CVE-2026-21945 json
Vulnerability in the Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition product of Oracle Java SE (component: Securi…
published 2026-01-20 9 mo ago modified 2026-10-16 24 d ago also BIT-java-2026-21945 , BIT-java-min-2026-21945 , BIT-jre-2026-21945 , EUVD-2026-3564
- cvss
- 7.5
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.0%
- EPSS 1.0% chance of exploitation in 30 days, percentile 62%
- public exploits
- 0
- none known
Summary
Vulnerability in the Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition product of Oracle Java SE (component: Security). Supported versions that are affected are Oracle Java SE: 8u471, 8u471-b50, 8u471-perf, 11.0.29, 17.0.17, 21.0.9, 25.0.1; Oracle GraalVM for JDK: 17.0.17 and 21.0.9; Oracle GraalVM Enterprise Edition: 21.3.16. Easily exploitable vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition. Note: This vulnerability applies to Java deployments, typically in clients running sandboxed Java Web Start applications or sandboxed Java applets, that load and run untrusted code (e.g., code that comes from the internet) and rely on the Java sandbox for security. This vulnerability does not apply to Java deployments, typically in servers, that load and run only trusted code (e.g., code installed by an administrator). CVSS 3.1 Base Score 7.5 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H).
Patch / fix
- bitnami java 1.8.0, 8.0.481, 11.0.30, 17.0.18, 21.0.10, 25.0.2
- bitnami java-min 1.8.0, 8.0.481, 11.0.30, 17.0.18, 21.0.10, 25.0.2
- bitnami jre 1.8.0, 8.0.481, 11.0.30, 17.0.18, 21.0.10, 25.0.2
- Siemens SIMATIC CN 4100 V5.0
- Red Hat Red Hat Enterprise Linux 10 1:21.0.10.0.7-1.el10, 1:25.0.2.0.10-1.el10
- Red Hat Red Hat Enterprise Linux 10.0 Extended Update Support 1:21.0.10.0.7-1.el10
- Red Hat Red Hat Enterprise Linux 7 Extended Lifecycle Support 1:1.8.0.482.b08-1.el7_9
- Red Hat Red Hat Enterprise Linux 8 1:1.8.0.8.60-1.el8_10, 1:1.8.0.482.b08-1.el8, 1:17.0.18.0.8-1.el8, 1:21.0.10.0.7-1.el8
- Red Hat Red Hat Enterprise Linux 8.2 Advanced Update Support 1:1.8.0.482.b08-1.el8
- Red Hat Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support 1:1.8.0.482.b08-1.el8, 1:17.0.18.0.8-1.el8
- Red Hat Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On 1:1.8.0.482.b08-1.el8, 1:17.0.18.0.8-1.el8
- Red Hat Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support 1:1.8.0.482.b08-1.el8, 1:17.0.18.0.8-1.el8
- Red Hat Red Hat Enterprise Linux 8.6 Telecommunications Update Service 1:1.8.0.482.b08-1.el8, 1:17.0.18.0.8-1.el8
- Red Hat Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions 1:1.8.0.482.b08-1.el8, 1:17.0.18.0.8-1.el8
