# RHSA-2021:4393: Security update for 7 packages

RHSA-2021:4393, released November 9, 2021, fixes 1 CVE across 7 products. None of them is reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/fix/linux/rhsa-2021-4393
- Platform: Linux
- Released: Nov 9, 2021
- Priority: Routine (Closes CVE-2020-10001)
- CVEs: 1, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://access.redhat.com/errata/RHSA-2021:4393

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [cups](https://patchblox.com/security/data/product/linux/cups.md) | RHEL 8 | 1:2.2.6-40.el8 |
| [cups-client](https://patchblox.com/security/data/product/linux/cups-client.md) | RHEL 8 | 1:2.2.6-40.el8 |
| [cups-devel](https://patchblox.com/security/data/product/linux/cups-devel.md) | RHEL 8 | 1:2.2.6-40.el8 |
| [cups-filesystem](https://patchblox.com/security/data/product/linux/cups-filesystem.md) | RHEL 8 | 1:2.2.6-40.el8 |
| [cups-ipptool](https://patchblox.com/security/data/product/linux/cups-ipptool.md) | RHEL 8 | 1:2.2.6-40.el8 |
| [cups-libs](https://patchblox.com/security/data/product/linux/cups-libs.md) | RHEL 8 | 1:2.2.6-40.el8 |
| [cups-lpd](https://patchblox.com/security/data/product/linux/cups-lpd.md) | RHEL 8 | 1:2.2.6-40.el8 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2020-10001](https://patchblox.com/security/data/cve/CVE-2020-10001.md) | Routine | cups-ipptool: The Common UNIX Printing System (CUPS) provides a portable printing layer for Linux, UNIX, and similar operating syst... | 5.5 | 0.0104 |  |

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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo