# RHSA-2023:2786: Security update for 5 packages

RHSA-2023:2786, released May 16, 2023, fixes 1 CVE across 5 products. None of them is reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/fix/linux/rhsa-2023-2786
- Platform: Linux
- Released: May 16, 2023
- Priority: High (Closes CVE-2021-3782, high severity)
- CVEs: 1, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://access.redhat.com/errata/RHSA-2023:2786

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [libwayland-client](https://patchblox.com/security/data/product/linux/libwayland-client.md) | RHEL 8 | 0:1.21.0-1.el8 |
| [libwayland-cursor](https://patchblox.com/security/data/product/linux/libwayland-cursor.md) | RHEL 8 | 0:1.21.0-1.el8 |
| [libwayland-egl](https://patchblox.com/security/data/product/linux/libwayland-egl.md) | RHEL 8 | 0:1.21.0-1.el8 |
| [libwayland-server](https://patchblox.com/security/data/product/linux/libwayland-server.md) | RHEL 8 | 0:1.21.0-1.el8 |
| [wayland-devel](https://patchblox.com/security/data/product/linux/wayland-devel.md) | RHEL 8 | 0:1.21.0-1.el8 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2021-3782](https://patchblox.com/security/data/cve/CVE-2021-3782.md) | High | libwayland-egl: Wayland is a protocol for a compositor to talk to its clients, as well as a C library implementation of that protocol | 9.8 | 0.0032 |  |

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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo