# RLSA-2026:9689: java-21-openjdk security update

RLSA-2026:9689, released April 28, 2026, fixes 8 CVEs in java-21-openjdk (version 1:21.0.11.0.10-2.el9_7). None of them is reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/fix/linux/rlsa-2026-9689
- Platform: Linux
- Released: Apr 28, 2026
- Priority: High (Closes CVE-2026-22016, high severity)
- CVEs: 8, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://errata.rockylinux.org/RLSA-2026:9689

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [java-21-openjdk](https://patchblox.com/security/data/product/linux/java-21-openjdk.md) | rocky 9 | 1:21.0.11.0.10-2.el9_7 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2026-22016](https://patchblox.com/security/data/cve/CVE-2026-22016.md) | High | Java(TM) SE Development Kit 21 and 1 other: Exposure of Sensitive Information to an Unauthorized Actor | 7.6 | 0.0070 |  |
| [CVE-2026-34282](https://patchblox.com/security/data/cve/CVE-2026-34282.md) | High | Java(TM) SE Development Kit 21 and 1 other: Uncontrolled Resource Consumption | 7.6 | 0.0064 |  |
| [CVE-2026-22021](https://patchblox.com/security/data/cve/CVE-2026-22021.md) | High | Java(TM) SE Development Kit 21 and 1 other: Uncontrolled Resource Consumption | 7.6 | 0.0031 |  |
| [CVE-2026-22018](https://patchblox.com/security/data/cve/CVE-2026-22018.md) | High | Java(TM) SE Development Kit 21 and 1 other: Allocation of Resources Without Limits or Throttling | 7.6 | 0.0027 |  |
| [CVE-2026-22013](https://patchblox.com/security/data/cve/CVE-2026-22013.md) | High | Java(TM) SE Development Kit 21 and 1 other: Protection Mechanism Failure | 7.6 | 0.0026 |  |
| [CVE-2026-23865](https://patchblox.com/security/data/cve/CVE-2026-23865.md) | High | An integer overflow in the tt_var_load_item_variation_store function of the Freetype library in versions 2.13.2 and 2.13.3 may allow for an out of bounds read operation when parsing HVAR/VVAR/MVAR tables in OpenType variable fonts. This issue is fixed in version 2.14.2. | 7.6 | 0.0017 |  |
| [CVE-2026-22007](https://patchblox.com/security/data/cve/CVE-2026-22007.md) | High | Java(TM) SE Development Kit 21 and 1 other: Exposure of Sensitive Information to an Unauthorized Actor | 7.6 | 0.0012 |  |
| [CVE-2026-34268](https://patchblox.com/security/data/cve/CVE-2026-34268.md) | High | Java(TM) SE Development Kit 21 and 1 other: Exposure of Sensitive Information to an Unauthorized Actor | 7.6 | 0.0012 |  |

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Data as of 2026-11-07T18:46:35Z 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

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