+++ /dev/null
-http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-0946
-
-Protect against malformed compressed data.
-http://git.savannah.gnu.org/cgit/freetype/freetype2.git/commit/?id=0a05ba257b6ddd87dacf8d54b626e4b360e0a596
-
-Protect against invalid SID values in CFFs.
-http://git.savannah.gnu.org/cgit/freetype/freetype2.git/commit/?id=0545ec1ca36b27cb928128870a83e5f668980bc5
-
-Fix validation for various cmap table formats.
-http://git.savannah.gnu.org/cgit/freetype/freetype2.git/commit/?id=a18788b14db60ae3673f932249cd02d33a227c4e
-
-Protect against too large glyphs.
-http://git.savannah.gnu.org/cgit/freetype/freetype2.git/commit/?id=79972af4f0485a11dcb19551356c45245749fc5b
-
-
---- a/src/cff/cffload.c
-+++ b/src/cff/cffload.c
-@@ -842,7 +842,20 @@
- goto Exit;
-
- for ( j = 1; j < num_glyphs; j++ )
-- charset->sids[j] = FT_GET_USHORT();
-+ {
-+ FT_UShort sid = FT_GET_USHORT();
-+
-+
-+ /* this constant is given in the CFF specification */
-+ if ( sid < 65000 )
-+ charset->sids[j] = sid;
-+ else
-+ {
-+ FT_ERROR(( "cff_charset_load:"
-+ " invalid SID value %d set to zero\n", sid ));
-+ charset->sids[j] = 0;
-+ }
-+ }
-
- FT_FRAME_EXIT();
- }
-@@ -875,6 +888,20 @@
- goto Exit;
- }
-
-+ /* check whether the range contains at least one valid glyph; */
-+ /* the constant is given in the CFF specification */
-+ if ( glyph_sid >= 65000 ) {
-+ FT_ERROR(( "cff_charset_load: invalid SID range\n" ));
-+ error = CFF_Err_Invalid_File_Format;
-+ goto Exit;
-+ }
-+
-+ /* try to rescue some of the SIDs if `nleft' is too large */
-+ if ( nleft > 65000 - 1 || glyph_sid >= 65000 - nleft ) {
-+ FT_ERROR(( "cff_charset_load: invalid SID range trimmed\n" ));
-+ nleft = 65000 - 1 - glyph_sid;
-+ }
-+
- /* Fill in the range of sids -- `nleft + 1' glyphs. */
- for ( i = 0; j < num_glyphs && i <= nleft; i++, j++, glyph_sid++ )
- charset->sids[j] = glyph_sid;
---- a/src/lzw/ftzopen.c
-+++ b/src/lzw/ftzopen.c
-@@ -332,6 +332,9 @@
-
- while ( code >= 256U )
- {
-+ if ( !state->prefix )
-+ goto Eof;
-+
- FTLZW_STACK_PUSH( state->suffix[code - 256] );
- code = state->prefix[code - 256];
- }
---- a/src/smooth/ftsmooth.c
-+++ b/src/smooth/ftsmooth.c
-@@ -153,7 +153,7 @@
- slot->internal->flags &= ~FT_GLYPH_OWN_BITMAP;
- }
-
-- /* allocate new one, depends on pixel format */
-+ /* allocate new one */
- pitch = width;
- if ( hmul )
- {
-@@ -194,6 +194,13 @@
-
- #endif
-
-+ if ( pitch > 0xFFFF || height > 0xFFFF )
-+ {
-+ FT_ERROR(( "ft_smooth_render_generic: glyph too large: %d x %d\n",
-+ width, height ));
-+ return Smooth_Err_Raster_Overflow;
-+ }
-+
- bitmap->pixel_mode = FT_PIXEL_MODE_GRAY;
- bitmap->num_grays = 256;
- bitmap->width = width;
---- a/src/sfnt/ttcmap.c
-+++ b/src/sfnt/ttcmap.c
-@@ -1635,7 +1635,7 @@
- FT_INVALID_TOO_SHORT;
-
- length = TT_NEXT_ULONG( p );
-- if ( table + length > valid->limit || length < 8208 )
-+ if ( length > (FT_UInt32)( valid->limit - table ) || length < 8192 + 16 )
- FT_INVALID_TOO_SHORT;
-
- is32 = table + 12;
-@@ -1863,7 +1863,8 @@
- p = table + 16;
- count = TT_NEXT_ULONG( p );
-
-- if ( table + length > valid->limit || length < 20 + count * 2 )
-+ if ( length > (FT_ULong)( valid->limit - table ) ||
-+ length < 20 + count * 2 )
- FT_INVALID_TOO_SHORT;
-
- /* check glyph indices */
-@@ -2048,7 +2049,8 @@
- p = table + 12;
- num_groups = TT_NEXT_ULONG( p );
-
-- if ( table + length > valid->limit || length < 16 + 12 * num_groups )
-+ if ( length > (FT_ULong)( valid->limit - table ) ||
-+ length < 16 + 12 * num_groups )
- FT_INVALID_TOO_SHORT;
-
- /* check groups, they must be in increasing order */
-@@ -2429,7 +2431,8 @@
- FT_ULong num_selectors = TT_NEXT_ULONG( p );
-
-
-- if ( table + length > valid->limit || length < 10 + 11 * num_selectors )
-+ if ( length > (FT_ULong)( valid->limit - table ) ||
-+ length < 10 + 11 * num_selectors )
- FT_INVALID_TOO_SHORT;
-
- /* check selectors, they must be in increasing order */
-@@ -2491,7 +2494,7 @@
- FT_ULong i, lastUni = 0;
-
-
-- if ( ndp + numMappings * 4 > valid->limit )
-+ if ( numMappings * 4 > (FT_ULong)( valid->limit - ndp ) )
- FT_INVALID_TOO_SHORT;
-
- for ( i = 0; i < numMappings; ++i )