diff --git a/pipewire-v4l2/src/pipewire-v4l2.c b/pipewire-v4l2/src/pipewire-v4l2.c
index a832ceef6..e8efa60e5 100644
--- a/pipewire-v4l2/src/pipewire-v4l2.c
+++ b/pipewire-v4l2/src/pipewire-v4l2.c
@@ -2256,7 +2256,7 @@ static int vidioc_queryctrl(struct file *file, struct v4l2_queryctrl *arg)
 			// check type and populate range
 			pod = spa_pod_get_values(type, &n_vals, &choice);
 			if (pod->type == SPA_TYPE_Int) {
-				if (n_vals < 4)
+				if (pod->size != sizeof(int) || n_vals < 4)
 					break;
 				arg->type = V4L2_CTRL_TYPE_INTEGER;
 				int *v = SPA_POD_BODY(pod);
diff --git a/spa/plugins/v4l2/v4l2-utils.c b/spa/plugins/v4l2/v4l2-utils.c
index 9cfd0afae..26effd8a8 100644
--- a/spa/plugins/v4l2/v4l2-utils.c
+++ b/spa/plugins/v4l2/v4l2-utils.c
@@ -399,7 +399,7 @@ enum_filter_format(uint32_t media_type, int32_t media_subtype,
 				if (index == 0)
 					video_format = values[0];
 			} else {
-				if (index < n_values - 1)
+				if (index < n_values - 1 && val->size == sizeof(values[0]))
 					video_format = values[index + 1];
 			}
 		} else {
diff --git a/src/gst/gstpipewireformat.c b/src/gst/gstpipewireformat.c
index 20b93065a..30f646382 100644
--- a/src/gst/gstpipewireformat.c
+++ b/src/gst/gstpipewireformat.c
@@ -1117,7 +1117,7 @@ handle_int_prop (const struct spa_pod_prop *prop, const char *key, GstCaps *res)
     case SPA_CHOICE_Range:
     case SPA_CHOICE_Step:
     {
-      if (n_items < 3)
+      if (n_items < 3 || val->size != sizeof(ints[0]))
         return;
       gst_caps_set_simple (res, key, GST_TYPE_INT_RANGE, ints[1], ints[2], NULL);
       break;
@@ -1225,7 +1225,7 @@ handle_fraction_prop (const struct spa_pod_prop *prop, const char *key, GstCaps
     case SPA_CHOICE_Range:
     case SPA_CHOICE_Step:
     {
-      if (n_items < 3)
+      if (n_items < 3 || val->size != sizeof(fract[0]))
         return;
 
       if (fract[1].num == fract[2].num &&
diff --git a/src/modules/module-protocol-pulse/format.c b/src/modules/module-protocol-pulse/format.c
index 34a835ef8..2cb965695 100644
--- a/src/modules/module-protocol-pulse/format.c
+++ b/src/modules/module-protocol-pulse/format.c
@@ -683,7 +683,7 @@ static int add_int(struct format_info *info, const char *k, struct spa_pod *para
 		return -ENOENT;
 
 	val = spa_pod_get_values(&prop->value, &n_values, &choice);
-	if (val->type != SPA_TYPE_Int)
+	if (val->type != SPA_TYPE_Int || val->size != sizeof(values[0]))
 		return -ENOTSUP;
 
 	if (n_values == 0)
@@ -745,7 +745,7 @@ static int format_info_iec958_from_param(struct format_info *info, struct spa_po
 		return -ENOENT;
 
 	val = spa_pod_get_values(&prop->value, &n_values, &choice);
-	if (val->type != SPA_TYPE_Id)
+	if (val->type != SPA_TYPE_Id || val->size != sizeof(values[0]))
 		return -ENOTSUP;
 
 	if (index >= n_values)
diff --git a/src/pipewire/stream.c b/src/pipewire/stream.c
index 904e44a67..530382fac 100644
--- a/src/pipewire/stream.c
+++ b/src/pipewire/stream.c
@@ -1276,6 +1276,10 @@ static int node_event_param(void *object, int seq,
 			free(c);
 			return -EINVAL;
 		}
+		if (n_vals > 1 && pod->size != spa_pod_type_size(pod->type)) {
+			free(c);
+			return -ENOTSUP;
+		}
 
 		c->type = pod->type;
 		if (spa_pod_is_float(pod))