diff --git a/services/cameraservice/cameraoperator/handler/src/dcamera_handler.cpp b/services/cameraservice/cameraoperator/handler/src/dcamera_handler.cpp
index 84088c7b4422cba4b6da3f632f268bdd5f974c30..5562cf7c7beade1b7af6e19679d2f9ee424d8493 100644
--- a/services/cameraservice/cameraoperator/handler/src/dcamera_handler.cpp
+++ b/services/cameraservice/cameraoperator/handler/src/dcamera_handler.cpp
@@ -31,6 +31,8 @@ namespace OHOS {
 namespace DistributedHardware {
 IMPLEMENT_SINGLE_INSTANCE(DCameraHandler);
 
+const int32_t MAXWIDTHSIZE = 65535;
+
 DCameraHandler::~DCameraHandler()
 {
     DHLOGI("~DCameraHandler");
@@ -371,6 +373,10 @@ bool DCameraHandler::IsValid(const DCStreamType type, const CameraStandard::Size
             break;
         }
         case SNAPSHOT_FRAME: {
+            if (size.width > MAXWIDTHSIZE) {
+                DHLOGE("size width out of range.");
+                return ret;
+            }
             uint64_t dcResolution = static_cast<uint64_t>(size.width * size.width);
             uint64_t dcMaxResolution = static_cast<uint64_t>(RESOLUTION_MAX_WIDTH_SNAPSHOT *
                                                              RESOLUTION_MAX_HEIGHT_SNAPSHOT);
diff --git a/services/cameraservice/cameraoperator/handler/test/unittest/common/dcamerahandler/dcamera_handler_test.cpp b/services/cameraservice/cameraoperator/handler/test/unittest/common/dcamerahandler/dcamera_handler_test.cpp
index ed721f93659e67cc717f645f38a22273d851c024..3be0f14272275c34923be6bcc2fd72fb633c9841 100644
--- a/services/cameraservice/cameraoperator/handler/test/unittest/common/dcamerahandler/dcamera_handler_test.cpp
+++ b/services/cameraservice/cameraoperator/handler/test/unittest/common/dcamerahandler/dcamera_handler_test.cpp
@@ -245,6 +245,10 @@ HWTEST_F(DCameraHandlerTest, dcamera_handler_test_008, TestSize.Level1)
     ret = DCameraHandler::GetInstance().IsValid(SNAPSHOT_FRAME, size);
     EXPECT_EQ(ret, true);
 
+    CameraStandard::Size size1{ 65540, 480 };
+    ret = DCameraHandler::GetInstance().IsValid(SNAPSHOT_FRAME, size1);
+    EXPECT_EQ(ret, false);
+
     int32_t invalidParam = 2;
     auto type = static_cast<DCStreamType>(invalidParam);
     ret = DCameraHandler::GetInstance().IsValid(type, size);