# RHSA-2021:1068: Security update for 4 packages

RHSA-2021:1068, released April 6, 2021, fixes 1 CVE across 4 products. None of them is reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/fix/linux/rhsa-2021-1068
- Platform: Linux
- Released: Apr 6, 2021
- Priority: High (Closes CVE-2021-21381, high severity)
- CVEs: 1, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://access.redhat.com/errata/RHSA-2021:1068

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [flatpak](https://patchblox.com/security/data/product/linux/flatpak.md) | RHEL 8 | 0:1.6.2-6.el8_3 |
| [flatpak-libs](https://patchblox.com/security/data/product/linux/flatpak-libs.md) | RHEL 8 | 0:1.6.2-6.el8_3 |
| [flatpak-selinux](https://patchblox.com/security/data/product/linux/flatpak-selinux.md) | RHEL 8 | 0:1.6.2-6.el8_3 |
| [flatpak-session-helper](https://patchblox.com/security/data/product/linux/flatpak-session-helper.md) | RHEL 8 | 0:1.6.2-6.el8_3 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2021-21381](https://patchblox.com/security/data/cve/CVE-2021-21381.md) | High | flatpak: Flatpak is a system for building, distributing, and running sandboxed desktop applications on Linux.  Security Fix(es... | 8.2 | 0.0155 |  |

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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo