Moderate: ghostscript security and bug fix update

Related Vulnerabilities: CVE-2023-4042   CVE-2023-28879   CVE-2023-38559  

Synopsis

Moderate: ghostscript security and bug fix update

Type/Severity

Security Advisory: Moderate

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Topic

An update for ghostscript is now available for Red Hat Enterprise Linux 8.

Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Description

The Ghostscript suite contains utilities for rendering PostScript and PDF documents. Ghostscript translates PostScript code to common bitmap formats so that the code can be displayed or printed.

Security Fix(es):

  • ghostscript: buffer overflow in base/sbcp.c leading to data corruption (CVE-2023-28879)
  • ghostscript: Out-of-bound read in base/gdevdevn.c:1973 in devn_pcx_write_rle could result in DoS (CVE-2023-38559)
  • ghostscript: Incomplete fix for CVE-2020-16305 (CVE-2023-4042)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Additional Changes:

For detailed information on changes in this release, see the Red Hat Enterprise Linux 8.9 Release Notes linked from the References section.

Solution

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

Affected Products

  • Red Hat Enterprise Linux for x86_64 8 x86_64
  • Red Hat Enterprise Linux for IBM z Systems 8 s390x
  • Red Hat Enterprise Linux for Power, little endian 8 ppc64le
  • Red Hat Enterprise Linux for ARM 64 8 aarch64
  • Red Hat CodeReady Linux Builder for x86_64 8 x86_64
  • Red Hat CodeReady Linux Builder for Power, little endian 8 ppc64le
  • Red Hat CodeReady Linux Builder for ARM 64 8 aarch64
  • Red Hat CodeReady Linux Builder for IBM z Systems 8 s390x

Fixes

  • BZ - 2184585 - CVE-2023-28879 ghostscript: buffer overflow in base/sbcp.c leading to data corruption
  • BZ - 2224367 - CVE-2023-38559 ghostscript: Out-of-bound read in base/gdevdevn.c:1973 in devn_pcx_write_rle could result in DoS
  • BZ - 2228151 - CVE-2023-4042 ghostscript: Incomplete fix for CVE-2020-16305