diff --git a/libavformat/mxfdec.c b/libavformat/mxfdec.c
index 2a076931ed..17a04e16f1 100644
--- a/libavformat/mxfdec.c
+++ b/libavformat/mxfdec.c
@@ -1921,6 +1921,11 @@ static int mxf_edit_unit_absolute_offset(MXFContext *mxf, MXFIndexTable *index_t
             return mxf_absolute_bodysid_offset(mxf, index_table->body_sid, offset_temp, offset_out, partition_out);
         } else {
             /* EditUnitByteCount == 0 for VBR indexes, which is fine since they use explicit StreamOffsets */
+            if (s->edit_unit_byte_count && (s->index_duration > INT64_MAX / s->edit_unit_byte_count ||
+                s->edit_unit_byte_count * s->index_duration > INT64_MAX - offset_temp)
+            )
+                return AVERROR_INVALIDDATA;
+
             offset_temp += s->edit_unit_byte_count * s->index_duration;
         }
     }