diff --git a/huaweicloud-sdk-java-dis/pom.xml b/huaweicloud-sdk-java-dis/pom.xml
index 730d76e..979be42 100644
--- a/huaweicloud-sdk-java-dis/pom.xml
+++ b/huaweicloud-sdk-java-dis/pom.xml
@@ -63,13 +63,13 @@
         <dependency>
             <groupId>org.lz4</groupId>
             <artifactId>lz4-java</artifactId>
-            <version>1.7.1</version>
+            <version>1.8.0</version>
         </dependency>
 
         <dependency>
             <groupId>com.github.luben</groupId>
             <artifactId>zstd-jni</artifactId>
-            <version>1.4.3-1</version>
+            <version>1.5.2-2</version>
         </dependency>
 
         <!-- sdk-core的sign方法依赖 -->
@@ -107,7 +107,7 @@
         <dependency>
             <groupId>org.xerial.snappy</groupId>
             <artifactId>snappy-java</artifactId>
-            <version>1.1.7.2</version>
+            <version>1.1.8.4</version>
             <type>jar</type>
             <scope>compile</scope>
         </dependency>
diff --git a/huaweicloud-sdk-java-dis/src/main/java/com/huaweicloud/dis/util/compress/Lz4Util.java b/huaweicloud-sdk-java-dis/src/main/java/com/huaweicloud/dis/util/compress/Lz4Util.java
index 6959242..64a723c 100644
--- a/huaweicloud-sdk-java-dis/src/main/java/com/huaweicloud/dis/util/compress/Lz4Util.java
+++ b/huaweicloud-sdk-java-dis/src/main/java/com/huaweicloud/dis/util/compress/Lz4Util.java
@@ -37,6 +37,15 @@ public static byte[] compressByte(byte[] srcByte) {
      * @return
      */
     public static byte[] decompressByte(byte[] compressorByte, int srcLength) {
+        if (srcLength < 0) {
+          throw new IndexOutOfBoundsException(
+              "CVE-2021-3520: There's a flaw in lz4. An attacker who submits a crafted file to "
+                  + "an application linked with lz4 may be able to trigger an integer overflow, " 
+                  + "leading to calling of memmove() on a negative size argument, causing an " 
+                  + "out-of-bounds write and/or a crash. The greatest impact of this flaw is to " 
+                  + "availability, with some potential impact to confidentiality and integrity " 
+                  + "as well.");
+        }
         LZ4Factory factory = LZ4Factory.fastestInstance();
         LZ4FastDecompressor decompressor = factory.fastDecompressor();
         return decompressor.decompress(compressorByte, srcLength);