Use After Free Affecting ghostscript package, versions [,9.53.0)


Severity

Recommended
0.0
high
0
10

CVSS assessment made by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.07% (34th percentile)

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  • Snyk IDSNYK-UNMANAGED-GHOSTSCRIPT-6231850
  • published8 Feb 2024
  • disclosed4 Feb 2024
  • creditUnknown

Introduced: 4 Feb 2024

CVE-2020-36773  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade ghostscript to version 9.53.0 or higher.

Overview

Affected versions of this package are vulnerable to Use After Free in devices/vector/gdevtxtw.c, due to improper handling of character codes in PDF documents that map to multiple Unicode code points. An attacker can execute arbitrary code or cause a crash by crafting a PDF document that exploits the out-of-bounds write and use-after-free conditions in the txtwrite device.

CVSS Scores

version 3.1