# RHSA-2026:42887: Security update for 23 packages

RHSA-2026:42887, released July 23, 2026, fixes 9 CVEs across 23 products. None of them is reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/fix/linux/rhsa-2026-42887
- Platform: Linux
- Released: Jul 23, 2026
- Priority: High (Closes CVE-2026-41254, high severity)
- CVEs: 9, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://access.redhat.com/errata/RHSA-2026:42887

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [java-17-openjdk](https://patchblox.com/security/data/product/linux/java-17-openjdk.md) | RHEL 8 | 1:17.0.20.0.8-1.1.el8 |
| [java-17-openjdk](https://patchblox.com/security/data/product/linux/java-17-openjdk.md) | RHEL 9 | 1:17.0.20.0.8-1.2.el9 |
| [java-17-openjdk-demo](https://patchblox.com/security/data/product/linux/java-17-openjdk-demo.md) | RHEL 8 | 1:17.0.20.0.8-1.1.el8 |
| [java-17-openjdk-demo](https://patchblox.com/security/data/product/linux/java-17-openjdk-demo.md) | RHEL 9 | 1:17.0.20.0.8-1.2.el9 |
| [java-17-openjdk-demo-fastdebug](https://patchblox.com/security/data/product/linux/java-17-openjdk-demo-fastdebug.md) | RHEL 8 | 1:17.0.20.0.8-1.1.el8 |
| [java-17-openjdk-demo-fastdebug](https://patchblox.com/security/data/product/linux/java-17-openjdk-demo-fastdebug.md) | RHEL 9 | 1:17.0.20.0.8-1.2.el9 |
| [java-17-openjdk-demo-slowdebug](https://patchblox.com/security/data/product/linux/java-17-openjdk-demo-slowdebug.md) | RHEL 8 | 1:17.0.20.0.8-1.1.el8 |
| [java-17-openjdk-demo-slowdebug](https://patchblox.com/security/data/product/linux/java-17-openjdk-demo-slowdebug.md) | RHEL 9 | 1:17.0.20.0.8-1.2.el9 |
| [java-17-openjdk-devel](https://patchblox.com/security/data/product/linux/java-17-openjdk-devel.md) | RHEL 8 | 1:17.0.20.0.8-1.1.el8 |
| [java-17-openjdk-devel](https://patchblox.com/security/data/product/linux/java-17-openjdk-devel.md) | RHEL 9 | 1:17.0.20.0.8-1.2.el9 |
| [java-17-openjdk-devel-fastdebug](https://patchblox.com/security/data/product/linux/java-17-openjdk-devel-fastdebug.md) | RHEL 8 | 1:17.0.20.0.8-1.1.el8 |
| [java-17-openjdk-devel-fastdebug](https://patchblox.com/security/data/product/linux/java-17-openjdk-devel-fastdebug.md) | RHEL 9 | 1:17.0.20.0.8-1.2.el9 |
| [java-17-openjdk-devel-slowdebug](https://patchblox.com/security/data/product/linux/java-17-openjdk-devel-slowdebug.md) | RHEL 8 | 1:17.0.20.0.8-1.1.el8 |
| [java-17-openjdk-devel-slowdebug](https://patchblox.com/security/data/product/linux/java-17-openjdk-devel-slowdebug.md) | RHEL 9 | 1:17.0.20.0.8-1.2.el9 |
| [java-17-openjdk-fastdebug](https://patchblox.com/security/data/product/linux/java-17-openjdk-fastdebug.md) | RHEL 8 | 1:17.0.20.0.8-1.1.el8 |
| [java-17-openjdk-fastdebug](https://patchblox.com/security/data/product/linux/java-17-openjdk-fastdebug.md) | RHEL 9 | 1:17.0.20.0.8-1.2.el9 |
| [java-17-openjdk-headless](https://patchblox.com/security/data/product/linux/java-17-openjdk-headless.md) | RHEL 8 | 1:17.0.20.0.8-1.1.el8 |
| [java-17-openjdk-headless](https://patchblox.com/security/data/product/linux/java-17-openjdk-headless.md) | RHEL 9 | 1:17.0.20.0.8-1.2.el9 |
| [java-17-openjdk-headless-fastdebug](https://patchblox.com/security/data/product/linux/java-17-openjdk-headless-fastdebug.md) | RHEL 8 | 1:17.0.20.0.8-1.1.el8 |
| [java-17-openjdk-headless-fastdebug](https://patchblox.com/security/data/product/linux/java-17-openjdk-headless-fastdebug.md) | RHEL 9 | 1:17.0.20.0.8-1.2.el9 |
| [java-17-openjdk-headless-slowdebug](https://patchblox.com/security/data/product/linux/java-17-openjdk-headless-slowdebug.md) | RHEL 8 | 1:17.0.20.0.8-1.1.el8 |
| [java-17-openjdk-headless-slowdebug](https://patchblox.com/security/data/product/linux/java-17-openjdk-headless-slowdebug.md) | RHEL 9 | 1:17.0.20.0.8-1.2.el9 |
| [java-17-openjdk-javadoc](https://patchblox.com/security/data/product/linux/java-17-openjdk-javadoc.md) | RHEL 8 | 1:17.0.20.0.8-1.1.el8 |
| [java-17-openjdk-javadoc](https://patchblox.com/security/data/product/linux/java-17-openjdk-javadoc.md) | RHEL 9 | 1:17.0.20.0.8-1.2.el9 |
| [java-17-openjdk-javadoc-zip](https://patchblox.com/security/data/product/linux/java-17-openjdk-javadoc-zip.md) | RHEL 8 | 1:17.0.20.0.8-1.1.el8 |
| [java-17-openjdk-javadoc-zip](https://patchblox.com/security/data/product/linux/java-17-openjdk-javadoc-zip.md) | RHEL 9 | 1:17.0.20.0.8-1.2.el9 |
| [java-17-openjdk-jmods](https://patchblox.com/security/data/product/linux/java-17-openjdk-jmods.md) | RHEL 8 | 1:17.0.20.0.8-1.1.el8 |
| [java-17-openjdk-jmods](https://patchblox.com/security/data/product/linux/java-17-openjdk-jmods.md) | RHEL 9 | 1:17.0.20.0.8-1.2.el9 |
| [java-17-openjdk-jmods-fastdebug](https://patchblox.com/security/data/product/linux/java-17-openjdk-jmods-fastdebug.md) | RHEL 8 | 1:17.0.20.0.8-1.1.el8 |
| [java-17-openjdk-jmods-fastdebug](https://patchblox.com/security/data/product/linux/java-17-openjdk-jmods-fastdebug.md) | RHEL 9 | 1:17.0.20.0.8-1.2.el9 |
| [java-17-openjdk-jmods-slowdebug](https://patchblox.com/security/data/product/linux/java-17-openjdk-jmods-slowdebug.md) | RHEL 8 | 1:17.0.20.0.8-1.1.el8 |
| [java-17-openjdk-jmods-slowdebug](https://patchblox.com/security/data/product/linux/java-17-openjdk-jmods-slowdebug.md) | RHEL 9 | 1:17.0.20.0.8-1.2.el9 |
| [java-17-openjdk-slowdebug](https://patchblox.com/security/data/product/linux/java-17-openjdk-slowdebug.md) | RHEL 8 | 1:17.0.20.0.8-1.1.el8 |
| [java-17-openjdk-slowdebug](https://patchblox.com/security/data/product/linux/java-17-openjdk-slowdebug.md) | RHEL 9 | 1:17.0.20.0.8-1.2.el9 |
| [java-17-openjdk-src](https://patchblox.com/security/data/product/linux/java-17-openjdk-src.md) | RHEL 8 | 1:17.0.20.0.8-1.1.el8 |
| [java-17-openjdk-src](https://patchblox.com/security/data/product/linux/java-17-openjdk-src.md) | RHEL 9 | 1:17.0.20.0.8-1.2.el9 |
| [java-17-openjdk-src-fastdebug](https://patchblox.com/security/data/product/linux/java-17-openjdk-src-fastdebug.md) | RHEL 8 | 1:17.0.20.0.8-1.1.el8 |
| [java-17-openjdk-src-fastdebug](https://patchblox.com/security/data/product/linux/java-17-openjdk-src-fastdebug.md) | RHEL 9 | 1:17.0.20.0.8-1.2.el9 |
