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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.
This commit is contained in:
russell@unturf.com 2026-03-26 17:11:57 -04:00
commit 0a580b313d
70422 changed files with 17213626 additions and 0 deletions
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43
test/jdk/java/net/URLDecoder/B6463990.java Normal file
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/*
* Copyright (c) 2006, 2020, 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 6463990
* @summary java.net.URLDecoder.decode accepts negative hex numbers %-1 to %-f
*/
import java.net.URLDecoder;
public class B6463990 {
public static void main(String[] args) {
boolean except = false;
try {
String s = URLDecoder.decode("%-1", "iso-8859-1");
System.out.println((int) s.charAt(0));
} catch (Exception e) {
except = true;
}
if (!except)
throw new RuntimeException("IllegalArgumentException not thrown!");
}
}

37
test/jdk/java/net/URLDecoder/EncodeDecode.java Normal file
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/*
* Copyright (c) 2001, 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 4402326
* @summary URLDecoder fails with certain input
*/
import java.net.*;
public class EncodeDecode {
public static void main(String[] args) {
String str = "fds@$";
String encStr = URLEncoder.encode(str);
String decStr = URLDecoder.decode(encStr);
}
}

122
test/jdk/java/net/URLDecoder/EncodingTest.java Normal file
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/*
* 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.
*/
import java.net.URLDecoder;
import java.net.URLEncoder;
import java.nio.charset.StandardCharsets;
import org.testng.Assert;
import org.testng.annotations.DataProvider;
import org.testng.annotations.Test;
/**
* @test
* @bug 8183743
* @summary Test to verify the new overload method with Charset functions the
* same as the existing method that takes a charset name.
* @run testng EncodingTest
*/
public class EncodingTest {
public static enum ParameterType {
STRING,
CHARSET
}
@DataProvider(name = "illegalArgument")
public Object[][] getParameters() {
return new Object[][]{
{ParameterType.STRING},
{ParameterType.CHARSET}
};
}
@DataProvider(name = "decode")
public Object[][] getDecodeParameters() {
return new Object[][]{
{"The string \u00FC@foo-bar"},
// the string from javadoc example
{""}, // an empty string
{"x"}, // a string of length 1
{"abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789_-.*"},
// the string of characters should remain the same
{charactersRange('\u0000', '\u007F')},
// a string of characters from 0 to 127
{charactersRange('\u0080', '\u00FF')},
// a string of characters from 128 to 255
{"\u0100 \u0101 \u0555 \u07FD \u07FF"},
// a string of Unicode values can be expressed as 2 bytes
{"\u8000 \u8001 \uA000 \uFFFD \uFFFF"}, // a string of Unicode values can be expressed as 3 bytes
};
}
/**
* Verifies that IAE is thrown when decoding an invalid string using the
* existing method or the new overload method.
*
* @param type the type of the argument, e.g a String charset name or
* charset
*/
@Test(dataProvider = "illegalArgument", expectedExceptions = IllegalArgumentException.class)
public void testIllegalArgument(ParameterType type) throws Exception {
String encoded = URLEncoder.encode("http://www.xyz.com/find?key=\u0100\u0101",
StandardCharsets.UTF_8.name());
String illegal = "%" + encoded;
String returned;
if (type == ParameterType.STRING) {
returned = URLDecoder.decode(illegal, StandardCharsets.UTF_8.name());
} else {
returned = URLDecoder.decode(illegal, StandardCharsets.UTF_8);
}
}
/**
* Verifies that the returned values of decoding with the existing
* and the overload methods match.
*
* @param s the string to be encoded and then decoded with both existing
* and the overload methods.
* @throws Exception
*/
@Test(dataProvider = "decode")
public void decode(String s) throws Exception {
String encoded = URLEncoder.encode(s, StandardCharsets.UTF_8.name());
String returned1 = URLDecoder.decode(encoded, StandardCharsets.UTF_8.name());
String returned2 = URLDecoder.decode(encoded, StandardCharsets.UTF_8);
Assert.assertEquals(returned1, returned2);
}
String charactersRange(char c1, char c2) {
StringBuilder sb = new StringBuilder(c2 - c1);
for (char c = c1; c < c2; c++) {
sb.append(c);
}
return sb.toString();
}
}

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test/jdk/java/net/URLDecoder/URLDecoderArgs.java Normal file
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/*
* Copyright (c) 2001, 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 4444194 8190577
* @summary java.net.URLDecoder.decode(s, enc) treats an empty encoding name as "UTF-8"
*/
import java.net.URLDecoder;
import java.io.UnsupportedEncodingException;
public class URLDecoderArgs {
public static void main (String[] args) {
try {
String s1 = URLDecoder.decode ("Hello World", (String)null);
} catch (UnsupportedEncodingException e) {
throw new RuntimeException ("NPE should have been thrown");
} catch (NullPointerException e) {
try {
String s2 = URLDecoder.decode ("Hello World", "");
} catch (UnsupportedEncodingException ee) {
return;
}
throw new RuntimeException ("empty string was accepted as encoding name");
}
throw new RuntimeException ("null reference was accepted as encoding name");
}
}