# RHSA-2021:1852: Security update for 8 packages

RHSA-2021:1852, released May 18, 2021, fixes 26 CVEs across 8 products. None of them is reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/fix/linux/rhsa-2021-1852
- Platform: Linux
- Released: May 18, 2021
- Priority: High (Closes CVE-2020-16303, high severity)
- CVEs: 26, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://access.redhat.com/errata/RHSA-2021:1852

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [ghostscript](https://patchblox.com/security/data/product/linux/ghostscript.md) | RHEL 8 | 0:9.27-1.el8 |
| [ghostscript-doc](https://patchblox.com/security/data/product/linux/ghostscript-doc.md) | RHEL 8 | 0:9.27-1.el8 |
| [ghostscript-tools-dvipdf](https://patchblox.com/security/data/product/linux/ghostscript-tools-dvipdf.md) | RHEL 8 | 0:9.27-1.el8 |
| [ghostscript-tools-fonts](https://patchblox.com/security/data/product/linux/ghostscript-tools-fonts.md) | RHEL 8 | 0:9.27-1.el8 |
| [ghostscript-tools-printing](https://patchblox.com/security/data/product/linux/ghostscript-tools-printing.md) | RHEL 8 | 0:9.27-1.el8 |
| [ghostscript-x11](https://patchblox.com/security/data/product/linux/ghostscript-x11.md) | RHEL 8 | 0:9.27-1.el8 |
| [libgs](https://patchblox.com/security/data/product/linux/libgs.md) | RHEL 8 | 0:9.27-1.el8 |
| [libgs-devel](https://patchblox.com/security/data/product/linux/libgs-devel.md) | RHEL 8 | 0:9.27-1.el8 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2020-16303](https://patchblox.com/security/data/cve/CVE-2020-16303.md) | High | ghostscript: The Ghostscript suite contains utilities for rendering PostScript and PDF documents | 7.8 | 0.0181 |  |
| [CVE-2020-16291](https://patchblox.com/security/data/cve/CVE-2020-16291.md) | Routine | ghostscript: The Ghostscript suite contains utilities for rendering PostScript and PDF documents | 5.5 | 0.0228 |  |
| [CVE-2020-16297](https://patchblox.com/security/data/cve/CVE-2020-16297.md) | Routine | ghostscript: The Ghostscript suite contains utilities for rendering PostScript and PDF documents | 5.5 | 0.0228 |  |
| [CVE-2020-16305](https://patchblox.com/security/data/cve/CVE-2020-16305.md) | Routine | ghostscript: The Ghostscript suite contains utilities for rendering PostScript and PDF documents | 5.5 | 0.0225 |  |
| [CVE-2020-16296](https://patchblox.com/security/data/cve/CVE-2020-16296.md) | Routine | ghostscript: The Ghostscript suite contains utilities for rendering PostScript and PDF documents | 5.5 | 0.0205 |  |
| [CVE-2020-16288](https://patchblox.com/security/data/cve/CVE-2020-16288.md) | Routine | ghostscript: The Ghostscript suite contains utilities for rendering PostScript and PDF documents | 5.5 | 0.0200 |  |
| [CVE-2020-16289](https://patchblox.com/security/data/cve/CVE-2020-16289.md) | Routine | ghostscript: The Ghostscript suite contains utilities for rendering PostScript and PDF documents | 5.5 | 0.0199 |  |
| [CVE-2020-16290](https://patchblox.com/security/data/cve/CVE-2020-16290.md) | Routine | ghostscript: The Ghostscript suite contains utilities for rendering PostScript and PDF documents | 5.5 | 0.0199 |  |
| [CVE-2020-16292](https://patchblox.com/security/data/cve/CVE-2020-16292.md) | Routine | ghostscript: The Ghostscript suite contains utilities for rendering PostScript and PDF documents | 5.5 | 0.0199 |  |
| [CVE-2020-16298](https://patchblox.com/security/data/cve/CVE-2020-16298.md) | Routine | ghostscript: The Ghostscript suite contains utilities for rendering PostScript and PDF documents | 5.5 | 0.0199 |  |
