1. Ubuntu Security Notices
  2. USN-4686-1

USN-4686-1: Ghostscript vulnerabilities

Publication date

7 January 2021

Overview

Several security issues were fixed in Ghostscript.

Releases

Packages

Details

It was discovered that Ghostscript incorrectly handled certain image
files. If a user or automated system were tricked into processing a
specially crafted file, a remote attacker could use this issue to cause
Ghostscript to crash, resulting in a denial of service, or possibly
execute arbitrary code.

It was discovered that Ghostscript incorrectly handled certain image
files. If a user or automated system were tricked into processing a
specially crafted file, a remote attacker could use this issue to cause
Ghostscript to crash, resulting in a denial of service, or possibly
execute arbitrary code.

Update instructions

In general, a standard system update will make all the necessary changes.

Learn more about how to get the fixes.

The problem can be corrected by updating your system to the following package versions:

Ubuntu Release Package Version
18.04 bionic ghostscript –  9.26~dfsg+0-0ubuntu0.18.04.14
libgs9 –  9.26~dfsg+0-0ubuntu0.18.04.14
16.04 xenial ghostscript –  9.26~dfsg+0-0ubuntu0.16.04.14
libgs9 –  9.26~dfsg+0-0ubuntu0.16.04.14

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References

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