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January 14, 2020
The full version string for this update release is 11.0.6+8 (where "+" means "build"). The version number is 11.0.6.
JDK 11.0.6 contains IANA time zone data version 2019c. For more information, refer to Timezone Data Versions in the JRE Software.
The security baselines for the Java Runtime Environment (JRE) at the time of the release of JDK 11.0.6 are specified in the following table:
|JRE Family Version||JRE Security Baseline (Full Version String)|
Oracle recommends that the JDK is updated with each Critical Patch Update (CPU). In order to determine if a release is the latest, the Security Baseline page can be used to determine which is the latest version for each release family.
Critical patch updates, which contain security vulnerability fixes, are announced one year in advance on Critical Patch Updates, Security Alerts and Bulletins. It is not recommended that this JDK (version 11.0.6) be used after the next critical patch update scheduled for April 14, 2020.
➜ Allow SASL Mechanisms to Be Restricted
A security property named
jdk.sasl.disabledMechanisms has been added that can be used to disable SASL mechanisms. Any disabled mechanism will be ignored if it is specified in the
mechanisms argument of
Sasl.createSaslClient or the
mechanism argument of
Sasl.createSaslServer. The default value for this security property is empty, which means that no mechanisms are disabled out-of-the-box.
➜ SunPKCS11 Provider Upgraded with Support for PKCS#11 v2.40
The SunPKCS11 provider has been updated with support for PKCS#11 v2.40. This version adds support for more algorithms such as the AES/GCM/NoPadding cipher, DSA signatures using SHA-2 family of message digests, and RSASSA-PSS signatures when the corresponding PKCS11 mechanisms are supported by the underlying PKCS11 library.
➜ New Checks on Trust Anchor Certificates
New checks have been added to ensure that trust anchors are CA certificates and contain proper extensions. Trust anchors are used to validate certificate chains used in TLS and signed code. Trust anchor certificates must include a Basic Constraints extension with the cA field set to true. Also, if they include a Key Usage extension, the keyCertSign bit must be set.
A new system property named
jdk.security.allowNonCaAnchor has been introduced to restore the previous behavior, if necessary. If the property is set to the empty String or "true" (case-insensitive), trust anchor certificates can be used if they do not have proper CA extensions.
The default value of this property, if not set, is "false".
Note that the property does not apply to X.509 v1 certificates (since they don't support extensions).
This property is currently used by the JDK implementation. It is not guaranteed to be supported by other Java SE implementations.
JDK-8230318 (not public)
➜ Exact Match Required for Trusted TLS Server Certificate
A TLS server certificate must be an exact match of a trusted certificate on the client in order for it to be trusted when establishing a TLS connection.
JDK-8227758 (not public)
➜ Added LuxTrust Global Root 2 Certificate
The following root certificate has been added to the cacerts truststore:
+ LuxTrust + luxtrustglobalroot2ca DN: CN=LuxTrust Global Root 2, O=LuxTrust S.A., C=LU
➜ Added 4 Amazon Root CA Certificates
The following root certificates have been added to the cacerts truststore:
+ Amazon + amazonrootca1 DN: CN=Amazon Root CA 1, O=Amazon, C=US + amazonrootca2 DN: CN=Amazon Root CA 2, O=Amazon, C=US + amazonrootca3 DN: CN=Amazon Root CA 3, O=Amazon, C=US + amazonrootca4 DN: CN=Amazon Root CA 4, O=Amazon, C=US
➜ Turn off AOT by Default and Change Related Flags to Experimental
Following AOT support related flags have been made experimental:
AOTLibrary. Also default value of
UseAOT has been changed from enabled to disabled.
The following are some of the notable bug fixes included in this release:
➜ Memory Growth Issue in SunPKCS11 Fixed
A memory growth issue in the SunPKCS11 cryptographic provider that affects the NSS back-end has been fixed.
A system property,
sun.security.pkcs11.disableKeyExtraction has been introduced to disable the fix. A "
true" value disables the fix, while a "
false" value (default) keeps it enabled.
When enabled, PKCS#11 attributes of the NSS native keys are copied to Java byte buffers after key creation. Once used, NSS keys are destroyed and native heap space is freed up. If NSS keys are required again, they are recreated with the previously saved attributes.
Further information and implementation details can be found in the CSR: JDK-8213430
➜ Better Serial Filter Handling
jdk.serialFilter system property can only be set on the command line. If the filter has not been set on the command line, it can be set can be set with
java.io.ObjectInputFilter.Config.setSerialFilter. Setting the jdk.serialFilter with
java.lang.System.setProperty has no effect.
JDK-8231422 (not public)
This release also contains fixes for security vulnerabilities described in the Oracle Critical Patch Update. For a more complete list of the bug fixes included in this release, see the JDK 11.0.6 Bug Fixes page.