# RHSA-2021:3891: Security update for 23 packages

RHSA-2021:3891, released October 20, 2021, fixes 10 CVEs across 23 products. None of them is reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/fix/linux/rhsa-2021-3891
- Platform: Linux
- Released: Oct 20, 2021
- Priority: Routine (Closes 10 CVEs, none high severity)
- CVEs: 10, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://access.redhat.com/errata/RHSA-2021:3891

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [java-11-openjdk](https://patchblox.com/security/data/product/linux/java-11-openjdk.md) | RHEL 8 | 1:11.0.13.0.8-1.el8_4 |
| [java-11-openjdk-demo](https://patchblox.com/security/data/product/linux/java-11-openjdk-demo.md) | RHEL 8 | 1:11.0.13.0.8-1.el8_4 |
| [java-11-openjdk-demo-fastdebug](https://patchblox.com/security/data/product/linux/java-11-openjdk-demo-fastdebug.md) | RHEL 8 | 1:11.0.13.0.8-1.el8_4 |
| [java-11-openjdk-demo-slowdebug](https://patchblox.com/security/data/product/linux/java-11-openjdk-demo-slowdebug.md) | RHEL 8 | 1:11.0.13.0.8-1.el8_4 |
| [java-11-openjdk-devel](https://patchblox.com/security/data/product/linux/java-11-openjdk-devel.md) | RHEL 8 | 1:11.0.13.0.8-1.el8_4 |
| [java-11-openjdk-devel-fastdebug](https://patchblox.com/security/data/product/linux/java-11-openjdk-devel-fastdebug.md) | RHEL 8 | 1:11.0.13.0.8-1.el8_4 |
| [java-11-openjdk-devel-slowdebug](https://patchblox.com/security/data/product/linux/java-11-openjdk-devel-slowdebug.md) | RHEL 8 | 1:11.0.13.0.8-1.el8_4 |
| [java-11-openjdk-fastdebug](https://patchblox.com/security/data/product/linux/java-11-openjdk-fastdebug.md) | RHEL 8 | 1:11.0.13.0.8-1.el8_4 |
| [java-11-openjdk-headless](https://patchblox.com/security/data/product/linux/java-11-openjdk-headless.md) | RHEL 8 | 1:11.0.13.0.8-1.el8_4 |
| [java-11-openjdk-headless-fastdebug](https://patchblox.com/security/data/product/linux/java-11-openjdk-headless-fastdebug.md) | RHEL 8 | 1:11.0.13.0.8-1.el8_4 |
| [java-11-openjdk-headless-slowdebug](https://patchblox.com/security/data/product/linux/java-11-openjdk-headless-slowdebug.md) | RHEL 8 | 1:11.0.13.0.8-1.el8_4 |
| [java-11-openjdk-javadoc](https://patchblox.com/security/data/product/linux/java-11-openjdk-javadoc.md) | RHEL 8 | 1:11.0.13.0.8-1.el8_4 |
| [java-11-openjdk-javadoc-zip](https://patchblox.com/security/data/product/linux/java-11-openjdk-javadoc-zip.md) | RHEL 8 | 1:11.0.13.0.8-1.el8_4 |
| [java-11-openjdk-jmods](https://patchblox.com/security/data/product/linux/java-11-openjdk-jmods.md) | RHEL 8 | 1:11.0.13.0.8-1.el8_4 |
| [java-11-openjdk-jmods-fastdebug](https://patchblox.com/security/data/product/linux/java-11-openjdk-jmods-fastdebug.md) | RHEL 8 | 1:11.0.13.0.8-1.el8_4 |
| [java-11-openjdk-jmods-slowdebug](https://patchblox.com/security/data/product/linux/java-11-openjdk-jmods-slowdebug.md) | RHEL 8 | 1:11.0.13.0.8-1.el8_4 |
| [java-11-openjdk-slowdebug](https://patchblox.com/security/data/product/linux/java-11-openjdk-slowdebug.md) | RHEL 8 | 1:11.0.13.0.8-1.el8_4 |
| [java-11-openjdk-src](https://patchblox.com/security/data/product/linux/java-11-openjdk-src.md) | RHEL 8 | 1:11.0.13.0.8-1.el8_4 |
| [java-11-openjdk-src-fastdebug](https://patchblox.com/security/data/product/linux/java-11-openjdk-src-fastdebug.md) | RHEL 8 | 1:11.0.13.0.8-1.el8_4 |
