# ELSA-2026-3443: Security update for 2 packages

ELSA-2026-3443, released February 26, 2026, fixes 2 CVEs across 2 products. None of them is reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/fix/linux/elsa-2026-3443
- Platform: Linux
- Released: Feb 26, 2026
- Priority: High (Closes CVE-2026-21863, high severity)
- CVEs: 2, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://linux.oracle.com/errata/ELSA-2026-3443.html

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [valkey](https://patchblox.com/security/data/product/linux/valkey.md) | ol 10 | 0:8.0.7-1.el10_1 |
| [valkey-devel](https://patchblox.com/security/data/product/linux/valkey-devel.md) | ol 10 | 0:8.0.7-1.el10_1 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2026-21863](https://patchblox.com/security/data/cve/CVE-2026-21863.md) | High | Malformed Valkey Cluster bus message can lead to Remote DoS | 8.5 | 0.0085 |  |
| [CVE-2025-67733](https://patchblox.com/security/data/cve/CVE-2025-67733.md) | High | Valkey Affected by RESP Protocol Injection via Lua error_reply | 8.5 | 0.0065 |  |

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Data as of 2026-11-07T06:34:28Z 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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo