[Git][freetype/freetype][master] * src/truetype/ttgxvar.c (tt_hvadvance_adjust): Integer overflow.

[Werner Lemberg (@wl)]

Werner Lemberg pushed to branch master at FreeType / FreeType

Commits:

• e6fda039
  by Werner Lemberg at 2022-11-14T19:18:19+01:00

  * src/truetype/ttgxvar.c (tt_hvadvance_adjust): Integer overflow.
  
  Reported as
  
    https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=50462
  

1 changed file:

• src/truetype/ttgxvar.c

Changes:

src/truetype/ttgxvar.c

---

...	...	@@ -42,6 +42,7 @@
42	42	#include <ft2build.h>
43	43	#include <freetype/internal/ftdebug.h>
44	44	#include FT_CONFIG_CONFIG_H
	45	+#include <freetype/internal/ftcalc.h>
45	46	#include <freetype/internal/ftstream.h>
46	47	#include <freetype/internal/sfnt.h>
47	48	#include <freetype/tttags.h>
...	...	@@ -1207,7 +1208,7 @@
1207	1208	delta == 1 ? "" : "s",
1208	1209	vertical ? "VVAR" : "HVAR" ));
1209	1210
1210		- *avalue += delta;
	1211	+ *avalue = ADD_INT( *avalue, delta );
1211	1212	}
1212	1213
1213	1214	Exit:

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