diff --git a/libdmabufheap/BUILD.gn b/libdmabufheap/BUILD.gn
index 9dd2fcbe9958bd4de4767de00b976a14ddf19e64..5a3c8159ed01fffb80d2f932c6506e05a7dc37c3 100644
--- a/libdmabufheap/BUILD.gn
+++ b/libdmabufheap/BUILD.gn
@@ -28,4 +28,11 @@ ohos_shared_library("libdmabufheap") {
   subsystem_name = "commonlibrary"
   innerapi_tags = [ "chipsetsdk" ]
   part_name = "memory_utils"
+
+  sanitize = {
+    cfi = true
+    cfi_cross_dso = true
+    debug = false
+  }
+  branch_protector_ret = "pac_ret"
 }
diff --git a/libmeminfo/BUILD.gn b/libmeminfo/BUILD.gn
index 59b004283a6d3cd36cb301eb9dfb6a07da507362..783c78c61c2ce56d0bf573ef335ce1addf27a63d 100644
--- a/libmeminfo/BUILD.gn
+++ b/libmeminfo/BUILD.gn
@@ -28,4 +28,11 @@ ohos_shared_library("libmeminfo") {
   public_configs = [ ":libmeminfo_config" ]
   subsystem_name = "commonlibrary"
   part_name = "memory_utils"
+
+  sanitize = {
+    cfi = true
+    cfi_cross_dso = true
+    debug = false
+  }
+  branch_protector_ret = "pac_ret"
 }
diff --git a/libpurgeablemem/BUILD.gn b/libpurgeablemem/BUILD.gn
index 4480bf1296ac1e952bfd2dbf995cf4d9b704092c..cf454b5b6b1f1a070c6fb16edc4499af901347f2 100644
--- a/libpurgeablemem/BUILD.gn
+++ b/libpurgeablemem/BUILD.gn
@@ -48,6 +48,13 @@ ohos_shared_library("libpurgeablemem") {
   public_configs = [ ":libpurgeable_config" ]
   subsystem_name = "commonlibrary"
   part_name = "memory_utils"
+
+  sanitize = {
+    cfi = true
+    cfi_cross_dso = true
+    debug = false
+  }
+  branch_protector_ret = "pac_ret"
 }
 
 ohos_shared_library("purgeable_memory_ndk") {
diff --git a/libpurgeablemem/interfaces/kits/c/BUILD.gn b/libpurgeablemem/interfaces/kits/c/BUILD.gn
index 6ffd6731c1ec8012832cebebbb184c44e61d3f77..a9b54c11c6d5bc6440462a964d4ea74a26e76530 100644
--- a/libpurgeablemem/interfaces/kits/c/BUILD.gn
+++ b/libpurgeablemem/interfaces/kits/c/BUILD.gn
@@ -24,4 +24,11 @@ ohos_ndk_library("libpurgeable_memory_ndk") {
   ndk_description_file = "./libpurgeable_memory.ndk.json"
   system_capability = "SystemCapability.CommonLibrary.Memory.PurgeableMemory"
   system_capability = "purgeable_memory/purgeable_memory.h"
+
+  sanitize = {
+    cfi = true
+    cfi_cross_dso = true
+    debug = false
+  }
+  branch_protector_ret = "pac_ret"
 }