RHSA-2026:52948 - 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 and Red Hat Enterprise Linux 10.

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):

• Little CMS: lcms2: mm2/Little-CMS: Little CMS: Information disclosure or denial of service via integer overflow in CubeSize (CVE-2026-41254)
• openjdk: Enhance TLS certificate handling (CVE-2026-46968)
• openjdk: Improve DTLS handshaking (Oracle CPU 2026-07) (CVE-2026-46917)
• openjdk: Enhance JPEG handling (Oracle CPU 2026-07) (CVE-2026-47010)
• openjdk: Enhance XBM image support (Oracle CPU 2026-07) (CVE-2026-47021)
• openjdk: Enhance Jar file processing (Oracle CPU 2026-07) (CVE-2026-47027)
• openjdk: Enhance AWT ImagingLib (Oracle CPU 2026-07) (CVE-2026-47059)
• openjdk: Enhance Jar handling (Oracle CPU 2026-07) (CVE-2026-47063)
• openjdk: Improve certification checking (Oracle CPU 2026-07) (CVE-2026-60147)
• Eclipse Foundation OpenJ9: Eclipse OpenJ9: Buffer underflow via tracing method arguments (CVE-2026-16439)
• Eclipse OMR: Eclipse OMR: Denial of service via improper input validation in arraycmp SIMD (CVE-2026-16243)
• Eclipse Foundation OpenJ9: Eclipse OpenJ9: Incorrect method delegation can lead to integrity issues (CVE-2026-16441)

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 - 2459420 - CVE-2026-41254 Little CMS: lcms2: mm2/Little-CMS: Little CMS: Information disclosure or denial of service via integer overflow in CubeSize
• BZ - 2502751 - CVE-2026-46968 openjdk: Enhance TLS certificate handling
• BZ - 2502782 - CVE-2026-46917 openjdk: Improve DTLS handshaking (Oracle CPU 2026-07)
• BZ - 2502783 - CVE-2026-47010 openjdk: Enhance JPEG handling (Oracle CPU 2026-07)
• BZ - 2502784 - CVE-2026-47021 openjdk: Enhance XBM image support (Oracle CPU 2026-07)
• BZ - 2502791 - CVE-2026-47027 openjdk: Enhance Jar file processing (Oracle CPU 2026-07)
• BZ - 2502792 - CVE-2026-47059 openjdk: Enhance AWT ImagingLib (Oracle CPU 2026-07)
• BZ - 2502793 - CVE-2026-47063 openjdk: Enhance Jar handling (Oracle CPU 2026-07)
• BZ - 2503636 - CVE-2026-60147 openjdk: Improve certification checking (Oracle CPU 2026-07)
• BZ - 2503798 - CVE-2026-16439 Eclipse Foundation OpenJ9: Eclipse OpenJ9: Buffer underflow via tracing method arguments
• BZ - 2503988 - CVE-2026-16243 Eclipse OMR: Eclipse OMR: Denial of service via improper input validation in arraycmp SIMD
• BZ - 2503992 - CVE-2026-16441 Eclipse Foundation OpenJ9: Eclipse OpenJ9: Incorrect method delegation can lead to integrity issues

CVEs

• CVE-2026-16243
• CVE-2026-16439
• CVE-2026-16441
• CVE-2026-41254
• CVE-2026-46917
• CVE-2026-46968
• CVE-2026-47010
• CVE-2026-47021
• CVE-2026-47027
• CVE-2026-47059
• CVE-2026-47063
• CVE-2026-60147

References

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