diff options
Diffstat (limited to 'Build/source/libs/freetype2/freetype-src/src/cff/cffload.c')
-rw-r--r-- | Build/source/libs/freetype2/freetype-src/src/cff/cffload.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/Build/source/libs/freetype2/freetype-src/src/cff/cffload.c b/Build/source/libs/freetype2/freetype-src/src/cff/cffload.c index ba49793dc8a..1c6fe515667 100644 --- a/Build/source/libs/freetype2/freetype-src/src/cff/cffload.c +++ b/Build/source/libs/freetype2/freetype-src/src/cff/cffload.c @@ -1933,6 +1933,24 @@ else if ( priv->initial_random_seed == 0 ) priv->initial_random_seed = 987654321; + /* 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(( "cff_load_private_dict:" + " 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(( "cff_load_private_dict:" + " setting unlikely BlueFuzz value %d to default (1)\n", + priv->blue_fuzz )); + priv->blue_fuzz = 1; + } + Exit: /* clean up */ cff_blend_clear( subfont ); /* clear blend stack */ |