diff --git a/lib_com/options.h b/lib_com/options.h
index 8644dbe747aaa166ed589f5ff5e33da32edd0e8b..e5caa032cef9a3ab478e4285d1df5cabbc16ff51 100644
--- a/lib_com/options.h
+++ b/lib_com/options.h
@@ -193,6 +193,7 @@
 #define NONBE_1303_REND_GRANULARITY                     /* VA: issue 1303: Renderer granularity revision */
 #define FIX_1384_MSAN_ivas_spar_dec_open                /* VA: issue 1386: fix use-of-uninitialized value in ivas_spar_dec_open() */
 #define FIX_1388_MSAN_ivas_init_decoder                 /* VA: issue 1388: fix use-of-uninitialized value in ivas_init_decoder() */
+#define FIX_1288_SPLIT_REND_XSAN                        /* Dlb: Fix asan, msan and usan issues in split rendering mode*/
 
 // object-editing feature porting
 #define OBJ_EDITING_API                                 /* object editing changes related to the API */
diff --git a/lib_lc3plus/ari_codec.c b/lib_lc3plus/ari_codec.c
index 5ba87a32bc3b07eeeb825fe2cb6c6271ec9db0a3..2a76ecac8338b848957fd73b96f480d930038317 100644
--- a/lib_lc3plus/ari_codec.c
+++ b/lib_lc3plus/ari_codec.c
@@ -705,7 +705,7 @@ void ac_shift_fl(Encoder_State_fl* st)
         st->carry_count = st->carry_count + 1;
     }
 
-    st->low = st->low << 8;
+    st->low = (LC3_INT)((LC3_UINT32)st->low << 8);
     st->low = (st->low) & (16777215); /* 2^24 - 1 */
 }
 
diff --git a/lib_lc3plus/lc3.c b/lib_lc3plus/lc3.c
index 56a39286f84a23ee09d244e0bc5fd057ba248b08..b275ed8084fc1b1caa5cce48e6ef18db7fa1af86 100644
--- a/lib_lc3plus/lc3.c
+++ b/lib_lc3plus/lc3.c
@@ -88,9 +88,9 @@ static int null_in_list(void **list, int n)
 /* return pointer to aligned base + base_size, *base_size += size + 4 bytes align */
 void *balloc(void *base, size_t *base_size, size_t size)
 {
-    uintptr_t ptr = ((uintptr_t)base + *base_size + 3) & ~3;
+    uintptr_t ptr = ((uintptr_t)base + *base_size + 3) & (uintptr_t)(~3);
     assert((uintptr_t)base % 4 == 0); /* base must be 4-byte aligned */
-    *base_size = (*base_size + size + 3) & ~3;
+    *base_size = (*base_size + size + 3) & (uintptr_t)(~3);
     return (void *)ptr;
 }