==========================================================================
Ubuntu Security Notice USN-6297-1
August 17, 2023

ghostscript vulnerability
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 23.04
- Ubuntu 22.04 LTS
- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS (Available with Ubuntu Pro)
- Ubuntu 16.04 LTS (Available with Ubuntu Pro)

Summary:

Ghostscript could be made to crash if it received specially crafted input.

Software Description:
- ghostscript: PostScript and PDF interpreter

Details:

It was discovered that Ghostscript incorrectly handled outputting certain
PDF files. A local attacker could potentially use this issue to cause
a crash, resulting in a denial of service.

Update instructions:

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

Ubuntu 23.04:
   ghostscript                     10.0.0~dfsg1-0ubuntu1.3
   libgs10                         10.0.0~dfsg1-0ubuntu1.3

Ubuntu 22.04 LTS:
   ghostscript                     9.55.0~dfsg1-0ubuntu5.4
   libgs9                          9.55.0~dfsg1-0ubuntu5.4

Ubuntu 20.04 LTS:
   ghostscript                     9.50~dfsg-5ubuntu4.9
   libgs9                          9.50~dfsg-5ubuntu4.9

Ubuntu 18.04 LTS (Available with Ubuntu Pro):
   ghostscript 9.26~dfsg+0-0ubuntu0.18.04.18+esm1
   libgs9 9.26~dfsg+0-0ubuntu0.18.04.18+esm1

Ubuntu 16.04 LTS (Available with Ubuntu Pro):
   ghostscript 9.26~dfsg+0-0ubuntu0.16.04.14+esm6
   libgs9 9.26~dfsg+0-0ubuntu0.16.04.14+esm6

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

References:
   https://ubuntu.com/security/notices/USN-6297-1
   CVE-2023-38559

Package Information:
https://launchpad.net/ubuntu/+source/ghostscript/10.0.0~dfsg1-0ubuntu1.3
https://launchpad.net/ubuntu/+source/ghostscript/9.55.0~dfsg1-0ubuntu5.4
https://launchpad.net/ubuntu/+source/ghostscript/9.50~dfsg-5ubuntu4.9

Ubuntu 6297-1: Ghostscript vulnerability

August 17, 2023
Ghostscript could be made to crash if it received specially crafted input.

Summary

A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 23.04 - Ubuntu 22.04 LTS - Ubuntu 20.04 LTS - Ubuntu 18.04 LTS (Available with Ubuntu Pro) - Ubuntu 16.04 LTS (Available with Ubuntu Pro) Summary: Ghostscript could be made to crash if it received specially crafted input. Software Description: - ghostscript: PostScript and PDF interpreter Details: It was discovered that Ghostscript incorrectly handled outputting certain PDF files. A local attacker could potentially use this issue to cause a crash, resulting in a denial of service.

Update Instructions

The problem can be corrected by updating your system to the following package versions: Ubuntu 23.04:   ghostscript                     10.0.0~dfsg1-0ubuntu1.3   libgs10                         10.0.0~dfsg1-0ubuntu1.3 Ubuntu 22.04 LTS:   ghostscript                     9.55.0~dfsg1-0ubuntu5.4   libgs9                          9.55.0~dfsg1-0ubuntu5.4 Ubuntu 20.04 LTS:   ghostscript                     9.50~dfsg-5ubuntu4.9   libgs9                          9.50~dfsg-5ubuntu4.9 Ubuntu 18.04 LTS (Available with Ubuntu Pro):   ghostscript 9.26~dfsg+0-0ubuntu0.18.04.18+esm1   libgs9 9.26~dfsg+0-0ubuntu0.18.04.18+esm1 Ubuntu 16.04 LTS (Available with Ubuntu Pro):   ghostscript 9.26~dfsg+0-0ubuntu0.16.04.14+esm6   libgs9 9.26~dfsg+0-0ubuntu0.16.04.14+esm6 In general, a standard system update will make all the necessary changes.

References

  https://ubuntu.com/security/notices/USN-6297-1

  CVE-2023-38559

Severity
Ubuntu Security Notice USN-6297-1

Package Information

https://launchpad.net/ubuntu/+source/ghostscript/10.0.0~dfsg1-0ubuntu1.3 https://launchpad.net/ubuntu/+source/ghostscript/9.55.0~dfsg1-0ubuntu5.4 https://launchpad.net/ubuntu/+source/ghostscript/9.50~dfsg-5ubuntu4.9

Related News

Defending Against Remote Code Execution in Google Chrome: A Critical Update
2 - 3 min read
Google Chrome, a widely used web browser, serves millions of internet users by connecting them to the online world. Unfortunately, severe
Navigating the Linux Kernel
2 - 4 min read
The Linux operating system, widely acclaimed for its robustness and security , recently received widespread media attention due to a significant
Staying a Step Ahead of Adversaries: Mitigating Chromium
2 - 4 min read
Google Chrome, one of the world's most widely used web browsers, has recently been scrutinized due to the discovery of multiple Chromium
Unmasking Cicada3301: Examining the Threat of the New Rust-Based Ransomware
2 - 4 min read
Ransomware has long been a severe threat to organizations and admins alike. Recently, cybersecurity researchers discovered a new variant called
Buffer Overflow Exploits in Linux: Origins, Impact, and Countermeasures
3 - 6 min read
Buffer overflow vulnerabilities have long been one of the biggest headaches in computer security, especially on Linux operating systems that power
8 Expert-Recommended Security Practices to Fortify Your Linux Systems
4 - 8 min read
As a Linux admin or an infosec professional, you understand how the security landscape changes due to evolving threats, newly discovered
Open Source Strategies for Enhancing Security in Digital Business Operations
5 - 9 min read
Digital transformation, powered by the principles of open-source security , is vital for businesses looking to excel in today's technology-driven
Microsoft Update Mayhem: Rescuing Linux Dual-Boot Systems from Secure Boot Woes
2 - 4 min read
Microsoft's recent patch, intended to strengthen Secure Boot defenses, has resulted in an unexpected setback for Linux-Windows dual-boot setups

Get the Latest News & Insights

Sign up to get the latest security news affecting Linux and open source delivered straight to your inbox.

© 2024 Guardian Digital, Inc All Rights Reserved