- Red Hat Red Hat Enterprise Linux 8.8 Telecommunications Update Service 1:1.8.0.482.b08-1.el8, 1:17.0.18.0.8-1.el8
- Red Hat Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions 1:1.8.0.482.b08-1.el8, 1:17.0.18.0.8-1.el8
- Red Hat Red Hat Enterprise Linux 9 1:1.8.0.482.b08-1.el9, 1:17.0.18.0.8-1.el9, 1:21.0.10.0.7-1.el9, 1:25.0.2.0.10-1.el9
- Red Hat Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions 1:1.8.0.482.b08-1.el9, 1:17.0.18.0.8-1.el9
- Red Hat Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions 1:1.8.0.482.b08-1.el9, 1:17.0.18.0.8-1.el9
- Red Hat Red Hat Enterprise Linux 9.4 Extended Update Support 1:1.8.0.482.b08-1.el9, 1:17.0.18.0.8-1.el9, 1:21.0.10.0.7-1.el9
- Red Hat Red Hat Enterprise Linux 9.6 Extended Update Support 1:1.8.0.482.b08-1.el9, 1:17.0.18.0.8-1.el9, 1:21.0.10.0.7-1.el9
- Red Hat Red Hat OpenJDK 11 els for RHEL 7 1:11.0.30.0.7-1.el7_9
- Red Hat Red Hat OpenJDK 11 els for RHEL 8 1:11.0.30.0.7-1.el8
- Red Hat Red Hat OpenJDK 11 els for RHEL 9 1:11.0.30.0.7-1.el9
- openjdk-17 Debian 12 17.0.18+8-1~deb12u1
- openjdk-21 Debian 13 21.0.10+7-1~deb13u1
- openjdk-21 Debian 14 21.0.10+7-1
- openjdk-25 Debian 13 25.0.2+10-1~deb13u2
- openjdk-25 Debian 14 25.0.2+10-1
debian advisories DEBIAN-CVE-2026-21945
- openjdk-8 Ubuntu 22.04 LTS 8u482-ga~us1-0ubuntu1~22.04
- openjdk-8 Ubuntu 24.04 LTS 8u482-ga~us1-0ubuntu1~24.04
- openjdk-8 Ubuntu 25.10 8u482-ga~us1-0ubuntu1~25.10
- openjdk-8 Ubuntu 26.10, Ubuntu 26.04 LTS 8u482-ga~us1-0ubuntu1
- openjdk-17 Ubuntu 22.04 LTS 17.0.18+8-1~22.04.1
- openjdk-17 Ubuntu 24.04 LTS 17.0.18+8-1~24.04.1
- openjdk-17 Ubuntu 25.10 17.0.18+8-1~25.10.1
- openjdk-17 Ubuntu 26.10, Ubuntu 26.04 LTS 17.0.18+8-1
ubuntu advisories UBUNTU-CVE-2026-21945
Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0
- java-1.8.0-ibm RHEL 8 1:1.8.0.8.60-1.el8_10
- java-1.8.0-ibm-src RHEL 8 1:1.8.0.8.60-1.el8_10
- java-1.8.0-ibm-demo RHEL 8 1:1.8.0.8.60-1.el8_10
- java-1.8.0-ibm-jdbc RHEL 8 1:1.8.0.8.60-1.el8_10
- java-1.8.0-ibm-plugin RHEL 8 1:1.8.0.8.60-1.el8_10
- java-1.8.0-ibm-headless RHEL 8 1:1.8.0.8.60-1.el8_10
- java-1.8.0-ibm-webstart RHEL 8 1:1.8.0.8.60-1.el8_10
- java-25-openjdk RHEL 10.1 1:25.0.2.0.10-1.el10
red hat advisories RHSA-2026:4832RHSA-2026:0933RHSA-2026:0931RHSA-2026:0932RHSA-2026:0928RHSA-2026:0927
- java-1_8_0-openjdk SLES for SAP 15 SP6, SLES for SAP 15 SP5, SLES for SAP 15 SP4 +7 more 1.8.0.482-150000.3.117.1
- java-17-openjdk SLES for SAP 15 SP6, SLES for SAP 15 SP5, SLES for SAP 15 SP4 +9 more 17.0.18.0-150400.3.63.1
- java-11-openjdk SLES for SAP 15 SP6, SLES for SAP 15 SP5, SLES for SAP 15 SP4 +10 more 11.0.30.0-150000.3.135.1
