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* src/psaux/psobjs.c (t1_builder_close_contour): Add safety guard. 

Reported as

  https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=941
This commit is contained in:
Werner Lemberg 2017-03-26 08:32:09 +02:00
parent f958c48ee4
commit 3774fc08b5
2 changed files with 16 additions and 0 deletions
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8
ChangeLog
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@ -1,3 +1,11 @@
2017-03-26 Werner Lemberg <wl@gnu.org>
* src/psaux/psobjs.c (t1_builder_close_contour): Add safety guard.
Reported as
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=941
2017-03-23 Werner Lemberg <wl@gnu.org>
[psaux] Better protect `flex' handling.

8
src/psaux/psobjs.c
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@ -1718,6 +1718,14 @@
first = outline->n_contours <= 1
? 0 : outline->contours[outline->n_contours - 2] + 1;
/* in malformed fonts it can happen that a contour was started */
/* but no points were added */
if ( outline->n_contours && first == outline->n_points )
{
outline->n_contours--;
return;
}
/* We must not include the last point in the path if it */
/* is located on the first point. */
if ( outline->n_points > 1 )