From c1118519964e19251db3f26a1484518b7fefc8bc Mon Sep 17 00:00:00 2001
From: gonggy <514592053@qq.com>
Date: Sun, 24 Jul 2022 14:14:18 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=E5=A4=8DisBase64=E5=88=A4=E6=96=AD?=
 =?UTF-8?q?=E4=B8=8D=E6=AD=A3=E7=A1=AE=E7=9A=84=E9=97=AE=E9=A2=98?=
MIME-Version: 1.0
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---
 hutool-core/src/main/java/cn/hutool/core/codec/Base64.java | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/hutool-core/src/main/java/cn/hutool/core/codec/Base64.java b/hutool-core/src/main/java/cn/hutool/core/codec/Base64.java
index 2ffc710c2..249c9e588 100755
--- a/hutool-core/src/main/java/cn/hutool/core/codec/Base64.java
+++ b/hutool-core/src/main/java/cn/hutool/core/codec/Base64.java
@@ -352,6 +352,9 @@ public class Base64 {
 	 * @since 5.7.5
 	 */
 	public static boolean isBase64(byte[] base64Bytes) {
+		if (base64Bytes == null || base64Bytes.length < 3) {
+			return false;
+		}
 		boolean hasPadding = false;
 		for (byte base64Byte : base64Bytes) {
 			if (hasPadding) {