- java-1_8_0-ibm SLES for SAP 15 SP6, SLES for SAP 15 SP5, SLES for SAP 15 SP4 +7 more 1.8.0_sr8.60-150000.3.112.1
- java-1_8_0-openj9 SLE Module for Package Hub 15 SP7, openSUSE Leap 15.6 1.8.0.482-150200.3.63.1
- java-21-openjdk SLES for SAP 15 SP6, SLES 15 SP6-LTSS, SLE Module for Basesystem 15 SP7 +1 more 21.0.10.0-150600.3.23.1
- java-25-openjdk SLES for SAP applications 16.0, SLES 16.0 25.0.2.0-160000.1.1
- java-17-openjdk SLES for SAP applications 16.0, SLES 16.0 17.0.18.0-160000.1.1
suse advisories SUSE-SU-2026:0504-1SUSE-SU-2026:0441-1SUSE-SU-2026:0415-1SUSE-SU-2026:0414-1SUSE-SU-2026:0390-1SUSE-SU-2026:0389-1
- java-21-openj9 openSUSE Leap 16.0 21.0.11.0-bp160.1.1
- java-17-openj9 openSUSE Leap 16.0 17.0.19.0-bp160.1.1
- java-1_8_0-openjdk openSUSE Tumbleweed 1.8.0.482-1.1
- java-25-openjdk openSUSE Leap 16.0 25.0.2.0-160000.1.1
- java-17-openjdk openSUSE Leap 16.0 17.0.18.0-160000.1.1
- java-21-openjdk openSUSE Leap 16.0 21.0.10.0-160000.1.1
- java-25-openjdk openSUSE Tumbleweed 25.0.2.0-1.1
- java-11-openjdk openSUSE Tumbleweed 11.0.30.0-1.1
opensuse advisories openSUSE-SU-2026:20947-1openSUSE-SU-2026:20943-1openSUSE-SU-2026:10136-1openSUSE-SU-2026:20143-1openSUSE-SU-2026:20134-1openSUSE-SU-2026:20126-1
- java-1.8.0-openjdk AlmaLinux 8 1:1.8.0.482.b08-1.el8
- java-1.8.0-openjdk AlmaLinux 9 1:1.8.0.482.b08-1.el9.alma.1
- java-1.8.0-openjdk-src AlmaLinux 8 1:1.8.0.482.b08-1.el8
- java-1.8.0-openjdk-src AlmaLinux 9 1:1.8.0.482.b08-1.el9.alma.1
- java-1.8.0-openjdk-demo AlmaLinux 8 1:1.8.0.482.b08-1.el8
- java-1.8.0-openjdk-demo AlmaLinux 9 1:1.8.0.482.b08-1.el9.alma.1
- java-1.8.0-openjdk-javadoc AlmaLinux 8 1:1.8.0.482.b08-1.el8
- java-1.8.0-openjdk-javadoc AlmaLinux 9 1:1.8.0.482.b08-1.el9.alma.1
almalinux advisories ALSA-2026:0932ALSA-2026:0933ALSA-2026:0927ALSA-2026:0928
- java-25-openjdk Rocky Linux 9 1:25.0.2.0.10-1.el9
- java-1.8.0-openjdk Rocky Linux 8 1:1.8.0.482.b08-1.el8
- java-17-openjdk Rocky Linux 8 1:17.0.18.0.8-1.el8
- java-21-openjdk Rocky Linux 8 1:21.0.10.0.7-1.el8
rocky linux advisories RLSA-2026:0933RLSA-2026:0932RLSA-2026:0927RLSA-2026:0928
- openjdk8 Alpine 3.24, Alpine 3.23 8.482.08-r0
- openjdk11 Alpine 3.24, Alpine 3.23, Alpine 3.22 +1 more 11.0.30_p7-r0
- openjdk17 Alpine 3.24, Alpine 3.23, Alpine 3.22 +1 more 17.0.18_p8-r0
- openjdk21 Alpine 3.24, Alpine 3.23, Alpine 3.22 +1 more 21.0.10_p7-r0
- openjdk25 Alpine 3.24, Alpine 3.23 25.0.2_p10-r0
alpine advisories ALPINE-CVE-2026-21945
Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0
Vendor advisories
What the vendors themselves say about their products: affected, fixed or not affected, and what to do.
