Moderate: java-11-openjdk security and bug fix update

Topic

An update for java-11-openjdk is now available for Red Hat Enterprise Linux 7.

Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Description

The java-11-openjdk packages provide the OpenJDK 11 Java Runtime Environment and the OpenJDK 11 Java Software Development Kit.

Security Fix(es):

• OpenJDK: improper MultiByte conversion can lead to buffer overflow (JGSS, 8286077) (CVE-2022-21618)
• OpenJDK: excessive memory allocation in X.509 certificate parsing (Security, 8286533) (CVE-2022-21626)
• OpenJDK: HttpServer no connection count limit (Lightweight HTTP Server, 8286918) (CVE-2022-21628)
• OpenJDK: improper handling of long NTLM client hostnames (Security, 8286526) (CVE-2022-21619)
• OpenJDK: insufficient randomization of JNDI DNS port numbers (JNDI, 8286910) (CVE-2022-21624)
• OpenJDK: missing SNI caching in HTTP/2 (Networking, 8289366) (CVE-2022-39399)

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.

Bug Fix(es):

• Prepare for the next quarterly OpenJDK upstream release (2022-10, 11.0.17) (BZ#2130373)

Solution

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

All running instances of OpenJDK Java must be restarted for this update to take effect.

Affected Products

• Red Hat Enterprise Linux Server 7 x86_64
• Red Hat Enterprise Linux Workstation 7 x86_64
• Red Hat Enterprise Linux Desktop 7 x86_64
• Red Hat Enterprise Linux for IBM z Systems 7 s390x
• Red Hat Enterprise Linux for Power, big endian 7 ppc64
• Red Hat Enterprise Linux for Scientific Computing 7 x86_64
• Red Hat Enterprise Linux for Power, little endian 7 ppc64le

Fixes

• BZ - 2130373 - Prepare for the next quarterly OpenJDK upstream release (2022-10, 11.0.17) [rhel-7.9.z]
• BZ - 2133745 - CVE-2022-21619 OpenJDK: improper handling of long NTLM client hostnames (Security, 8286526)
• BZ - 2133753 - CVE-2022-21626 OpenJDK: excessive memory allocation in X.509 certificate parsing (Security, 8286533)
• BZ - 2133765 - CVE-2022-21624 OpenJDK: insufficient randomization of JNDI DNS port numbers (JNDI, 8286910)
• BZ - 2133769 - CVE-2022-21628 OpenJDK: HttpServer no connection count limit (Lightweight HTTP Server, 8286918)
• BZ - 2133776 - CVE-2022-39399 OpenJDK: missing SNI caching in HTTP/2 (Networking, 8289366)
• BZ - 2133817 - CVE-2022-21618 OpenJDK: improper MultiByte conversion can lead to buffer overflow (JGSS, 8286077)

CVEs

• CVE-2022-21618
• CVE-2022-21619
• CVE-2022-21624
• CVE-2022-21626
• CVE-2022-21628
• CVE-2022-39399

References

• https://access.redhat.com/security/updates/classification/#moderate