Commit 8589134f160a9d0898a2f3bdf87300837be4367d
2021-11-30T10:23:21
Fixed potential buffer overflow in YUV conversion Fixes https://github.com/libsdl-org/SDL/issues/5043
diff --git a/src/video/yuv2rgb/yuv_rgb.c b/src/video/yuv2rgb/yuv_rgb.c
index 6e821a8..7908b8c 100644
--- a/src/video/yuv2rgb/yuv_rgb.c
+++ b/src/video/yuv2rgb/yuv_rgb.c
@@ -91,7 +91,7 @@ static uint8_t clampU8(int32_t v)
255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,
255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255
};
- return lut[(v+128*PRECISION_FACTOR)>>PRECISION];
+ return lut[((v+128*PRECISION_FACTOR)>>PRECISION)&511];
}