red hat product security vex CVE-2026-21945 updated cvss 7.5
openjdk: Enhance Certificate Checking (Oracle CPU 2026-01)
-
Red Hat Enterprise Linux 6 java-1.6.0-openjdk, java-1.7.0-openjdk, java-1.8.0-openjdk, java-1.6.0-openjdk-src, java-1.7.0-openjdk-src, java-1.8.0-openjdk-src, +7 more Red Hat Enterprise Linux 7 java-1.6.0-openjdk, java-1.7.0-openjdk, java-1.6.0-openjdk-src, java-1.7.0-openjdk-src, java-1.6.0-openjdk-demo, java-1.7.0-openjdk-demo, +4 moreaffected: no fix planned “Out of support scope”
-
Red Hat Enterprise Linux 10 java-21-ibm-semeru-certified-jdkaffected: no fix available
-
Red Hat OPENJDK ELS 11.0.30fixed: vendor fix RHSA-2026:0848
-
Red Hat Build of OpenJDK 8u482fixed: vendor fix RHSA-2026:0895
-
Red Hat Build of OpenJDK 17.0.18fixed: vendor fix RHSA-2026:0897
-
Red Hat Build of OpenJDK 21.0.10fixed: vendor fix RHSA-2026:0899
-
Red Hat Build of OpenJDK 25.0.2fixed: vendor fix RHSA-2026:0901
-
Red Hat CodeReady Linux Builder EUS (v.9.4) java-17-openjdk-fastdebug 17.0.18.0.8-1.el9, java-17-openjdk-slowdebug 17.0.18.0.8-1.el9, java-21-openjdk-fastdebug 21.0.10.0.7-1.el9, java-21-openjdk-slowdebug 21.0.10.0.7-1.el9, java-17-openjdk-src-fastdebug 17.0.18.0.8-1.el9, java-17-openjdk-src-slowdebug 17.0.18.0.8-1.el9, +32 more Red Hat CodeReady Linux Builder EUS (v.9.6) java-17-openjdk-fastdebug 17.0.18.0.8-1.el9, java-17-openjdk-slowdebug 17.0.18.0.8-1.el9, java-21-openjdk-fastdebug 21.0.10.0.7-1.el9, java-21-openjdk-slowdebug 21.0.10.0.7-1.el9, java-17-openjdk-src-fastdebug 17.0.18.0.8-1.el9, java-17-openjdk-src-slowdebug 17.0.18.0.8-1.el9, +32 more Red Hat Enterprise Linux AppStream (v. 8) java-17-openjdk 17.0.18.0.8-1.el8, java-21-openjdk 21.0.10.0.7-1.el8, java-17-openjdk-src 17.0.18.0.8-1.el8, java-21-openjdk-src 21.0.10.0.7-1.el8, java-1.8.0-openjdk 1.8.0.482.b08-1.el8, java-17-openjdk-demo 17.0.18.0.8-1.el8, +17 more Red Hat Enterprise Linux AppStream (v. 9) java-17-openjdk 17.0.18.0.8-1.el9, java-21-openjdk 21.0.10.0.7-1.el9, java-25-openjdk 25.0.2.0.10-1.el9, java-17-openjdk-src 17.0.18.0.8-1.el9, java-21-openjdk-src 21.0.10.0.7-1.el9, java-25-openjdk-src 25.0.2.0.10-1.el9, +25 more Red Hat Enterprise Linux AppStream (v. 10) java-21-openjdk 21.0.10.0.7-1.el10, java-25-openjdk 25.0.2.0.10-1.el10, java-21-openjdk-src 21.0.10.0.7-1.el10, java-25-openjdk-src 25.0.2.0.10-1.el10, java-21-openjdk-demo 21.0.10.0.7-1.el10, java-25-openjdk-demo 25.0.2.0.10-1.el10, +11 morefixed: vendor fix RHSA-2026:0928
show 8 moreshow fewer
-
