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Fedora 36: 2023-327768681a Critical Java 11 Security Fixes

fedora
Calendar Grey February 5, 2023
Dist Fedora Esm H88
Dive into the recent Fedora release for OpenJDK 11, highlighting essential security remedies and notable efficiency improvements.
# New in release [OpenJDK 11.0.18](https://mail.openjdk.org/pipermail/jdk-updates-dev/2023-January/020111.html) (2023-01-17) ## CVEs Fixed - CVE-2023-21835 - CVE-2023-21843 ## Se...

Summary

The OpenJDK 11 runtime environment.

# New in release [OpenJDK 11.0.18](https://mail.openjdk.org/pipermail/jdk-updates-dev/2023-January/020111.html) (2023-01-17) ##

CVEs Fixed - CVE-2023-21835 - CVE-2023-21843 ## Security Fixes -JDK-8286070: Improve UTF8 representation - JDK-8286496: Improve Thread labels

- JDK-8287411: Enhance DTLS performance - JDK-8288516: Enhance font creation

- JDK-8289350: Better media supports - JDK-8293554: Enhanced DH Key Exchanges

- JDK-8293598: Enhance InetAddress address handling - JDK-8293717: Objective

view of ObjectView - JDK-8293734: Improve BMP image handling - JDK-8293742:

Better Banking of Sounds - JDK-8295687: Better BMP bounds ## Major Changes

### JDK-8295687: Better BMP bounds Loading a linked ICC profile within a BMP

image is now disabled by default. To re-enable it, set the new system property

`sun.imageio.bmp.enabledLinkedProfiles` to `true`. This new property replaces

the old property, `sun.imageio.plugins.bmp.disableLinkedProfiles`. ###

JDK-8293742: Better Banking of Sounds Previously, the SoundbankReader

implementation, `com.sun.media.sound.JARSoundbankReader`, would download a JAR

soundbank from a URL. This behaviour is now disabled by default. To re-enable

it, set the new system property `jdk.sound.jarsoundbank` to `true`. ###

[JDK-8282730](https://bugs.openjdk.org/browse/JDK-8282730): New Implementation

Note for LoginModule on Removing Null from a Principals or Credentials Set Back

in OpenJDK 9, [JDK-8015081](https://bugs.openjdk.org/browse/JDK-8015081) changed

the `Set` implementation used to hold principals and credentials so that it

rejected `null` values. Attempts to call `add(null)`, `contains(null)` or

`remove(null)` were changed to throw a `NullPointerException`. However, the

`logout()` methods in the `LoginModule` implementations within the JDK were not

updated to check for `null` values, which may occur in the event of a failed

login. As a result, a `logout()` call may throw a `NullPointerException`. The

`LoginModule` implementations have now been updated with such checks and an

implementation note added to the specification to suggest that the same change

is made in third party modules. Developers of third party modules are advised

to verify that their `logout()` method does not throw a `NullPointerException`.

### JDK-8287411: Enhance DTLS performance The JDK now exchanges DTLS cookies

for all handshakes, new and resumed. The previous behaviour can be re-enabled by

setting the new system property `jdk.tls.enableDtlsResumeCookie` to `false`.

* Thu Jan 26 2023 Andrew Hughes - 1:11.0.18.0.10-1

- Update to jdk-11.0.18+10 (GA)

- Update release notes to 11.0.18+10

- Switch to GA mode for release

* Thu Jan 19 2023 Fedora Release Engineering - 1:11.0.18.0.9-0.1.ea.1

- Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild

* Thu Dec 29 2022 Andrew Hughes - 1:11.0.18.0.9-0.1.ea

- Update to jdk-11.0.18+9

- Update release notes to 11.0.18+9

- Drop local copy of JDK-8293834 now this is upstream

- Require tzdata 2022g due to inclusion of JDK-8296108, JDK-8296715 & JDK-8297804

- Update TestTranslations.java to test the new America/Ciudad_Juarez zone

* Thu Dec 15 2022 Andrew Hughes - 1:11.0.18.0.1-0.1.ea

- Update to jdk-11.0.18+1

- Update release notes to 11.0.18+1

- Switch to EA mode for 11.0.18 pre-release builds.

- Drop local copies of JDK-8294357 & JDK-8295173 now upstream contains tzdata 2022e

su -c 'dnf upgrade --advisory FEDORA-2023-327768681a' at the command

line. For more information, refer to the dnf documentation available at

https://dnf.readthedocs.io/en/latest/command_ref.html

All packages are signed with the Fedora Project GPG key. More details on the

GPG keys used by the Fedora Project can be found at

https://fedoraproject.org/security/

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Change Log

References

Update Instructions

Severity
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Product: Fedora 36
Version: 11.0.18.0.10
Release: 1.fc36
Summary: OpenJDK 11 Runtime Environment

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