RHSA-2026:52949 - Security Advisory

Topic

An update for java-1.8.0-ibm is now available for Red Hat Enterprise Linux 8.

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

IBM Java SE version 8 includes the IBM Java Runtime Environment and the IBM Java Software Development Kit.

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: 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 Nashorn index handling (Oracle CPU 2026-07) (CVE-2026-47057)
• openjdk: Enhance Dataview Implementation (Oracle CPU 2026-07) (CVE-2026-47058)
• 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)
• java-1.8.0-ibm: Arbitrary class loading and instantiation via malicious IIOP server (CVE-2026-8400)

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 8 x86_64
• Red Hat Enterprise Linux for IBM z Systems 8 s390x
• Red Hat Enterprise Linux for Power, little endian 8 ppc64le

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 - 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 - 2502794 - CVE-2026-47057 openjdk: Improve Nashorn index handling (Oracle CPU 2026-07)
• BZ - 2502795 - CVE-2026-47058 openjdk: Enhance Dataview Implementation (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
• BZ - 2512497 - CVE-2026-8400 java-1.8.0-ibm: Arbitrary class loading and instantiation via malicious IIOP server

CVEs

• CVE-2026-8400
• CVE-2026-16243
• CVE-2026-16439
• CVE-2026-16441
• CVE-2026-41254
• CVE-2026-46968
• CVE-2026-47010
• CVE-2026-47021
• CVE-2026-47027
• CVE-2026-47057
• CVE-2026-47058
• CVE-2026-47059
• CVE-2026-47063
• CVE-2026-60147

References

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