Что такое java 8 update 51 64 bit

Java Runtime Environment (64bit) 8 Update 51

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The Java Runtime Environment (JRE) is an essential software package developed by Oracle Corporation that enables the execution of Java applications on various devices and systems. Serving as a critical component of the Java Platform, the JRE plays a pivotal role in supporting a wide range of applications, from web applets to standalone desktop programs.

JRE comprises a set of libraries, class libraries, and other essential files that are required to run Java applications efficiently and securely. It acts as a virtual machine, providing a platform-independent environment for Java bytecode to run seamlessly across different operating systems.

One of the JRE’s key advantages is its ability to ensure platform independence, allowing developers to write Java code once and run it anywhere, reducing the need for extensive code modification for different environments. Furthermore, the JRE incorporates automatic memory management, garbage collection, and security mechanisms to protect against potential threats and provide a secure runtime environment.

As technology evolves, the JRE continues to adapt, offering regular updates and improvements to enhance performance and security. Developers and users alike rely on Java Runtime Environment to unlock the full potential of Java applications across diverse computing environments.

Key Features:

• Java Virtual Machine (JVM) for cross-platform execution.
• Extensive Java Class Library (Java API).
• Strong security measures.
• Automatic garbage collection for memory management.
• Support for multi-threading.
• «Write Once, Run Anywhere» portability.
• Just-In-Time (JIT) compiler for improved performance.
• Easy deployment and auto-update capabilities.
• Monitoring and management tools for application performance.

Что такое java 8 update 51 64 bit

The following sections summarize changes made in all Java SE 8u51 BPRs. Bug fixes and any other changes are listed below in date order, most current BPR first. Note that bug fixes in previous BPR are also included in the current BPR.

To determine the version of your JDK software, use the following command:

Changes in Java SE 8u51 b34

Bug Fixes

BugId	Component	Subcomponent	Summary
8067422	tools	javac	Lambda method names are unnecessarily unstable

Changes in Java SE 8u51 b31

Please note that fixes from the prior BPR (8u45 b37) are included in this BPR.

Java™ SE Development Kit 8, Update 51 (JDK 8u51)

The full version string for this update release is 1.8.0_51-b16 (where «b» means «build»). The version number is 8u51.

Highlights

This update release contains several enhancements and changes including the following:

IANA Data 2015d

JDK 8u51 contains IANA time zone data version 2015d. For more information, refer to Timezone Data Versions in the JRE Software.

Security Baselines

The security baselines for the Java Runtime Environment (JRE) at the time of the release of JDK 8u51 are specified in the following table:

JRE Family Version	JRE Security Baseline (Full Version String)
8	1.8.0_51
7	1.7.0_85
6	1.6.0_101

JRE Expiration Date

The JRE expires whenever a new release with security vulnerability fixes becomes available. Critical patch updates, which contain security vulnerability fixes, are announced one year in advance on Critical Patch Updates, Security Alerts and Third Party Bulletin. This JRE (version 8u51) will expire with the release of the next critical patch update scheduled for October 20, 2015.

For systems unable to reach the Oracle Servers, a secondary mechanism expires this JRE (version 8u51) on November 20, 2015. After either condition is met (new release becoming available or expiration date reached), the JRE will provide additional warnings and reminders to users to update to the newer version. For more information, see JRE Expiration Date.

New Features and Changes

Ephemeral DH keys less than 768 bits deactivated
Ephemeral DH keys less than 768 bits are deactivated in JDK. New algorithm restriction DH keySize < 768 is added to Security Property jdk.tls.disabledAlgorithms .

JDK-8076328 (not public).

