diff --git a/lib_com/options.h b/lib_com/options.h
index 2d346ef5916926dcd05c79e1df9c941a721e296d..bfb3f0a29ce3175f367f4193f3637f6a401f4df3 100644
--- a/lib_com/options.h
+++ b/lib_com/options.h
@@ -157,6 +157,7 @@
 #define FIX_MDCT_ST_PLC_FADEOUT_DELAY
 #define FIX_DIRAC_LS_SYNTHESIS_CONFIG_479               /* FhG: fix for issue 479, broken LS output with DirAC at high BRs */
 #define HYBRID_ITD_MAX                                 /* FhG: Improvement for DFT-stereo for cases with large ITDs */
+#define FIX_462_HRTF_FILE_BR_SWITCH_MEM_ERR             /* Eri: Fix for issue 462: Use-of-uninitialized memory in external HRTF deallocation in decoder together with BR switching */
 #define FIX_487_LOWRATE_SBA_TUNING_FIX                  /* Dlb: TUning fix for low bitrate cases to match theoretical longest SPAR MD bitstream */
 #define FIX_490_MASA_2TC_LBR_DTX                        /* Nokia: Fixes issue 490 by correcting condition. */
 
diff --git a/lib_dec/ivas_ism_dec.c b/lib_dec/ivas_ism_dec.c
index 571da52921b7bd2a581a06f08815ff7471c779f0..34645b07df8fd4fe711edcfc7c073f0dc5675597 100644
--- a/lib_dec/ivas_ism_dec.c
+++ b/lib_dec/ivas_ism_dec.c
@@ -42,7 +42,6 @@
 #endif
 #include "wmc_auto.h"
 
-
 /*-------------------------------------------------------------------------*
  * ivas_ism_bitrate_switching()
  *
@@ -186,10 +185,20 @@ static ivas_error ivas_ism_bitrate_switching(
             ivas_dirac_dec_close_binaural_data( &st_ivas->hDiracDecBin );
 
             /* Open the TD Binaural renderer */
+#ifdef FIX_462_HRTF_FILE_BR_SWITCH_MEM_ERR
+            if ( st_ivas->hHrtfTD == NULL || st_ivas->hBinRendererTd == NULL )
+            {
+                if ( ( error = ivas_td_binaural_open( st_ivas ) ) != IVAS_ERR_OK )
+                {
+                    return error;
+                }
+            }
+#else
             if ( ( error = ivas_td_binaural_open( st_ivas ) ) != IVAS_ERR_OK )
             {
                 return error;
             }
+#endif
         }
         else
         {
@@ -252,6 +261,20 @@ static ivas_error ivas_ism_bitrate_switching(
             }
 
             /* Close the TD Binaural renderer */
+#ifdef FIX_462_HRTF_FILE_BR_SWITCH_MEM_ERR
+            if ( st_ivas->hBinRendererTd->HrFiltSet_p->ModelParams.modelROM == TRUE )
+            {
+                if ( st_ivas->hBinRendererTd != NULL )
+                {
+                    ivas_td_binaural_close( &st_ivas->hBinRendererTd );
+                }
+
+                if ( st_ivas->hHrtfTD != NULL )
+                {
+                    st_ivas->hHrtfTD = NULL;
+                }
+            }
+#else
             if ( st_ivas->hBinRendererTd != NULL )
             {
                 ivas_td_binaural_close( &st_ivas->hBinRendererTd );
@@ -261,6 +284,7 @@ static ivas_error ivas_ism_bitrate_switching(
             {
                 st_ivas->hHrtfTD = NULL;
             }
+#endif
         }
         else
         {