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freetype2
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Code Issues 4 Releases Wiki Activity

[base] Fix numeric overflow. 

Reported as

  https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=11080

* src/base/ftoutln.c (FT_Outline_Get_Orientation): Use `MUL_LONG'.
This commit is contained in:
Werner Lemberg 2018-10-29 21:25:10 +01:00
parent ba62f9d8f5
commit c13635ee4b
2 changed files with 12 additions and 1 deletions
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ChangeLog
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@ -1,3 +1,13 @@
2018-10-29 Werner Lemberg <wl@gnu.org>
[base] Fix numeric overflow.
Reported as
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=11080
* src/base/ftoutln.c (FT_Outline_Get_Orientation): Use `MUL_LONG'.
2018-10-29 Werner Lemberg <wl@gnu.org>
[cff] Fix numeric overflow.

3
src/base/ftoutln.c
View File

@ -1076,7 +1076,8 @@
v_cur.y = points[n].y >> yshift;
area = ADD_LONG( area,
( v_cur.y - v_prev.y ) * ( v_cur.x + v_prev.x ) );
MUL_LONG( v_cur.y - v_prev.y,
v_cur.x + v_prev.x ) );
v_prev = v_cur;
}