| [CVE-2020-16300](https://patchblox.com/security/data/cve/CVE-2020-16300.md) | Routine | ghostscript: The Ghostscript suite contains utilities for rendering PostScript and PDF documents | 5.5 | 0.0199 |  |
| [CVE-2020-16304](https://patchblox.com/security/data/cve/CVE-2020-16304.md) | Routine | ghostscript: The Ghostscript suite contains utilities for rendering PostScript and PDF documents | 5.5 | 0.0193 |  |
| [CVE-2020-17538](https://patchblox.com/security/data/cve/CVE-2020-17538.md) | Routine | ghostscript: The Ghostscript suite contains utilities for rendering PostScript and PDF documents | 5.5 | 0.0193 |  |
| [CVE-2020-16301](https://patchblox.com/security/data/cve/CVE-2020-16301.md) | Routine | ghostscript: The Ghostscript suite contains utilities for rendering PostScript and PDF documents | 5.5 | 0.0191 |  |
| [CVE-2020-16287](https://patchblox.com/security/data/cve/CVE-2020-16287.md) | Routine | ghostscript: The Ghostscript suite contains utilities for rendering PostScript and PDF documents | 5.5 | 0.0187 |  |
| [CVE-2020-16294](https://patchblox.com/security/data/cve/CVE-2020-16294.md) | Routine | ghostscript: The Ghostscript suite contains utilities for rendering PostScript and PDF documents | 5.5 | 0.0187 |  |
| [CVE-2020-16302](https://patchblox.com/security/data/cve/CVE-2020-16302.md) | Routine | ghostscript: The Ghostscript suite contains utilities for rendering PostScript and PDF documents | 5.5 | 0.0187 |  |
| [CVE-2020-16308](https://patchblox.com/security/data/cve/CVE-2020-16308.md) | Routine | ghostscript: The Ghostscript suite contains utilities for rendering PostScript and PDF documents | 5.5 | 0.0187 |  |
| [CVE-2020-16309](https://patchblox.com/security/data/cve/CVE-2020-16309.md) | Routine | ghostscript: The Ghostscript suite contains utilities for rendering PostScript and PDF documents | 5.5 | 0.0187 |  |
| [CVE-2020-16299](https://patchblox.com/security/data/cve/CVE-2020-16299.md) | Routine | ghostscript: The Ghostscript suite contains utilities for rendering PostScript and PDF documents | 5.5 | 0.0183 |  |
| [CVE-2020-16293](https://patchblox.com/security/data/cve/CVE-2020-16293.md) | Routine | ghostscript: The Ghostscript suite contains utilities for rendering PostScript and PDF documents | 5.5 | 0.0178 |  |
| [CVE-2020-16295](https://patchblox.com/security/data/cve/CVE-2020-16295.md) | Routine | ghostscript: The Ghostscript suite contains utilities for rendering PostScript and PDF documents | 5.5 | 0.0178 |  |
| [CVE-2020-16306](https://patchblox.com/security/data/cve/CVE-2020-16306.md) | Routine | ghostscript: The Ghostscript suite contains utilities for rendering PostScript and PDF documents | 5.5 | 0.0178 |  |
| [CVE-2020-16307](https://patchblox.com/security/data/cve/CVE-2020-16307.md) | Routine | ghostscript-tools-fonts: The Ghostscript suite contains utilities for rendering PostScript and PDF documents | 5.5 | 0.0178 |  |
| [CVE-2020-16310](https://patchblox.com/security/data/cve/CVE-2020-16310.md) | Routine | ghostscript: The Ghostscript suite contains utilities for rendering PostScript and PDF documents | 5.5 | 0.0178 |  |
| [CVE-2020-14373](https://patchblox.com/security/data/cve/CVE-2020-14373.md) | Routine | ghostscript: The Ghostscript suite contains utilities for rendering PostScript and PDF documents | 5.5 | 0.0045 |  |

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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