Operating system’s restricted environment (Native Sandbox)

JDK 8u51 introduced the following changes to Native Sandbox:

• Native sandbox is available on Windows platform only.
• Native sandbox can be enabled or disabled through Java Control Panel->Advanced settings->Enable the operating system’s restricted environment (native sandbox) or by setting deployment.security.use.native.sandbox property to true in deployment.properties file. Native sandbox is disabled by default.
• When native sandbox is enabled, the sandbox applets or web-start applications will run in a restricted environment, that is provided by the operating system. This will not affect the all-permission applications and they will continue to run as before.
• Native sandbox will be disabled for applications included the in Exception Site List (ESL) or when Deployment Rule Set (DRS) is used.
• Sandbox applets deployed with HTML applet tag which includes all-permissions JAR files from the Class-Path manifest attribute, will run in native sandbox. In such cases, a special warning dialog will display, informing the user that the applet may not work properly, when such an applet tries to access the all-permission JAR files.
• Custom preloader will be disabled in certain cases when native sandbox is enabled:
  • Custom preloader will be disabled when sandbox applets or web-start applications are initializing and the default preloader will be used instead. After application is initialized, Java VM restarts with native sandbox enabled and the custom preloader will be used.
  • For all-permission applications, custom preloader will be disabled if it is located in the JNLP file with sandbox permission, until user agrees to run application from the Security Dialog, which grants unrestricted access (privileged) to application.

  Bug Fixes

  This release contains fixes for security vulnerabilities. For more information, see Oracle Critical Patch Update Advisory.

  The following are some of the notable bug fixes included in this release:

  Area: security-libs/java.security
  Synopsis: Add new Comodo roots to root CAs

  Four new root certificates have been added for Commodo:

   1. COMODO ECC Certification Authority alias: comodoeccca DN: CN=COMODO ECC Certification Authority, O=COMODO CA Limited, L=Salford, ST=Greater Manchester, C=GB 2. COMODO RSA Certification Authority alias: comodorsaca DN: CN=COMODO RSA Certification Authority, O=COMODO CA Limited, L=Salford, ST=Greater Manchester, C=GB 3. USERTrust ECC Certification Authority alias: usertrusteccca DN: CN=USERTrust ECC Certification Authority, O=The USERTRUST Network, L=Jersey City, ST=New Jersey, C=US 4. USERTrust RSA Certification Authority alias: usertrustrsaca DN: CN=USERTrust RSA Certification Authority, O=The USERTRUST Network, L=Jersey City, ST=New Jersey, C=US 

  JDK-8077652 (not public)

  Area: security-libs/java.security
  Synopsis: Add new GlobalSign roots to root CAs

  Two root certificates have been added for GlobalSign:

   1. GlobalSign ECC Root CA - R4 alias: globalsigneccrootcar4 DN: CN=GlobalSign, O=GlobalSign, OU=GlobalSign ECC Root CA - R4 2. GlobalSign ECC Root CA - R5 alias: globalsigneccrootcar5 DN: CN=GlobalSign, O=GlobalSign, OU=GlobalSign ECC Root CA - R5 

  JDK-8077653 (not public)

  Area: security-libs/java.security
  Synopsis: Add Actalis to root CAs

  Added one new root certificate:

  Actalis Authentication Root CA alias: actalisauthenticationrootca DN: CN=Actalis Authentication Root CA, O=Actalis S.p.A./03358520967, L=Milan, C=IT 

  JDK-8077651 (not public)

  Area: security-libs/java.security
  Synopsis: Add new Entrust ECC root

  Added one new root certificate:

  Entrust Root Certification Authority - EC1 alias: entrustrootcaec1 DN: CN=Entrust Root Certification Authority - EC1, OU="(c) 2012 Entrust, Inc. - for authorized use only", OU=See www.entrust.net/legal-terms, O="Entrust, Inc.", C=US 

  JDK-8072961 (not public)

  Area: security-libs/java.security
  Synopsis: Remove old Valicert Class 1 and 2 Policy roots

  Removed two root certificates with 1024-bit keys:

