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Ubuntu 16.04 ESM: USN-5224-2 Moderate: Ghostscript DoS and Execution Risk

ubuntu
Calendar Grey January 13, 2022
Dist Ubuntu Esm H88
Patch deployed for Ghostscript security flaws on Ubuntu 16.04 ESM targeting denial of service and remote code execution threats.
Several security issues were fixed in Ghostscript.

Summary

Several security issues were fixed in Ghostscript.

Software Description:

- ghostscript: PostScript and PDF interpreter

Details:

USN-5224-1 fixed several vulnerabilities in Ghostscript. This update provides

the corresponding update for Ubuntu 16.04 ESM.

Original advisory details:

It was discovered that Ghostscript incorrectly handled certain PostScript

files. If a user or automated system were tricked into processing a

specially crafted file, a remote attacker could possibly use this issue to

cause Ghostscript to crash, resulting in a denial of service, or possibly

execute arbitrary code.

Topics%20covered

Topics Covered

security advisory denial of service remote code execution Ubuntu Ghostscript

Update Instructions

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

Ubuntu 16.04 ESM:
  ghostscript                     9.26~dfsg+0-0ubuntu0.16.04.14+esm1
  libgs9                          9.26~dfsg+0-0ubuntu0.16.04.14+esm1

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

References

https://ubuntu.com/security/notices/USN-5224-2

https://ubuntu.com/security/notices/USN-5224-1

CVE-2021-45944, CVE-2021-45949

January 13, 2022

Topics%20covered

Topics Covered

security advisory denial of service remote code execution Ubuntu Ghostscript

Package Information

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