| [java-17-openjdk-src-slowdebug](https://patchblox.com/security/data/product/linux/java-17-openjdk-src-slowdebug.md) | RHEL 8 | 1:17.0.20.0.8-1.1.el8 |
| [java-17-openjdk-src-slowdebug](https://patchblox.com/security/data/product/linux/java-17-openjdk-src-slowdebug.md) | RHEL 9 | 1:17.0.20.0.8-1.2.el9 |
| [java-17-openjdk-static-libs](https://patchblox.com/security/data/product/linux/java-17-openjdk-static-libs.md) | RHEL 8 | 1:17.0.20.0.8-1.1.el8 |
| [java-17-openjdk-static-libs](https://patchblox.com/security/data/product/linux/java-17-openjdk-static-libs.md) | RHEL 9 | 1:17.0.20.0.8-1.2.el9 |
| [java-17-openjdk-static-libs-fastdebug](https://patchblox.com/security/data/product/linux/java-17-openjdk-static-libs-fastdebug.md) | RHEL 8 | 1:17.0.20.0.8-1.1.el8 |
| [java-17-openjdk-static-libs-fastdebug](https://patchblox.com/security/data/product/linux/java-17-openjdk-static-libs-fastdebug.md) | RHEL 9 | 1:17.0.20.0.8-1.2.el9 |
| [java-17-openjdk-static-libs-slowdebug](https://patchblox.com/security/data/product/linux/java-17-openjdk-static-libs-slowdebug.md) | RHEL 8 | 1:17.0.20.0.8-1.1.el8 |
| [java-17-openjdk-static-libs-slowdebug](https://patchblox.com/security/data/product/linux/java-17-openjdk-static-libs-slowdebug.md) | RHEL 9 | 1:17.0.20.0.8-1.2.el9 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2026-41254](https://patchblox.com/security/data/cve/CVE-2026-41254.md) | High | java-17-openjdk: The java-17-openjdk packages provide the OpenJDK 17 Java Runtime Environment and the OpenJDK 17 Java Software Develop... | 7.5 | 0.0036 |  |
| [CVE-2026-47059](https://patchblox.com/security/data/cve/CVE-2026-47059.md) | High | Java(TM) SE Development Kit 21 and 1 other: Improper Access Control | 7.5 | 0.0031 |  |
| [CVE-2026-47021](https://patchblox.com/security/data/cve/CVE-2026-47021.md) | High | Java(TM) SE Development Kit 21 and 1 other: Uncontrolled Resource Consumption | 7.5 | 0.0031 |  |
| [CVE-2026-46968](https://patchblox.com/security/data/cve/CVE-2026-46968.md) | High | Java(TM) SE Development Kit 21 and 1 other: Improper Access Control | 7.5 | 0.0029 |  |
| [CVE-2026-46917](https://patchblox.com/security/data/cve/CVE-2026-46917.md) | High | Java(TM) SE Development Kit 21 and 1 other: Improper Access Control | 7.5 | 0.0029 |  |
| [CVE-2026-47027](https://patchblox.com/security/data/cve/CVE-2026-47027.md) | High | Java(TM) SE Development Kit 21 and 1 other: Improper Access Control | 7.5 | 0.0029 |  |
| [CVE-2026-60147](https://patchblox.com/security/data/cve/CVE-2026-60147.md) | High | Java(TM) SE Development Kit 21 and 1 other: Improper Access Control | 7.5 | 0.0029 |  |
| [CVE-2026-47063](https://patchblox.com/security/data/cve/CVE-2026-47063.md) | High | Java(TM) SE Development Kit 21 and 1 other: Improper Access Control | 7.5 | 0.0026 |  |
| [CVE-2026-47010](https://patchblox.com/security/data/cve/CVE-2026-47010.md) | High | Java(TM) SE Development Kit 21 and 1 other: Improper Access Control | 7.5 | 0.0025 |  |

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Data as of 2026-11-07T12:40:37Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo