015-10-20  StudioEtrange  <[email protected]>
 
 	* CMakeLists.txt: Enable shared library builds on MinGW (#46233).
--- a/src/cid/cidload.c
+++ b/src/cid/cidload.c
@@ -484,7 +484,11 @@
       /* offsets must be ordered */
       for ( count = 1; count <= num_subrs; count++ )
         if ( offsets[count - 1] > offsets[count] )
+        {
+          FT_TRACE1(( "cid_read_subrs: offsets are not ordered\n" ));
+          error = FT_THROW( Syntax_Error );
           goto Fail;
+        }
 
       /* now, compute the size of subrs charstrings, */
       /* allocate, and read them                     */