   1. ValiCert Class 1 Policy Validation Authority alias: secomvalicertclass1ca DN: EMAILADDRESS=info@valicert.com, CN=http://www.valicert.com/, OU=ValiCert Class 1 Policy Validation Authority, O="ValiCert, Inc.", L=ValiCert Validation Network 2. ValiCert Class 2 Policy Validation Authority alias: valicertclass2ca DN: EMAILADDRESS=info@valicert.com, CN=http://www.valicert.com/, OU=ValiCert Class 2 Policy Validation Authority, O="ValiCert, Inc.", L=ValiCert Validation Network 

  JDK-8077354 (not public)

  Area: security-libs/java.security
  Synopsis: Remove old Thawte roots

  Removed two root certificates with 1024-bit keys:

  1. Thawte Server CA alias: thawteserverca DN: EMAILADDRESS=server-certs@thawte.com, CN=Thawte Server CA, OU=Certification Services Division, O=Thawte Consulting cc, L=Cape Town, ST=Western Cape, C=ZA 2. Thawte Personal Freemail CA alias: thawtepersonalfreemailca DN: EMAILADDRESS=personal-freemail@thawte.com, CN=Thawte Personal Freemail CA, OU=Certification Services Division, O=Thawte Consulting, L=Cape Town, ST=Western Cape, C=ZA 

  JDK-8073271 (not public)

  Area: security-libs/java.security
  Synopsis: Remove more old Verisign, Equifax, and Thawte roots

  Removed five root certificates with 1024-bit keys:

   1. Verisign Class 3 Public Primary Certification Authority - G2 alias: verisignclass3g2ca DN: OU=VeriSign Trust Network, OU="(c) 1998 VeriSign, Inc. - For authorized use only", OU=Class 3 Public Primary Certification Authority - G2, O="VeriSign, Inc.", C=US 2. Thawte Premium Server CA alias: thawtepremiumserverca DN: EMAILADDRESS=premium-server@thawte.com, CN=Thawte Premium Server CA, OU=Certification Services Division, O=Thawte Consulting cc, L=Cape Town, ST=Western Cape, C=ZA 3. Equifax Secure Certificate Authority alias: equifaxsecureca DN: OU=Equifax Secure Certificate Authority, O=Equifax, C=US 4. Equifax Secure eBusiness CA-1 alias: equifaxsecureebusinessca1 DN: CN=Equifax Secure eBusiness CA-1, O=Equifax Secure Inc., C=US 5. Equifax Secure Global eBusiness CA-1, alias: equifaxsecureglobalebusinessca1 DN: CN=Equifax Secure Global eBusiness CA-1, O=Equifax Secure Inc., C=US 

  JDK-8075091 (not public)

  Area: security-libs/java.security
  Synopsis: Remove TrustCenter CA roots from cacerts

  Removed three root certificates:

   1. TC TrustCenter Universal CA I alias: trustcenteruniversalcai DN: CN=TC TrustCenter Universal CA I, OU=TC TrustCenter Universal CA, O=TC TrustCenter GmbH, C=DE 2. TC TrustCenter Class 2 CA II alias: trustcenterclass2caii DN: CN=TC TrustCenter Class 2 CA II, OU=TC TrustCenter Class 2 CA, O=TC TrustCenter GmbH, C=DE 3. TC TrustCenter Class 4 CA II alias: trustcenterclass4caii DN: CN=TC TrustCenter Class 4 CA II, OU=TC TrustCenter Class 4 CA, O=TC TrustCenter GmbH, C=DE 

  JDK-8071699 (not public)

  Area: security-libs/javax.net.ssl
  Synopsis: Deprecate RC4 in SunJSSE provider

  RC4 is now considered as a weak cipher. Servers should not select RC4 unless there is no other stronger candidate in the client requested cipher suites. A new security property, jdk.tls.legacyAlgorithms , is added to define the legacy algorithms in Oracle JSSE implementation. RC4 related algorithms are added to the legacy algorithms list.

  JDK-8043201 (not public)

  Area: security-libs/javax.net.ssl
  Synopsis: Prohibit RC4 cipher suites

  RC4 is now considered as a compromised cipher. RC4 cipher suites have been removed from both client and server default enabled cipher suite list in Oracle JSSE implementation. These cipher suites can still be enabled by SSLEngine.setEnabledCipherSuites() and SSLSocket.setEnabledCipherSuites() methods.

