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undefect. CWE-407 — 63 sites patched across 27 ecosystems

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Authors: russell@unturf.com · brackishbert@gmail.com · foxhop.net · TimeHexOn.com

Patches, unit tests, benchmarks, whitepaper, and outreach briefs.
Public domain — no copyright claimed. Use freely.
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russell@unturf.com 2026-03-26 17:11:57 -04:00
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test/jdk/java/net/ipv6tests/BadIPv6Addresses.java Normal file
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/*
* Copyright (c) 2007, 2013, 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 4742177 8019834
* @summary Re-test IPv6 (and specifically MulticastSocket) with latest Linux & USAGI code
*/
import java.net.*;
import java.util.*;
public class BadIPv6Addresses {
public static void main(String[] args) throws Exception {
String[] badAddresses = new String[] {
"0:1:2:3:4:5:6:7:8", // too many :
"0:1:2:3:4:5:6", // not enough :
"0:1:2:3:4:5:6:x", // bad digits
"0:1:2:3:4:5:6::7", // adjacent :
"0:1:2:3:4:5:6:789abcdef", // too many digits
"0:1:2:3::x", // compressed, bad digits
"0:1:2:::3", // compressed, too many adjacent :
"0:1:2:3::abcde", // compressed, too many digits
"0:1", // compressed, not enough :
"0:0:0:0:0:x:10.0.0.1", // with embeded ipv4, bad ipv6 digits
"0:0:0:0:0:0:10.0.0.x", // with embeded ipv4, bad ipv4 digits
"0:0:0:0:0::0:10.0.0.1", // with embeded ipv4, adjacent :
"0:0:0:0:0:fffff:10.0.0.1", // with embeded ipv4, too many ipv6 digits
"0:0:0:0:0:0:0:10.0.0.1", // with embeded ipv4, too many :
"0:0:0:0:0:10.0.0.1", // with embeded ipv4, not enough :
"0:0:0:0:0:0:10.0.0.0.1", // with embeded ipv4, too many .
"0:0:0:0:0:0:10.0.1", // with embeded ipv4, not enough .
"0:0:0:0:0:0:10..0.0.1", // with embeded ipv4, adjacent .
"::fffx:192.168.0.1", // with compressed ipv4, bad ipv6 digits
"::ffff:192.168.0.x", // with compressed ipv4, bad ipv4 digits
":::ffff:192.168.0.1", // with compressed ipv4, too many adjacent :
"::fffff:192.168.0.1", // with compressed ipv4, too many ipv6 digits
"::ffff:1923.168.0.1", // with compressed ipv4, too many ipv4 digits
":ffff:192.168.0.1", // with compressed ipv4, not enough :
"::ffff:192.168.0.1.2", // with compressed ipv4, too many .
"::ffff:192.168.0", // with compressed ipv4, not enough .
"::ffff:192.168..0.1" // with compressed ipv4, adjacent .
};
List<String> failedAddrs = new ArrayList<String>();
for (String addrStr : badAddresses) {
try {
InetAddress addr = InetAddress.getByName(addrStr);
// it is an error if no exception
failedAddrs.add(addrStr);
} catch (UnknownHostException e) {
// expected
}
}
if (failedAddrs.size() > 0) {
System.out.println("We should reject following ipv6 addresses, but we didn't:");
for (String addr : failedAddrs) {
System.out.println("\t" + addr);
}
throw new RuntimeException("Test failed.");
}
}
}