Red Hat Enterprise Linux AppStream AUS (v. 8.2) java-1.8.0-openjdk 1.8.0.482.b08-1.el8, java-1.8.0-openjdk-src 1.8.0.482.b08-1.el8, java-1.8.0-openjdk-demo 1.8.0.482.b08-1.el8, java-1.8.0-openjdk-javadoc 1.8.0.482.b08-1.el8, java-1.8.0-openjdk-headless 1.8.0.482.b08-1.el8, java-1.8.0-openjdk-javadoc-zip 1.8.0.482.b08-1.el8, +1 more Red Hat Enterprise Linux AppStream AUS (v.8.4) java-17-openjdk 17.0.18.0.8-1.el8, java-17-openjdk-src 17.0.18.0.8-1.el8, java-1.8.0-openjdk 1.8.0.482.b08-1.el8, java-17-openjdk-demo 17.0.18.0.8-1.el8, java-17-openjdk-jmods 17.0.18.0.8-1.el8, java-17-openjdk-javadoc 17.0.18.0.8-1.el8, +9 more Red Hat Enterprise Linux AppStream AUS (v.8.6) java-17-openjdk 17.0.18.0.8-1.el8, java-17-openjdk-src 17.0.18.0.8-1.el8, java-1.8.0-openjdk 1.8.0.482.b08-1.el8, java-17-openjdk-demo 17.0.18.0.8-1.el8, java-17-openjdk-jmods 17.0.18.0.8-1.el8, java-17-openjdk-javadoc 17.0.18.0.8-1.el8, +9 more Red Hat Enterprise Linux AppStream E4S (v.8.6) java-17-openjdk 17.0.18.0.8-1.el8, java-17-openjdk-src 17.0.18.0.8-1.el8, java-1.8.0-openjdk 1.8.0.482.b08-1.el8, java-17-openjdk-demo 17.0.18.0.8-1.el8, java-17-openjdk-jmods 17.0.18.0.8-1.el8, java-17-openjdk-javadoc 17.0.18.0.8-1.el8, +9 more Red Hat Enterprise Linux AppStream E4S (v.8.8) java-17-openjdk 17.0.18.0.8-1.el8, java-17-openjdk-src 17.0.18.0.8-1.el8, java-1.8.0-openjdk 1.8.0.482.b08-1.el8, java-17-openjdk-demo 17.0.18.0.8-1.el8, java-17-openjdk-jmods 17.0.18.0.8-1.el8, java-17-openjdk-javadoc 17.0.18.0.8-1.el8, +9 more Red Hat Enterprise Linux AppStream E4S (v.9.0) java-17-openjdk 17.0.18.0.8-1.el9, java-17-openjdk-src 17.0.18.0.8-1.el9, java-1.8.0-openjdk 1.8.0.482.b08-1.el9, java-17-openjdk-demo 17.0.18.0.8-1.el9, java-17-openjdk-jmods 17.0.18.0.8-1.el9, java-17-openjdk-javadoc 17.0.18.0.8-1.el9, +8 morefixed: vendor fix RHSA-2026:0932
+1 more productsfewer
Red Hat Enterprise Linux AppStream E4S (v.9.2) java-17-openjdk 17.0.18.0.8-1.el9, java-17-openjdk-src 17.0.18.0.8-1.el9, java-1.8.0-openjdk 1.8.0.482.b08-1.el9, java-17-openjdk-demo 17.0.18.0.8-1.el9, java-17-openjdk-jmods 17.0.18.0.8-1.el9, java-17-openjdk-javadoc 17.0.18.0.8-1.el9, +8 more -
Red Hat Enterprise Linux AppStream EUS (v. 10.0) java-21-openjdk 21.0.10.0.7-1.el10, java-21-openjdk-src 21.0.10.0.7-1.el10, java-21-openjdk-demo 21.0.10.0.7-1.el10, java-21-openjdk-jmods 21.0.10.0.7-1.el10, java-21-openjdk-javadoc 21.0.10.0.7-1.el10, java-21-openjdk-headless 21.0.10.0.7-1.el10, +2 more Red Hat Enterprise Linux AppStream EUS (v.9.4) java-17-openjdk 17.0.18.0.8-1.el9, java-21-openjdk 21.0.10.0.7-1.el9, java-17-openjdk-src 17.0.18.0.8-1.el9, java-21-openjdk-src 21.0.10.0.7-1.el9, java-1.8.0-openjdk 1.8.0.482.b08-1.el9, java-17-openjdk-demo 17.0.18.0.8-1.el9, +16 more Red Hat Enterprise Linux AppStream EUS (v.9.6) java-17-openjdk 17.0.18.0.8-1.el9, java-21-openjdk 21.0.10.0.7-1.el9, java-17-openjdk-src 17.0.18.0.8-1.el9, java-21-openjdk-src 21.0.10.0.7-1.el9, java-1.8.0-openjdk 1.8.0.482.b08-1.el9, java-17-openjdk-demo 17.0.18.0.8-1.el9, +16 morefixed: vendor fix RHSA-2026:0928
-
Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4) java-17-openjdk 17.0.18.0.8-1.el8, java-17-openjdk-src 17.0.18.0.8-1.el8, java-1.8.0-openjdk 1.8.0.482.b08-1.el8, java-17-openjdk-demo 17.0.18.0.8-1.el8, java-17-openjdk-jmods 17.0.18.0.8-1.el8, java-17-openjdk-javadoc 17.0.18.0.8-1.el8, +23 more Red Hat Enterprise Linux AppStream TUS (v.8.6) java-17-openjdk 17.0.18.0.8-1.el8, java-17-openjdk-src 17.0.18.0.8-1.el8, java-1.8.0-openjdk 1.8.0.482.b08-1.el8, java-17-openjdk-demo 17.0.18.0.8-1.el8, java-17-openjdk-jmods 17.0.18.0.8-1.el8, java-17-openjdk-javadoc 17.0.18.0.8-1.el8, +9 more Red Hat Enterprise Linux AppStream TUS (v.8.8) java-17-openjdk 17.0.18.0.8-1.el8, java-17-openjdk-src 17.0.18.0.8-1.el8, java-1.8.0-openjdk 1.8.0.482.b08-1.el8, java-17-openjdk-demo 17.0.18.0.8-1.el8, java-17-openjdk-jmods 17.0.18.0.8-1.el8, java-17-openjdk-javadoc 17.0.18.0.8-1.el8, +9 morefixed: vendor fix RHSA-2026:0932
-
Red Hat Enterprise Linux CodeReady Linux Builder (v. 9) java-17-openjdk-fastdebug 17.0.18.0.8-1.el9, java-17-openjdk-slowdebug 17.0.18.0.8-1.el9, java-21-openjdk-fastdebug 21.0.10.0.7-1.el9, java-21-openjdk-slowdebug 21.0.10.0.7-1.el9, java-25-openjdk-fastdebug 25.0.2.0.10-1.el9, java-25-openjdk-slowdebug 25.0.2.0.10-1.el9, +48 more Red Hat Enterprise Linux CodeReady Linux Builder (v. 10) java-21-openjdk-fastdebug 21.0.10.0.7-1.el10, java-21-openjdk-slowdebug 21.0.10.0.7-1.el10, java-25-openjdk-fastdebug 25.0.2.0.10-1.el10, java-25-openjdk-slowdebug 25.0.2.0.10-1.el10, java-21-openjdk-src-fastdebug 21.0.10.0.7-1.el10, java-21-openjdk-src-slowdebug 21.0.10.0.7-1.el10, +24 more Red Hat Enterprise Linux CodeReady Linux Builder EUS (v. 10.0) java-21-openjdk-fastdebug 21.0.10.0.7-1.el10, java-21-openjdk-slowdebug 21.0.10.0.7-1.el10, java-21-openjdk-src-fastdebug 21.0.10.0.7-1.el10, java-21-openjdk-src-slowdebug 21.0.10.0.7-1.el10, java-21-openjdk-demo-fastdebug 21.0.10.0.7-1.el10, java-21-openjdk-demo-slowdebug 21.0.10.0.7-1.el10, +8 more Red Hat Enterprise Linux CRB (v. 8) java-17-openjdk-fastdebug 17.0.18.0.8-1.el8, java-17-openjdk-slowdebug 17.0.18.0.8-1.el8, java-21-openjdk-fastdebug 21.0.10.0.7-1.el8, java-21-openjdk-slowdebug 21.0.10.0.7-1.el8, java-17-openjdk-src-fastdebug 17.0.18.0.8-1.el8, java-17-openjdk-src-slowdebug 17.0.18.0.8-1.el8, +34 morefixed: vendor fix RHSA-2026:0928
-
Red Hat Enterprise Linux Server (v. 7 ELS) java-1.8.0-openjdk 1.8.0.482.b08-1.el7_9, java-1.8.0-openjdk-headless 1.8.0.482.b08-1.el7_9 Red Hat Enterprise Linux Server Optional (v. 7 ELS) java-1.8.0-openjdk-src 1.8.0.482.b08-1.el7_9, java-1.8.0-openjdk-demo 1.8.0.482.b08-1.el7_9, java-1.8.0-openjdk-javadoc 1.8.0.482.b08-1.el7_9, java-1.8.0-openjdk-javadoc-zip 1.8.0.482.b08-1.el7_9, java-1.8.0-openjdk-accessibility 1.8.0.482.b08-1.el7_9fixed: vendor fix RHSA-2026:0931
-
