UNKNOWN READ Vulnerability in ghostscript

ghostscript Updated 02 Oct 2025

Summary

12/04/2023

Disclosed on

MEDIUM

Severity

Yes i

Fix available

Medium

Severity

Not published

CVSS Score

OSV-2023-297: UNKNOWN READ in pdfi_read_cff_font. Affects ghostscript versions >= 7409743d98cab135da537bce11103a8416d77f60, < acaa21f68ede3ae8fca48136fa95ee32de6533b2. Fixed in acaa21f68ede3ae8fca48136fa95ee32de6533b2. How to fix ↓

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Background

Ghostscript is an open-source interpreter for the PostScript language and the PDF file format. It is widely used for rendering and converting PDF files. The vulnerability affects the pdfi_read_cff_font function in Ghostscript, which is responsible for reading Compact Font Format (CFF) fonts. This vulnerability allows for an unknown read operation, which can lead to a crash or potential information disclosure.

Vulnerability Detail

The vulnerability originates from the pdfi_read_cff_font function in Ghostscript. It can be triggered when processing a specially crafted PDF file containing a CFF font. An attacker could exploit this vulnerability to crash the application or potentially access sensitive information from memory. The vulnerability has a medium severity rating.

How To Fix

Minimum fixed version

acaa21f68ede3ae8fca48136fa95ee32de6533b2

This is the first release that contains the fix.

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Workaround

There is no known workaround for this vulnerability at the moment.

Conclusion

The UNKNOWN READ vulnerability in Ghostscript can lead to crashes or potential information disclosure. It is recommended to update Ghostscript to the latest version to mitigate this vulnerability. For further support on vulnerability remediation, please contact DevNack.com.

See every vulnerability recorded for ghostscript →