USN-3803-1: Ghostscript vulnerabilities

Releases

• Ubuntu 18.10
• Ubuntu 18.04 ESM
• Ubuntu 16.04 ESM
• Ubuntu 14.04 ESM

Packages

• ghostscript - PostScript and PDF interpreter

Details

Tavis Ormandy discovered multiple security issues in Ghostscript. If a user
or automated system were tricked into processing a specially crafted file,
a remote attacker could possibly use these issues to access arbitrary
files, execute arbitrary code, or cause a denial of service.

Update instructions

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

Ubuntu 18.10

• ghostscript - 9.25~dfsg+1-0ubuntu1.1
• libgs9 - 9.25~dfsg+1-0ubuntu1.1

Ubuntu 18.04

• ghostscript - 9.25~dfsg+1-0ubuntu0.18.04.2
• libgs9 - 9.25~dfsg+1-0ubuntu0.18.04.2

Ubuntu 16.04

• ghostscript - 9.25~dfsg+1-0ubuntu0.16.04.2
• libgs9 - 9.25~dfsg+1-0ubuntu0.16.04.2

Ubuntu 14.04

• ghostscript - 9.25~dfsg+1-0ubuntu0.14.04.2
• libgs9 - 9.25~dfsg+1-0ubuntu0.14.04.2

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

References

• CVE-2018-17961
• CVE-2018-18073
• CVE-2018-18284