| [java-11-openjdk-src-slowdebug](https://patchblox.com/security/data/product/linux/java-11-openjdk-src-slowdebug.md) | RHEL 8 | 1:11.0.13.0.8-1.el8_4 |
| [java-11-openjdk-static-libs](https://patchblox.com/security/data/product/linux/java-11-openjdk-static-libs.md) | RHEL 8 | 1:11.0.13.0.8-1.el8_4 |
| [java-11-openjdk-static-libs-fastdebug](https://patchblox.com/security/data/product/linux/java-11-openjdk-static-libs-fastdebug.md) | RHEL 8 | 1:11.0.13.0.8-1.el8_4 |
| [java-11-openjdk-static-libs-slowdebug](https://patchblox.com/security/data/product/linux/java-11-openjdk-static-libs-slowdebug.md) | RHEL 8 | 1:11.0.13.0.8-1.el8_4 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2021-35559](https://patchblox.com/security/data/cve/CVE-2021-35559.md) | Routine | java-17-openjdk-src: The java-17-openjdk packages provide the OpenJDK 17 Java Runtime Environment and the OpenJDK 17 Java Software Develop... | 6.8 | 0.1590 |  |
| [CVE-2021-35556](https://patchblox.com/security/data/cve/CVE-2021-35556.md) | Routine | java-17-openjdk-demo-fastdebug: The java-17-openjdk packages provide the OpenJDK 17 Java Runtime Environment and the OpenJDK 17 Java Software Develop... | 6.8 | 0.0840 |  |
| [CVE-2021-35565](https://patchblox.com/security/data/cve/CVE-2021-35565.md) | Routine | java-1.8.0-openjdk: The java-1.8.0-openjdk packages provide the OpenJDK 8 Java Runtime Environment and the OpenJDK 8 Java Software Develo... | 5.3 | 0.0740 |  |
| [CVE-2021-35550](https://patchblox.com/security/data/cve/CVE-2021-35550.md) | Routine | java-1.8.0-openjdk: The java-1.8.0-openjdk packages provide the OpenJDK 8 Java Runtime Environment and the OpenJDK 8 Java Software Develo... | 5.9 | 0.0738 |  |
| [CVE-2021-35561](https://patchblox.com/security/data/cve/CVE-2021-35561.md) | Routine | java-17-openjdk-demo-slowdebug: The java-17-openjdk packages provide the OpenJDK 17 Java Runtime Environment and the OpenJDK 17 Java Software Develop... | 6.8 | 0.0695 |  |
| [CVE-2021-35586](https://patchblox.com/security/data/cve/CVE-2021-35586.md) | Routine | java-11-openjdk-devel-slowdebug: The java-11-openjdk packages provide the OpenJDK 11 Java Runtime Environment and the OpenJDK 11 Java Software Develop... | 6.8 | 0.0679 |  |
| [CVE-2021-35578](https://patchblox.com/security/data/cve/CVE-2021-35578.md) | Routine | java-17-openjdk-demo-slowdebug: The java-17-openjdk packages provide the OpenJDK 17 Java Runtime Environment and the OpenJDK 17 Java Software Develop... | 6.8 | 0.0668 |  |
| [CVE-2021-35564](https://patchblox.com/security/data/cve/CVE-2021-35564.md) | Routine | java-1.8.0-openjdk: The java-1.8.0-openjdk packages provide the OpenJDK 8 Java Runtime Environment and the OpenJDK 8 Java Software Develo... | 6.8 | 0.0563 |  |
| [CVE-2021-35603](https://patchblox.com/security/data/cve/CVE-2021-35603.md) | Routine | java-1.8.0-openjdk: The java-1.8.0-openjdk packages provide the OpenJDK 8 Java Runtime Environment and the OpenJDK 8 Java Software Develo... | 6.8 | 0.0441 |  |
| [CVE-2021-35567](https://patchblox.com/security/data/cve/CVE-2021-35567.md) | Routine | java-17-openjdk-demo: The java-17-openjdk packages provide the OpenJDK 17 Java Runtime Environment and the OpenJDK 17 Java Software Develop... | 6.8 | 0.0290 |  |

---

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
