RHSA-2020:4307: Moderate: java-11-openjdk security update
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
Remediation
Event History
Frequently Asked Questions
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.
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.
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.
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.
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.