Red Hat Security Advisory: java-21-openjdk security update
🔗 CVE IDs covered (9)
📋 Description
CVE-2026-41254 — Little CMS: lcms2: mm2/Little-CMS: Little CMS: Information disclosure or denial of service via integer overflow in CubeSize CVE-2026-46917 — openjdk: Improve DTLS handshaking (Oracle CPU 2026-07) CVE-2026-46968 — openjdk: Enhance TLS certificate handling (Oracle CPU 2026-07) CVE-2026-47010 — openjdk: Enhance JPEG handling (Oracle CPU 2026-07) CVE-2026-47021 — openjdk: Enhance XBM image support (Oracle CPU 2026-07) CVE-2026-47027 — openjdk: Enhance Jar file processing (Oracle CPU 2026-07) CVE-2026-47059 — openjdk: Enhance AWT ImagingLib (Oracle CPU 2026-07) CVE-2026-47063 — openjdk: Enhance Jar handling (Oracle CPU 2026-07) CVE-2026-60147 — openjdk: Improve certification checking (Oracle CPU 2026-07)
🎯 Affected products200
- Red Hat CodeReady Linux Builder EUS (v.9.6)
- Red Hat Enterprise Linux AppStream (v. 10)
- Red Hat Enterprise Linux AppStream (v. 8)
- Red Hat Enterprise Linux AppStream (v. 9)
- Red Hat Enterprise Linux AppStream E4S (v.9.4)
- Red Hat Enterprise Linux AppStream EUS (v. 10.0)
- Red Hat Enterprise Linux AppStream EUS (v.9.6)
- Red Hat Enterprise Linux CRB (v. 8)
- Red Hat Enterprise Linux CodeReady Linux Builder (v. 10)
- Red Hat Enterprise Linux CodeReady Linux Builder (v. 9)
- Red Hat Enterprise Linux CodeReady Linux Builder EUS (v. 10.0)
- java-21-openjdk-1:21.0.12.0.8-1.1.el10_2.aarch64 as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0)
- java-21-openjdk-1:21.0.12.0.8-1.1.el10_2.ppc64le as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0)
- java-21-openjdk-1:21.0.12.0.8-1.1.el10_2.s390x as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0)
- java-21-openjdk-1:21.0.12.0.8-1.1.el10_2.src as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0)
- java-21-openjdk-1:21.0.12.0.8-1.1.el10_2.x86_64 as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0)
- java-21-openjdk-1:21.0.12.0.8-1.1.el8.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 8)
- java-21-openjdk-1:21.0.12.0.8-1.1.el8.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 8)
- java-21-openjdk-1:21.0.12.0.8-1.1.el8.s390x as a component of Red Hat Enterprise Linux AppStream (v. 8)
- java-21-openjdk-1:21.0.12.0.8-1.1.el8.src as a component of Red Hat Enterprise Linux AppStream (v. 8)
- java-21-openjdk-1:21.0.12.0.8-1.1.el8.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 8)
- java-21-openjdk-1:21.0.12.0.8-1.1.el9.aarch64 as a component of Red Hat Enterprise Linux AppStream E4S (v.9.4)
- java-21-openjdk-1:21.0.12.0.8-1.1.el9.aarch64 as a component of Red Hat Enterprise Linux AppStream EUS (v.9.6)
- java-21-openjdk-1:21.0.12.0.8-1.1.el9.ppc64le as a component of Red Hat Enterprise Linux AppStream E4S (v.9.4)
- java-21-openjdk-1:21.0.12.0.8-1.1.el9.ppc64le as a component of Red Hat Enterprise Linux AppStream EUS (v.9.6)
- java-21-openjdk-1:21.0.12.0.8-1.1.el9.s390x as a component of Red Hat Enterprise Linux AppStream E4S (v.9.4)
- java-21-openjdk-1:21.0.12.0.8-1.1.el9.s390x as a component of Red Hat Enterprise Linux AppStream EUS (v.9.6)
- java-21-openjdk-1:21.0.12.0.8-1.1.el9.src as a component of Red Hat Enterprise Linux AppStream E4S (v.9.4)
- java-21-openjdk-1:21.0.12.0.8-1.1.el9.src as a component of Red Hat Enterprise Linux AppStream EUS (v.9.6)
- java-21-openjdk-1:21.0.12.0.8-1.1.el9.x86_64 as a component of Red Hat Enterprise Linux AppStream E4S (v.9.4)
- +170 more not shown
✅ Remediation
Before applying this update, make sure all previously released errata relevant to your system have been applied. For details on how to apply this update, refer to: https://access.redhat.com/articles/11258 Workaround: Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.
🔗 References (12)
- selfhttps://access.redhat.com/errata/RHSA-2026:42895
- externalhttps://access.redhat.com/security/updates/classification/#important
- externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2459420
- externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2502751
- externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2502782
- externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2502783
- externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2502784
- externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2502791
- externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2502792
- externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2502793
- externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2503636
- selfhttps://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_42895.json