RHSA-2020:4307: Moderate: java-11-openjdk security update

Published Oct 22, 2020
·
Updated

The java-11-openjdk packages provide the OpenJDK 11 Java Runtime Environment and the OpenJDK 11 Java Software Development Kit.Security Fix(es): OpenJDK: Credentials sent over unencrypted LDAP connection (JNDI, 8237990) (CVE-2020-14781) OpenJDK: Certificate blacklist bypass via alternate certificate encodings (Libraries, 8237995) (CVE-2020-14782) OpenJDK: Integer overflow leading to out-of-bounds access (Hotspot, 8241114) (CVE-2020-14792) OpenJDK: Incomplete check for invalid characters in URI to path conversion (Libraries, 8242685) (CVE-2020-14797) OpenJDK: Race condition in NIO Buffer boundary checks (Libraries, 8244136) (CVE-2020-14803) OpenJDK: High memory usage during deserialization of Proxy class with many interfaces (Serialization, 8236862) (CVE-2020-14779) OpenJDK: Missing permission check in path to URI conversion (Libraries, 8242680) (CVE-2020-14796) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Affected Software

30 affected componentsFixes available
redhat/java<11-openjdk-11.0.9.11-0.el7_9
11-openjdk-11.0.9.11-0.el7_9
redhat/java<11-openjdk-11.0.9.11-0.el7_9
11-openjdk-11.0.9.11-0.el7_9
redhat/java<11-openjdk-debuginfo-11.0.9.11-0.el7_9
11-openjdk-debuginfo-11.0.9.11-0.el7_9
redhat/java<11-openjdk-debuginfo-11.0.9.11-0.el7_9
11-openjdk-debuginfo-11.0.9.11-0.el7_9
redhat/java<11-openjdk-demo-11.0.9.11-0.el7_9
11-openjdk-demo-11.0.9.11-0.el7_9
redhat/java<11-openjdk-demo-11.0.9.11-0.el7_9
11-openjdk-demo-11.0.9.11-0.el7_9
redhat/java<11-openjdk-devel-11.0.9.11-0.el7_9
11-openjdk-devel-11.0.9.11-0.el7_9
redhat/java<11-openjdk-devel-11.0.9.11-0.el7_9
11-openjdk-devel-11.0.9.11-0.el7_9
redhat/java<11-openjdk-headless-11.0.9.11-0.el7_9
11-openjdk-headless-11.0.9.11-0.el7_9
redhat/java<11-openjdk-headless-11.0.9.11-0.el7_9
11-openjdk-headless-11.0.9.11-0.el7_9
redhat/java<11-openjdk-javadoc-11.0.9.11-0.el7_9
11-openjdk-javadoc-11.0.9.11-0.el7_9
redhat/java<11-openjdk-javadoc-11.0.9.11-0.el7_9
11-openjdk-javadoc-11.0.9.11-0.el7_9
redhat/java<11-openjdk-javadoc-zip-11.0.9.11-0.el7_9
11-openjdk-javadoc-zip-11.0.9.11-0.el7_9
redhat/java<11-openjdk-javadoc-zip-11.0.9.11-0.el7_9
11-openjdk-javadoc-zip-11.0.9.11-0.el7_9
redhat/java<11-openjdk-jmods-11.0.9.11-0.el7_9
11-openjdk-jmods-11.0.9.11-0.el7_9
redhat/java<11-openjdk-jmods-11.0.9.11-0.el7_9
11-openjdk-jmods-11.0.9.11-0.el7_9
redhat/java<11-openjdk-src-11.0.9.11-0.el7_9
11-openjdk-src-11.0.9.11-0.el7_9
redhat/java<11-openjdk-src-11.0.9.11-0.el7_9
11-openjdk-src-11.0.9.11-0.el7_9
redhat/java<11-openjdk-static-libs-11.0.9.11-0.el7_9
11-openjdk-static-libs-11.0.9.11-0.el7_9
redhat/java<11-openjdk-static-libs-11.0.9.11-0.el7_9
11-openjdk-static-libs-11.0.9.11-0.el7_9
redhat/java<11-openjdk-11.0.9.11-0.el7_9
11-openjdk-11.0.9.11-0.el7_9
redhat/java<11-openjdk-debuginfo-11.0.9.11-0.el7_9
11-openjdk-debuginfo-11.0.9.11-0.el7_9
redhat/java<11-openjdk-demo-11.0.9.11-0.el7_9
11-openjdk-demo-11.0.9.11-0.el7_9
redhat/java<11-openjdk-devel-11.0.9.11-0.el7_9
11-openjdk-devel-11.0.9.11-0.el7_9
redhat/java<11-openjdk-headless-11.0.9.11-0.el7_9
11-openjdk-headless-11.0.9.11-0.el7_9
redhat/java<11-openjdk-javadoc-11.0.9.11-0.el7_9
11-openjdk-javadoc-11.0.9.11-0.el7_9
redhat/java<11-openjdk-javadoc-zip-11.0.9.11-0.el7_9
11-openjdk-javadoc-zip-11.0.9.11-0.el7_9
redhat/java<11-openjdk-jmods-11.0.9.11-0.el7_9
11-openjdk-jmods-11.0.9.11-0.el7_9
redhat/java<11-openjdk-src-11.0.9.11-0.el7_9
11-openjdk-src-11.0.9.11-0.el7_9
redhat/java<11-openjdk-static-libs-11.0.9.11-0.el7_9
11-openjdk-static-libs-11.0.9.11-0.el7_9

Remediation

Event History

Mar 1, 2026
Advisory Published
via Red Hat·12:24 AM
Data Sourced
via Red Hat·12:24 AM
RemedyDescriptionAffected Software
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Frequently Asked Questions

1

What is the severity of RHSA-2020:4307?

The severity of RHSA-2020:4307 is classified as important due to vulnerabilities in OpenJDK that can expose credentials over unencrypted connections.

2

How do I fix RHSA-2020:4307?

To fix RHSA-2020:4307, update the java-11-openjdk package to version 11-openjdk-11.0.9.11-0.el7_9 or later.

3

What vulnerabilities are addressed in RHSA-2020:4307?

RHSA-2020:4307 addresses vulnerabilities such as CVE-2020-14781, involving credentials sent over unencrypted LDAP connections.

4

Which software versions are affected by RHSA-2020:4307?

RHSA-2020:4307 affects multiple versions of the java-11-openjdk package prior to 11-openjdk-11.0.9.11-0.el7_9.

5

Is a reboot required after applying the RHSA-2020:4307 fix?

No, a reboot is not required after applying the RHSA-2020:4307 fix, but services relying on Java may need to be restarted.

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