Red Hat Enterprise Linux Supplementary (v. 8) java-1.8.0-ibm 1.8.0.8.60-1.el8_10, java-1.8.0-ibm-src 1.8.0.8.60-1.el8_10, java-1.8.0-ibm-demo 1.8.0.8.60-1.el8_10, java-1.8.0-ibm-jdbc 1.8.0.8.60-1.el8_10, java-1.8.0-ibm-plugin 1.8.0.8.60-1.el8_10, java-1.8.0-ibm-headless 1.8.0.8.60-1.el8_10, +1 morefixed: vendor fix RHSA-2026:4832
-
Red Hat OpenJDK 11 ELS for RHEL 7 java-11-openjdk 11.0.30.0.7-1.el7_9, java-11-openjdk-src 11.0.30.0.7-1.el7_9, java-11-openjdk-demo 11.0.30.0.7-1.el7_9, java-11-openjdk-jmods 11.0.30.0.7-1.el7_9, java-11-openjdk-javadoc 11.0.30.0.7-1.el7_9, java-11-openjdk-headless 11.0.30.0.7-1.el7_9, +2 more Red Hat OpenJDK 11 ELS for RHEL 8 java-11-openjdk 11.0.30.0.7-1.el8, java-11-openjdk-src 11.0.30.0.7-1.el8, java-11-openjdk-demo 11.0.30.0.7-1.el8, java-11-openjdk-jmods 11.0.30.0.7-1.el8, java-11-openjdk-javadoc 11.0.30.0.7-1.el8, java-11-openjdk-headless 11.0.30.0.7-1.el8, +16 more Red Hat OpenJDK 11 ELS for RHEL 9 java-11-openjdk 11.0.30.0.7-1.el9, java-11-openjdk-src 11.0.30.0.7-1.el9, java-11-openjdk-demo 11.0.30.0.7-1.el9, java-11-openjdk-jmods 11.0.30.0.7-1.el9, java-11-openjdk-javadoc 11.0.30.0.7-1.el9, java-11-openjdk-headless 11.0.30.0.7-1.el9, +16 morefixed: vendor fix RHSA-2026:0847
-
Red Hat Temurin Build of OpenJDK 25.0.2fixed: vendor fix RHSA-2026:1606
Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf
cisa ICSA-26-134-10 updated cvss 7.5
Siemens SIMATIC
-
Siemens SIMATIC CN 4100 < 5.0affected: fixed in V5.0 support.industry.siemens.com
Facts from CISA's republication of the vendor's own advisory (CSAF); the linked advisory is the authoritative source. CISA notification · csaf
CISA SSVC
- Exploitation
- none
- Automatable
- yes
- Technical impact
- partial
- Assessed
- 9 mo ago
Exploit prediction
0.99% chance of exploitation in the next 30 days, higher than 62% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| CISA ADP | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| OSV | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| bitnami | java | <1.8.0 >=1.9.0, <8.0.481 >=9.0.0, <11.0.30 >=12.0.0, <17.0.18 >=18.0.0, <21.0.10 >=22.0.0, <25.0.2 |
1.8.0 8.0.481 11.0.30 17.0.18 21.0.10 25.0.2 |
| bitnami | java-min | <1.8.0 >=1.9.0, <8.0.481 >=9.0.0, <11.0.30 >=12.0.0, <17.0.18 >=18.0.0, <21.0.10 >=22.0.0, <25.0.2 |
1.8.0 8.0.481 11.0.30 17.0.18 21.0.10 25.0.2 |
| bitnami | jre | <1.8.0 >=1.9.0, <8.0.481 >=9.0.0, <11.0.30 >=12.0.0, <17.0.18 >=18.0.0, <21.0.10 >=22.0.0, <25.0.2 |
1.8.0 8.0.481 11.0.30 17.0.18 21.0.10 25.0.2 |
Affected products
- Oracle Corporation Oracle Java SE
- Oracle Corporation Oracle GraalVM for JDK
- Oracle Corporation Oracle GraalVM Enterprise Edition
- Siemens SIMATIC CN 4100
- Red Hat OPENJDK ELS 11.0.30
- Red Hat Red Hat Build of OpenJDK 17.0.18
- Red Hat Red Hat Build of OpenJDK 21.0.10
- Red Hat Red Hat Build of OpenJDK 25.0.2
- Red Hat Red Hat Build of OpenJDK 8u482
- Red Hat Red Hat Enterprise Linux 10
