Out-of-bounds Write Affecting libgs package, versions <0:9.27-11.el8


Severity

Recommended
medium

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.83% (82nd percentile)

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  • Snyk IDSNYK-ORACLE8-LIBGS-6082948
  • published23 Nov 2023
  • disclosed31 Mar 2023

Introduced: 31 Mar 2023

CVE-2023-28879  (opens in a new tab)
CWE-787  (opens in a new tab)

How to fix?

Upgrade Oracle:8 libgs to version 0:9.27-11.el8 or higher.
This issue was patched in ELSA-2023-7053.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libgs package and not the libgs package as distributed by Oracle. See How to fix? for Oracle:8 relevant fixed versions and status.

In Artifex Ghostscript through 10.01.0, there is a buffer overflow leading to potential corruption of data internal to the PostScript interpreter, in base/sbcp.c. This affects BCPEncode, BCPDecode, TBCPEncode, and TBCPDecode. If the write buffer is filled to one byte less than full, and one then tries to write an escaped character, two bytes are written.

CVSS Scores

version 3.1