USN-3636-1: Ghostscript vulnerabilities

Releases

• Ubuntu 18.04 ESM
• Ubuntu 17.10
• Ubuntu 16.04 ESM
• Ubuntu 14.04 ESM

Packages

• ghostscript - PostScript and PDF interpreter

Details

It was discovered that Ghostscript incorrectly handled certain PostScript
files. An attacker could possibly use this to cause a denial of server.
(CVE-2016-10317)

It was discovered that Ghostscript incorrectly handled certain PDF files.
An attacker could possibly use this to cause a denial of service.
(CVE-2018-10194)

Update instructions

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

Ubuntu 18.04

• ghostscript - 9.22~dfsg+1-0ubuntu1.1
• libgs9 - 9.22~dfsg+1-0ubuntu1.1

Ubuntu 17.10

• ghostscript - 9.21~dfsg+1-0ubuntu3.1
• libgs9 - 9.21~dfsg+1-0ubuntu3.1

Ubuntu 16.04

• ghostscript - 9.18~dfsg~0-0ubuntu2.8
• libgs9 - 9.18~dfsg~0-0ubuntu2.8

Ubuntu 14.04

• ghostscript - 9.10~dfsg-0ubuntu10.12
• libgs9 - 9.10~dfsg-0ubuntu10.12

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

References

• CVE-2016-10317
• CVE-2018-10194