RHSA-2026:22328 - Security Advisory

Topic

An update for java-21-ibm-semeru-certified-jdk is now available for Red Hat Enterprise Linux 10.0 Extended Update Support, Red Hat Enterprise Linux 10, and Red Hat Enterprise Linux 10.2 Extended Update Support.

Red Hat Product Security has rated this update as having a security impact of Important. 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 IBM Semeru Runtime Certified Edition 21 runtime environment.

Security Fix(es):

• freetype: Information disclosure or denial of service via specially crafted font files (CVE-2026-23865)
• openjdk: OpenJDK: Enhance crypto algorithm support (Oracle CPU 2026-04) (CVE-2026-22007)
• openjdk: OpenJDK: Enhance Path Factories Redux (Oracle CPU 2026-04) (CVE-2026-22016)
• openjdk: OpenJDK: Improve Kerberos credentialing (Oracle CPU 2026-04) (CVE-2026-22013)
• openjdk: OpenJDK: Enhance certificate chain validation (Oracle CPU 2026-04) (CVE-2026-22021)
• openjdk: OpenJDK: Enhance key generation (Oracle CPU 2026-04) (CVE-2026-34268)
• openjdk: Enhance TLS connection handling (Oracle CPU 2026-04) (CVE-2026-34282)
• Eclipse Open9J: Denial of Service in JITServer via crafted TCP message (CVE-2026-6918)

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.

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

Affected Products

• Red Hat Enterprise Linux for x86_64 10 x86_64
• Red Hat Enterprise Linux for x86_64 - Extended Update Support 10.2 x86_64
• Red Hat Enterprise Linux for x86_64 - Extended Update Support 10.0 x86_64
• Red Hat Enterprise Linux for IBM z Systems 10 s390x
• Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 10.2 s390x
• Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 10.0 s390x
• Red Hat Enterprise Linux for Power, little endian 10 ppc64le
• Red Hat Enterprise Linux for Power, little endian - Extended Update Support 10.2 ppc64le
• Red Hat Enterprise Linux for Power, little endian - Extended Update Support 10.0 ppc64le
• Red Hat Enterprise Linux for ARM 64 10 aarch64
• Red Hat Enterprise Linux for ARM 64 - Extended Update Support 10.2 aarch64
• Red Hat Enterprise Linux for ARM 64 - Extended Update Support 10.0 aarch64

Fixes

• BZ - 2443891 - CVE-2026-23865 freetype: Information disclosure or denial of service via specially crafted font files
• BZ - 2460038 - CVE-2026-22007 openjdk: Enhance crypto algorithm support (Oracle CPU 2026-04)
• BZ - 2460039 - CVE-2026-22016 openjdk: Enhance Path Factories Redux (Oracle CPU 2026-04)
• BZ - 2460040 - CVE-2026-22013 openjdk: Improve Kerberos credentialing (Oracle CPU 2026-04)
• BZ - 2460042 - CVE-2026-22021 openjdk: Enhance certificate chain validation (Oracle CPU 2026-04)
• BZ - 2460043 - CVE-2026-34268 openjdk: Enhance key generation (Oracle CPU 2026-04)
• BZ - 2460044 - CVE-2026-34282 openjdk: Enhance TLS connection handling (Oracle CPU 2026-04)
• BZ - 2466741 - CVE-2026-6918 Eclipse Open9J: Denial of Service in JITServer via crafted TCP message

CVEs

• CVE-2026-6918
• CVE-2026-22007
• CVE-2026-22013
• CVE-2026-22016
• CVE-2026-22021
• CVE-2026-23865
• CVE-2026-34268
• CVE-2026-34282

References

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