  JDK-8043202 (not public)

  Area: security-libs/javax.net.ssl
  Synopsis: Improved certification checking

  With this fix, JSSE endpoint identification does not perform reverse name lookup for IP addresses by default in JDK.

  If an application does need to perform reverse name lookup for raw IP addresses in SSL/TLS connections, and encounter endpoint identification compatibility issue, System property «jdk.tls.trustNameService» can be used to switch on reverse name lookup. Note that if the name service is not trustworthy, enabling reverse name lookup may be susceptible to MITM attacks.

  JDK-8067694 (not public)

  Bug Fix List

  BugId	Component	Subcomponent	Summary
  JDK-8071668	client-libs	java.awt	[macosx] Clipboard does not work with 3rd parties Clipboard Managers
  JDK-8077685	core-libs	java.util:i18n	(tz) Support tzdata2015d
  JDK-8075602	deploy	Applet throws java.security AccessControlException in java console when playing it
  JDK-8079223	deploy	unnecessary performance degradation caused by fix to JDK-8052111
  JDK-8069161	deploy	plugin	Slow cache performance since JRE 7u06
  JDK-8076343	deploy	plugin	JNLP property apple.laf.useScreenMenuBar no longer treated as secure for Mac OS
  JDK-8071897	deploy	webstart	JRE 8U25 and 8u31 b32 cannot launch Java Web Start with proxy pac but works fine for 7u67
  JDK-8078815	deploy	webstart	Launching of jnlp app fails with JNLPException
  JDK-8035938	hotspot	jvmti	Memory leak in JvmtiEnv::GetConstantPool
  JDK-8064546	security-libs	javax.crypto	CipherInputStream throws BadPaddingException if stream is not fully read
  JDK-8078439	security-libs	org.ietf.jgss	SPNEGO auth fails if client proposes MS krb5 OID
  JDK-8073357	xml	jaxb	schema1.xsd has wrong content. Sequence of the enum values has been changed
  JDK-8073385	xml	jaxp	Bad error message on parsing illegal character in XML attribute
  JDK-8074297	xml	jaxp	substring in XSLT returns wrong character if string contains supplementary chars

  Known Issues

  Area: deploy/plugin
  Synopsis: Java issue with Firefox 38, long delay with MyD loading

  Java Plugin is unable to obtain proxy settings from Firefox 38 due to a bug in Mozilla framework. It may cause a long delay during RIA start up or can even cause start up failures. See the related issue:

  According to Mozilla, Firefox 39 will contain a fix for this problem.

  • Use another supported browser
  • Downgrade browser to Firefox 37
  • Specify proxy settings in JCP (NOT in «Browser settings»)

  JDK-8081459 (not public)

  Area: deploy
  Synopsis: JNLP files won’t launch from IE11 on Windows 10 Creators Update

  Web-start applications cannot be launched when clicking JNLP link from IE 11 on Windows 10 Creators Update when 64-bit JRE is installed. Workaround is to uninstall 64-bit JRE and use only 32-bit JRE.

  Что такое java 8 update 51 64 bit

  The JDK is a development environment for building applications using the Java programming language.

  The JDK includes tools useful for developing and testing programs written in the Java programming language and running on the Java TM platform.

  WARNING: These older versions of the JRE and JDK are provided to help developers debug issues in older systems. They are not updated with the latest security patches and are not recommended for use in production.

  These Java SE 8 update releases are provided under the Binary Code License (“BCL”).

  For production use Oracle recommends downloading the latest JDK and JRE versions and allowing auto-update.

  Only developers and Enterprise administrators should download these releases.

  Downloading these releases requires an oracle.com account. If you don’t have an oracle.com account you can use the links on the top of this page to learn more about it and register for one for free.

  Java для Windows 8 Update 51

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