- Red Hat Red Hat Enterprise Linux 10.0 Extended Update Support
- Red Hat Red Hat Enterprise Linux 7 Extended Lifecycle Support
- Red Hat Red Hat Enterprise Linux 8
- Red Hat Red Hat Enterprise Linux 8.2 Advanced Update Support
- Red Hat Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support
- Red Hat Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On
- Red Hat Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support
- Red Hat Red Hat Enterprise Linux 8.6 Telecommunications Update Service
- Red Hat Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions
- Red Hat Red Hat Enterprise Linux 8.8 Telecommunications Update Service
- Red Hat Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions
- Red Hat Red Hat Enterprise Linux 9
- Red Hat Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions
- Red Hat Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions
- Red Hat Red Hat Enterprise Linux 9.4 Extended Update Support
- Red Hat Red Hat Enterprise Linux 9.6 Extended Update Support
- Red Hat Red Hat OpenJDK 11 els for RHEL 7
- Red Hat Red Hat OpenJDK 11 els for RHEL 8
- Red Hat Red Hat OpenJDK 11 els for RHEL 9
- Red Hat Temurin Build of OpenJDK 25.0.2
- Red Hat Red Hat Enterprise Linux 6
- Red Hat Red Hat Enterprise Linux 7
Classification
References
-
oracle.com
/security-alerts/cpujan2026.html
vendor-advisory, advisory
-
access.redhat.com
/errata/RHSA-2026:0931
vendor-advisory, web
-
access.redhat.com
/errata/RHSA-2026:0847
vendor-advisory, web
-
access.redhat.com
/errata/RHSA-2026:0928
vendor-advisory, web
-
access.redhat.com
/errata/RHSA-2026:0933
vendor-advisory, web
-
access.redhat.com
/errata/RHSA-2026:0932
vendor-advisory, web
-
access.redhat.com
/errata/RHSA-2026:0927
vendor-advisory, web
-
access.redhat.com
/errata/RHSA-2026:0848
vendor-advisory, web
-
access.redhat.com
/errata/RHSA-2026:0897
vendor-advisory, web
-
access.redhat.com
/errata/RHSA-2026:0899
vendor-advisory, web
-
access.redhat.com
/errata/RHSA-2026:0901
vendor-advisory, web
-
access.redhat.com
/errata/RHSA-2026:0895
vendor-advisory, web
-
access.redhat.com
/errata/RHSA-2026:4832
vendor-advisory, web
-
access.redhat.com
/errata/RHSA-2026:1606
vendor-advisory, web
- cert-portal.siemens.com /productcert/html/ssa-032379.html
-
access.redhat.com
/security/cve/CVE-2026-21945
vdb-entry, web
-
bugzilla.redhat.com
/show_bug.cgi?id=2429927
issue-tracking, web
-
security.access.redhat.com
/data/csaf/v2/vex/2026/cve-2026-21945.json
web
-
nvd.nist.gov
/vuln/detail/CVE-2026-21945
web
Sources
- CVE List CVE-2026-21945
- NVD CVE-2026-21945
- OSV BIT-java-2026-21945
- OSV BIT-java-min-2026-21945
- OSV BIT-jre-2026-21945
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.
CPEs and fixed versions use Anchore's correction of NVD's data: Added CPE configurations because not yet analyzed by NVD.