diff --git a/src/H5Rint.c b/src/H5Rint.c
index 1df8a20275..30f3dbbb40 100644
--- a/src/H5Rint.c
+++ b/src/H5Rint.c
@@ -1768,6 +1768,7 @@ H5R__decode_token_region_compat(H5F_t *f, const unsigned char *buf,
     H5O_token_t token = { 0 };
     size_t data_size;
     const uint8_t *p;
+    H5S_t *space = NULL;
     herr_t ret_value = SUCCEED;
 
     FUNC_ENTER_PACKAGE
@@ -1788,7 +1789,6 @@ H5R__decode_token_region_compat(H5F_t *f, const unsigned char *buf,
 
     if(space_ptr) {
         H5O_loc_t oloc; /* Object location */
-        H5S_t *space = NULL;
 
         /* Initialize the object location */
         H5O_loc_reset(&oloc);
@@ -1812,6 +1812,12 @@ H5R__decode_token_region_compat(H5F_t *f, const unsigned char *buf,
 
 done:
     H5MM_free(data);
+
+    if(ret_value < 0) {
+        if(space && H5S_close(space) < 0)
+            HDONE_ERROR(H5E_DATASET, H5E_CLOSEERROR, FAIL, "unable to release dataspace")
+    }
+
     FUNC_LEAVE_NOAPI(ret_value)
 } /* end H5R__decode_token_region_compat() */
 
diff --git a/src/H5Sall.c b/src/H5Sall.c
index 4a4245d4f7..77fb58272d 100644
--- a/src/H5Sall.c
+++ b/src/H5Sall.c
@@ -690,6 +690,9 @@ H5S__all_deserialize(H5S_t **space, const uint8_t **p)
     /* Decode version */
     UINT32DECODE(*p, version);
 
+    if(version < H5S_ALL_VERSION_1 || version > H5S_ALL_VERSION_LATEST)
+        HGOTO_ERROR(H5E_DATASPACE, H5E_BADVALUE, FAIL, "bad version number for all selection")
+
     /* Skip over the remainder of the header */
     *p += 8;
 
diff --git a/src/H5Snone.c b/src/H5Snone.c
index 0949b2aedb..630d1d581b 100644
--- a/src/H5Snone.c
+++ b/src/H5Snone.c
@@ -648,6 +648,9 @@ H5S__none_deserialize(H5S_t **space, const uint8_t **p)
     /* Decode version */
     UINT32DECODE(*p, version);
 
+    if(version < H5S_NONE_VERSION_1 || version > H5S_NONE_VERSION_LATEST)
+        HGOTO_ERROR(H5E_DATASPACE, H5E_BADVALUE, FAIL, "bad version number for none selection")
+
     /* Skip over the remainder of the header */
     *p += 8;
 
diff --git a/src/H5Spkg.h b/src/H5Spkg.h
index e139bce614..da2dd4aff8 100644
--- a/src/H5Spkg.h
+++ b/src/H5Spkg.h
@@ -47,14 +47,17 @@
 #define H5S_HYPER_VERSION_LATEST    H5S_HYPER_VERSION_3
 
 /* Versions for H5S_SEL_POINTS selection info */
-#define H5S_POINT_VERSION_1     1
-#define H5S_POINT_VERSION_2     2
+#define H5S_POINT_VERSION_1         1
+#define H5S_POINT_VERSION_2         2
+#define H5S_POINT_VERSION_LATEST    H5S_POINT_VERSION_2
 
 /* Versions for H5S_SEL_NONE selection info */
-#define H5S_NONE_VERSION_1      1
+#define H5S_NONE_VERSION_1          1
+#define H5S_NONE_VERSION_LATEST     H5S_NONE_VERSION_1
 
 /* Versions for H5S_SEL_ALL selection info */
-#define H5S_ALL_VERSION_1       1
+#define H5S_ALL_VERSION_1           1
+#define H5S_ALL_VERSION_LATEST      H5S_ALL_VERSION_1
 
 /* Encoded size of selection info for H5S_SEL_POINTS/H5S_SEL_HYPER */
 #define H5S_SELECT_INFO_ENC_SIZE_2 0x02        /* 2 bytes: 16 bits */
diff --git a/src/H5Spoint.c b/src/H5Spoint.c
index 721211e3a7..694812520f 100644
--- a/src/H5Spoint.c
+++ b/src/H5Spoint.c
@@ -1413,6 +1413,9 @@ H5S__point_deserialize(H5S_t **space, const uint8_t **p)
     /* Decode version */
     UINT32DECODE(pp, version);
 
+    if(version < H5S_POINT_VERSION_1 || version > H5S_POINT_VERSION_LATEST)
+        HGOTO_ERROR(H5E_DATASPACE, H5E_BADVALUE, FAIL, "bad version number for point selection")
+
     if(version >= (uint32_t)H5S_POINT_VERSION_2)
         /* Decode size of point info */
         enc_size = *(pp)++;