shithub: freetype+ttf2subf

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ref: d9577add645c8c05460c7d60ad486c021394b82e
parent: 03242f58c4bf7226276d8e4e7cb106045319e517
author: Werner Lemberg <[email protected]>
date: Sun Feb 26 03:03:57 EST 2012

[type1] Fix Savannah bug #35608.

* src/type1/t1parse.c (T1_Get_Private_Dict): Reject too short
dictionaries.

git/fs: mount .git/fs: mount/attach disallowed
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,12 @@
 2012-02-26  Werner Lemberg  <[email protected]>
 
+	[type1] Fix Savannah bug #35608.
+
+	* src/type1/t1parse.c (T1_Get_Private_Dict): Reject too short
+	dictionaries.
+
+2012-02-26  Werner Lemberg  <[email protected]>
+
 	[bdf] Support `ENCODING -1 <n>' format.
 
 	* src/bdf/bdflib.c (_bdf_parse_glyphs) <ENCODING>: Implement it.
--- a/src/type1/t1parse.c
+++ b/src/type1/t1parse.c
@@ -4,7 +4,7 @@
 /*                                                                         */
 /*    Type 1 parser (body).                                                */
 /*                                                                         */
-/*  Copyright 1996-2001, 2002, 2003, 2004, 2005, 2008, 2009 by             */
+/*  Copyright 1996-2005, 2008, 2009, 2012 by                               */
 /*  David Turner, Robert Wilhelm, and Werner Lemberg.                      */
 /*                                                                         */
 /*  This file is part of the FreeType project, and may only be used,       */
@@ -466,6 +466,14 @@
 
     /* we now decrypt the encoded binary private dictionary */
     psaux->t1_decrypt( parser->private_dict, parser->private_len, 55665U );
+
+    if ( parser->private_len < 4 )
+    {
+      FT_ERROR(( "T1_Get_Private_Dict:"
+                 " invalid private dictionary section\n" ));
+      error = T1_Err_Invalid_File_Format;
+      goto Fail;
+    }
 
     /* replace the four random bytes at the beginning with whitespace */
     parser->private_dict[0] = ' ';