From 9f925cee8cd14630d1722fe2a02148e07f53b76b Mon Sep 17 00:00:00 2001
From: Andriy Herasymyuk <andriy@macbook-pro-andriy.local>
Date: Wed, 22 Jul 2020 14:30:58 +0300
Subject: [PATCH] Fix heap buffer overflow in UIColor+KVNContrast.m

---
 KVNProgress/Categories/UIColor+KVNContrast.m | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/KVNProgress/Categories/UIColor+KVNContrast.m b/KVNProgress/Categories/UIColor+KVNContrast.m
index 411bdb0..68712de 100644
--- a/KVNProgress/Categories/UIColor+KVNContrast.m
+++ b/KVNProgress/Categories/UIColor+KVNContrast.m
@@ -12,8 +12,9 @@ @implementation UIColor (KVNContrast)
 
 - (UIStatusBarStyle)statusBarStyleConstrastStyle
 {
-	const CGFloat *componentColors = CGColorGetComponents(self.CGColor);
-	CGFloat darknessScore = (((componentColors[0] * 255) * 299) + ((componentColors[1] * 255) * 587) + ((componentColors[2] * 255) * 114)) / 1000;
+	CGFloat red, green, blue;
+    [self getRed:&red green:&green blue:&blue alpha:nil];
+    CGFloat darknessScore = (((red * 255) * 299) + ((green * 255) * 587) + ((blue * 255) * 114)) / 1000;
 	
 	if (darknessScore >= 125) {
 		return UIStatusBarStyleDefault;