diff --git a/decoder/drc_src/impd_drc_static_payload.c b/decoder/drc_src/impd_drc_static_payload.c
index 96712cf..a1710fa 100644
--- a/decoder/drc_src/impd_drc_static_payload.c
+++ b/decoder/drc_src/impd_drc_static_payload.c
@@ -2244,6 +2244,9 @@ impd_parse_drc_instructions_uni_drc(
       str_drc_instruction_str->num_drc_ch_groups = g;
     }
 
+    if (str_drc_instruction_str->num_drc_ch_groups >
+        min(CHANNEL_GROUP_COUNT_MAX, MAX_CHANNEL_COUNT))
+      return UNEXPECTED_ERROR;
     for (g = 0; g < str_drc_instruction_str->num_drc_ch_groups; g++) {
       WORD32 set =
           (str_drc_instruction_str->drc_set_effect & EFFECT_BIT_DUCK_OTHER)
@@ -2352,6 +2355,10 @@ impd_parse_drc_instructions_uni_drc(
     }
 
     str_drc_instruction_str->num_drc_ch_groups = g;
+
+    if (str_drc_instruction_str->num_drc_ch_groups >
+        min(CHANNEL_GROUP_COUNT_MAX, MAX_CHANNEL_COUNT))
+      return UNEXPECTED_ERROR;
     for (g = 0; g < str_drc_instruction_str->num_drc_ch_groups; g++) {
       WORD32 set, band_count;