# ALSA-2023:6544: Security update for 8 packages

ALSA-2023:6544, released November 7, 2023, fixes 2 CVEs across 8 products. None of them is reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/fix/linux/alsa-2023-6544
- Platform: Linux
- Released: Nov 7, 2023
- Priority: High (Closes CVE-2023-28879, high severity)
- CVEs: 2, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://osv.dev/vulnerability/ALSA-2023:6544

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [ghostscript](https://patchblox.com/security/data/product/linux/ghostscript.md) | almalinux 9 | 9.54.0-13.el9 |
| [ghostscript-doc](https://patchblox.com/security/data/product/linux/ghostscript-doc.md) | almalinux 9 | 9.54.0-13.el9 |
| [ghostscript-tools-dvipdf](https://patchblox.com/security/data/product/linux/ghostscript-tools-dvipdf.md) | almalinux 9 | 9.54.0-13.el9 |
| [ghostscript-tools-fonts](https://patchblox.com/security/data/product/linux/ghostscript-tools-fonts.md) | almalinux 9 | 9.54.0-13.el9 |
| [ghostscript-tools-printing](https://patchblox.com/security/data/product/linux/ghostscript-tools-printing.md) | almalinux 9 | 9.54.0-13.el9 |
| [ghostscript-x11](https://patchblox.com/security/data/product/linux/ghostscript-x11.md) | almalinux 9 | 9.54.0-13.el9 |
| [libgs](https://patchblox.com/security/data/product/linux/libgs.md) | almalinux 9 | 9.54.0-13.el9 |
| [libgs-devel](https://patchblox.com/security/data/product/linux/libgs-devel.md) | almalinux 9 | 9.54.0-13.el9 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2023-28879](https://patchblox.com/security/data/cve/CVE-2023-28879.md) | High | ghostscript: The Ghostscript suite contains utilities for rendering PostScript and PDF documents | 9.8 | 0.0634 |  |
| [CVE-2023-38559](https://patchblox.com/security/data/cve/CVE-2023-38559.md) | Routine | libgs: The Ghostscript suite contains utilities for rendering PostScript and PDF documents | 5.5 | 0.0044 |  |

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Data as of 2026-11-07T06:34:28Z 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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo