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[freetype2] master e6fda039a: * src/truetype/ttgxvar.c (tt_hvadvance_adj
From: |
Werner Lemberg |
Subject: |
[freetype2] master e6fda039a: * src/truetype/ttgxvar.c (tt_hvadvance_adjust): Integer overflow. |
Date: |
Mon, 14 Nov 2022 13:20:03 -0500 (EST) |
branch: master
commit e6fda039ad638866b7a6a5d046f03278ba1b7611
Author: Werner Lemberg <wl@gnu.org>
Commit: Werner Lemberg <wl@gnu.org>
* src/truetype/ttgxvar.c (tt_hvadvance_adjust): Integer overflow.
Reported as
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=50462
---
src/truetype/ttgxvar.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/src/truetype/ttgxvar.c b/src/truetype/ttgxvar.c
index 370a92c7e..d2452f88c 100644
--- a/src/truetype/ttgxvar.c
+++ b/src/truetype/ttgxvar.c
@@ -42,6 +42,7 @@
#include <ft2build.h>
#include <freetype/internal/ftdebug.h>
#include FT_CONFIG_CONFIG_H
+#include <freetype/internal/ftcalc.h>
#include <freetype/internal/ftstream.h>
#include <freetype/internal/sfnt.h>
#include <freetype/tttags.h>
@@ -1207,7 +1208,7 @@
delta == 1 ? "" : "s",
vertical ? "VVAR" : "HVAR" ));
- *avalue += delta;
+ *avalue = ADD_INT( *avalue, delta );
}
Exit:
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- [freetype2] master e6fda039a: * src/truetype/ttgxvar.c (tt_hvadvance_adjust): Integer overflow.,
Werner Lemberg <=