--- old/src/java.base/share/classes/com/sun/java/util/jar/pack/PropMap.java	2017-05-04 13:29:49.000000000 -0700
+++ new/src/java.base/share/classes/com/sun/java/util/jar/pack/PropMap.java	2017-05-04 13:29:49.000000000 -0700
@@ -29,6 +29,8 @@
 import java.io.InputStream;
 import java.io.PrintStream;
 import java.io.PrintWriter;
+import java.security.AccessController;
+import java.security.PrivilegedAction;
 import java.util.ArrayList;
 import java.util.Collection;
 import java.util.Comparator;
@@ -62,12 +64,17 @@
         Properties props = new Properties();
 
         // Allow implementation selected via -Dpack.disable.native=true
+        String propValue = getPropertyValue(Utils.DEBUG_DISABLE_NATIVE, "false");
         props.put(Utils.DEBUG_DISABLE_NATIVE,
-                  String.valueOf(Boolean.getBoolean(Utils.DEBUG_DISABLE_NATIVE)));
+                  String.valueOf(Boolean.parseBoolean(propValue)));
 
         // Set the DEBUG_VERBOSE from system
-        props.put(Utils.DEBUG_VERBOSE,
-                  String.valueOf(Integer.getInteger(Utils.DEBUG_VERBOSE,0)));
+        int verbose = 0;
+        try {
+            verbose = Integer.decode(getPropertyValue(Utils.DEBUG_VERBOSE, "0"));
+        } catch (NumberFormatException e) {
+        }
+        props.put(Utils.DEBUG_VERBOSE, String.valueOf(verbose));
 
         // The segment size is unlimited
         props.put(Pack200.Packer.SEGMENT_LIMIT, "-1");
@@ -87,7 +94,7 @@
         // Pass through files with unrecognized format by default, also
         // allow system property to be set
         props.put(Utils.CLASS_FORMAT_ERROR,
-                System.getProperty(Utils.CLASS_FORMAT_ERROR, Pack200.Packer.PASS));
+                  getPropertyValue(Utils.CLASS_FORMAT_ERROR, Pack200.Packer.PASS));
 
         // Default effort is 5, midway between 1 and 9.
         props.put(Pack200.Packer.EFFORT, "5");
@@ -97,7 +104,9 @@
         // to allow override if necessary.
         String propFile = "intrinsic.properties";
 
-        try (InputStream propStr = PackerImpl.class.getResourceAsStream(propFile)) {
+        PrivilegedAction<InputStream> pa =
+            () -> PackerImpl.class.getResourceAsStream(propFile);
+        try (InputStream propStr = AccessController.doPrivileged(pa)) {
             if (propStr == null) {
                 throw new RuntimeException(propFile + " cannot be loaded");
             }
@@ -119,6 +128,12 @@
         defaultProps = temp;
     }
 
+    private static String getPropertyValue(String key, String defaultValue) {
+        PrivilegedAction<String> pa = () -> System.getProperty(key);
+        String s = AccessController.doPrivileged(pa);
+        return s != null ? s : defaultValue;
+    }
+
     PropMap() {
         theMap.putAll(defaultProps);
     }
--- /dev/null	2017-05-04 13:29:50.000000000 -0700
+++ new/test/java/util/jar/Pack200/SecurityTest.java	2017-05-04 13:29:50.000000000 -0700
@@ -0,0 +1,39 @@
+/*
+ * Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+/**
+ * @test
+ * @bug 8179645
+ * @run main/othervm SecurityTest
+ * @summary Verify Pack200 initialization with security manager
+ */
+
+import java.util.jar.Pack200;
+
+public class SecurityTest {
+    public static void main(String... args) {
+        System.setSecurityManager(new SecurityManager());
+        Pack200.newPacker();
+        Pack200.newUnpacker();
+    }
+}