diff options
Diffstat (limited to 'freetype/src/sfnt/ttload.c')
| -rw-r--r-- | freetype/src/sfnt/ttload.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/freetype/src/sfnt/ttload.c b/freetype/src/sfnt/ttload.c index 1ca2dd5c2..fe179360d 100644 --- a/freetype/src/sfnt/ttload.c +++ b/freetype/src/sfnt/ttload.c @@ -5,7 +5,7 @@ /* Load the basic TrueType tables, i.e., tables that can be either in */ /* TTF or OTF fonts (body). */ /* */ -/* Copyright 1996-2010, 2012, 2013 by */ +/* Copyright 1996-2010, 2012-2014 by */ /* David Turner, Robert Wilhelm, and Werner Lemberg. */ /* */ /* This file is part of the FreeType project, and may only be used, */ @@ -207,7 +207,10 @@ } /* we ignore invalid tables */ - if ( table.Offset + table.Length > stream->size ) + + /* table.Offset + table.Length > stream->size ? */ + if ( table.Length > stream->size || + table.Offset > stream->size - table.Length ) { FT_TRACE2(( "check_table_dir: table entry %d invalid\n", nn )); continue; @@ -395,7 +398,10 @@ entry->Length = FT_GET_ULONG(); /* ignore invalid tables */ - if ( entry->Offset + entry->Length > stream->size ) + + /* entry->Offset + entry->Length > stream->size ? */ + if ( entry->Length > stream->size || + entry->Offset > stream->size - entry->Length ) continue; else { |