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[truetype] Integer overflow (#52082).

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* src/truetype/ttinterp.c (Ins_MDRP): Avoid FT_ABS.
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Werner Lemberg 2017-09-21 21:22:51 +02:00
parent 1ad07c1c79
commit 6d04bd991b
2 changed files with 9 additions and 2 deletions
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ChangeLog
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@ -1,3 +1,9 @@
2017-09-21 Werner Lemberg <wl@gnu.org>
[truetype] Integer overflow (#52082).
* src/truetype/ttinterp.c (Ins_MDRP): Avoid FT_ABS.
2017-09-21 Werner Lemberg <wl@gnu.org>
[sfnt] Fix postscript name for default instance of variation fonts.

5
src/truetype/ttinterp.c
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@ -6078,8 +6078,9 @@
/* single width cut-in test */
if ( FT_ABS( org_dist - exc->GS.single_width_value ) <
exc->GS.single_width_cutin )
/* |org_dist - single_width_value| < single_width_cutin */
if ( org_dist < exc->GS.single_width_value + exc->GS.single_width_cutin ||
org_dist > exc->GS.single_width_value - exc->GS.single_width_cutin )
{
if ( org_dist >= 0 )
org_dist = exc->GS.single_width_value;