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Diffstat (limited to 'Build/source/libs/freetype2/freetype-src/src/type1/t1load.c')
-rw-r--r--Build/source/libs/freetype2/freetype-src/src/type1/t1load.c18
1 files changed, 18 insertions, 0 deletions
diff --git a/Build/source/libs/freetype2/freetype-src/src/type1/t1load.c b/Build/source/libs/freetype2/freetype-src/src/type1/t1load.c
index 2b8d4893c69..9dfa637a695 100644
--- a/Build/source/libs/freetype2/freetype-src/src/type1/t1load.c
+++ b/Build/source/libs/freetype2/freetype-src/src/type1/t1load.c
@@ -2493,6 +2493,24 @@
type1->encoding.num_chars = loader.num_chars;
}
+ /* some sanitizing to avoid overflows later on; */
+ /* the upper limits are ad-hoc values */
+ if ( priv->blue_shift > 1000 || priv->blue_shift < 0 )
+ {
+ FT_TRACE2(( "T1_Open_Face:"
+ " setting unlikely BlueShift value %d to default (7)\n",
+ priv->blue_shift ));
+ priv->blue_shift = 7;
+ }
+
+ if ( priv->blue_fuzz > 1000 || priv->blue_fuzz < 0 )
+ {
+ FT_TRACE2(( "T1_Open_Face:"
+ " setting unlikely BlueFuzz value %d to default (1)\n",
+ priv->blue_fuzz ));
+ priv->blue_fuzz = 1;
+ }
+
Exit:
t1_done_loader( &loader );
return error;