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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
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37
test/jdk/sun/security/util/BitArray/EmptyBitArray.java Normal file
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/*
* Copyright (c) 2019, 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 8234377
* @summary new BitArray(0).toString() throws ArrayIndexOutOfBoundsException
* @modules java.base/sun.security.util
*/
import sun.security.util.BitArray;
public class EmptyBitArray {
public static void main(String[] args) {
new BitArray(0).toString();
}
}

111
test/jdk/sun/security/util/BitArray/NamedBitList.java Normal file
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/*
* Copyright (c) 2006, 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
* @author Weijun Wang
* @bug 4654195
* @summary BIT STRING types with named bits must remove trailing 0 bits
* @modules java.base/sun.security.util
* java.base/sun.security.x509
*/
import sun.security.util.BitArray;
import sun.security.util.DerOutputStream;
import sun.security.util.DerValue;
import sun.security.x509.DNSName;
import sun.security.x509.DistributionPoint;
import sun.security.x509.GeneralName;
import sun.security.x509.GeneralNames;
import sun.security.x509.KeyUsageExtension;
import sun.security.x509.NetscapeCertTypeExtension;
import sun.security.x509.ReasonFlags;
public class NamedBitList {
public static void main(String[] args) throws Exception {
boolean[] bb = (new boolean[] {true, false, true, false, false, false});
GeneralNames gns = new GeneralNames();
gns.add(new GeneralName(new DNSName("dns")));
DerOutputStream out;
// length should be 5 since only {T,F,T} should be encoded
KeyUsageExtension x1 = new KeyUsageExtension(bb);
check(new DerValue(x1.getExtensionValue()).getUnalignedBitString().length(), 3);
NetscapeCertTypeExtension x2 = new NetscapeCertTypeExtension(bb);
check(new DerValue(x2.getExtensionValue()).getUnalignedBitString().length(), 3);
ReasonFlags r = new ReasonFlags(bb);
out = new DerOutputStream();
r.encode(out);
check(new DerValue(out.toByteArray()).getUnalignedBitString().length(), 3);
// Read sun.security.x509.DistributionPoint for ASN.1 definition
DistributionPoint dp = new DistributionPoint(gns, bb, gns);
out = new DerOutputStream();
dp.encode(out);
DerValue v = new DerValue(out.toByteArray());
// skip distributionPoint
v.data.getDerValue();
// read reasons
DerValue v2 = v.data.getDerValue();
// reset to BitString since it's context-specfic[1] encoded
v2.resetTag(DerValue.tag_BitString);
// length should be 5 since only {T,F,T} should be encoded
check(v2.getUnalignedBitString().length(), 3);
BitArray ba;
ba = new BitArray(new boolean[] {false, false, false});
check(ba.length(), 3);
ba = ba.truncate();
check(ba.length(), 1);
ba = new BitArray(new boolean[] {
true, true, true, true, true, true, true, true,
false, false});
check(ba.length(), 10);
check(ba.toByteArray().length, 2);
ba = ba.truncate();
check(ba.length(), 8);
check(ba.toByteArray().length, 1);
ba = new BitArray(new boolean[] {
true, true, true, true, true, true, true, true,
true, false});
check(ba.length(), 10);
check(ba.toByteArray().length, 2);
ba = ba.truncate();
check(ba.length(), 9);
check(ba.toByteArray().length, 2);
}
static void check(int la, int lb) throws Exception {
if (la != lb) {
System.err.println("Length is " + la + ", should be " + lb);
throw new Exception("Encoding Error");
} else {
System.err.println("Correct, which is " + lb);
}
}
}