USN-6364-1: Ghostscript vulnerabilities

Published Sep 13, 2023
·
Updated

It was discovered that Ghostscript incorrectly handled certain PDF files. An attacker could possibly use this issue to cause a denial of service. (CVE-2020-21710) It was discovered that Ghostscript incorrectly handled certain PDF files. An attacker could possibly use this issue to cause a denial of service, or possibly execute arbitrary code. (CVE-2020-21890)

Affected Software

12 affected componentsFixes available
All of the following
ubuntu/ghostscript<9.50~dfsg-5ubuntu4.10
9.50~dfsg-5ubuntu4.10
Ubuntu Ubuntu=20.04
All of the following
ubuntu/libgs9<9.50~dfsg-5ubuntu4.10
9.50~dfsg-5ubuntu4.10
Ubuntu Ubuntu=20.04
All of the following
ubuntu/ghostscript<9.26~dfsg+0-0ubuntu0.18.04.18+esm2
9.26~dfsg+0-0ubuntu0.18.04.18+esm2
Ubuntu Ubuntu=18.04
All of the following
ubuntu/libgs9<9.26~dfsg+0-0ubuntu0.18.04.18+esm2
9.26~dfsg+0-0ubuntu0.18.04.18+esm2
Ubuntu Ubuntu=18.04
All of the following
ubuntu/ghostscript<9.26~dfsg+0-0ubuntu0.16.04.14+esm7
9.26~dfsg+0-0ubuntu0.16.04.14+esm7
Ubuntu Ubuntu=16.04
All of the following
ubuntu/libgs9<9.26~dfsg+0-0ubuntu0.16.04.14+esm7
9.26~dfsg+0-0ubuntu0.16.04.14+esm7
Ubuntu Ubuntu=16.04

Event History

Sep 13, 2023
Advisory Published
via Ubuntu·12:00 AM

Child vulnerabilities

Contains the following vulnerabilities.

Frequently Asked Questions

1

What is the vulnerability ID for these Ghostscript vulnerabilities?

The vulnerability ID for these Ghostscript vulnerabilities is CVE-2020-21710.

2

What is the severity of CVE-2020-21710?

The severity of CVE-2020-21710 is not specified in the information provided.

3

How can an attacker exploit CVE-2020-21710?

An attacker could exploit CVE-2020-21710 by using a specially crafted PDF file to cause a denial of service.

4

Which software versions are affected by these vulnerabilities?

The affected software versions are Ghostscript 9.50~dfsg-5ubuntu4.10, libgs9 9.50~dfsg-5ubuntu4.10, Ghostscript 9.26~dfsg+0-0ubuntu0.18.04.18+esm2, libgs9 9.26~dfsg+0-0ubuntu0.18.04.18+esm2, Ghostscript 9.26~dfsg+0-0ubuntu0.16.04.14+esm7, and libgs9 9.26~dfsg+0-0ubuntu0.16.04.14+esm7.

5

How do I fix the Ghostscript vulnerabilities?

To fix the Ghostscript vulnerabilities, it is recommended to update to the latest version of the affected software packages as specified in the provided references.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203