# ELSA-2026-38489: Security update for 2 packages

ELSA-2026-38489, released September 1, 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-2026-38489
- Platform: Linux
- Released: Sep 1, 2026
- Priority: High (Closes CVE-2026-55999, high severity)
- CVEs: 2, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://linux.oracle.com/errata/ELSA-2026-38489.html

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [xorg-x11-server-Xwayland](https://patchblox.com/security/data/product/linux/xorg-x11-server-xwayland.md) | ol 10 | 0:24.1.9-4.el10_2.3 |
| [xorg-x11-server-Xwayland-devel](https://patchblox.com/security/data/product/linux/xorg-x11-server-xwayland-devel.md) | ol 10 | 0:24.1.9-4.el10_2.3 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2026-55999](https://patchblox.com/security/data/cve/CVE-2026-55999.md) | High | xorg-x11-server-Xwayland: Local attackers with a X connection able to provide PCX fonts to the X  server xorg-server before 21.2.24 and xwaylan... | 7.8 | 0.0033 |  |
| [CVE-2026-56000](https://patchblox.com/security/data/cve/CVE-2026-56000.md) | High | xorg-x11-server / xwayland GLX contextTags Use-After-Free in CommonMakeCurrent() | 7.8 | 0.0031 |  |

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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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo
