ghostscript regression
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 18.10
- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS
- Ubuntu 14.04 LTS
Summary
USN-3831-1 introduced a regression in Ghostscript.
Software Description
- ghostscript - PostScript and PDF interpreter
Details
USN-3831-1 fixed vulnerabilities in Ghostscript. Ghostscript 9.26 introduced a regression when used with certain options. This update fixes the problem.
Original advisory details:
It was discovered that Ghostscript contained multiple security issues. 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 - 9.26~dfsg+0-0ubuntu0.18.10.3
- libgs9 - 9.26~dfsg+0-0ubuntu0.18.10.3
- Ubuntu 18.04 LTS
- ghostscript - 9.26~dfsg+0-0ubuntu0.18.04.3
- libgs9 - 9.26~dfsg+0-0ubuntu0.18.04.3
- Ubuntu 16.04 LTS
- ghostscript - 9.26~dfsg+0-0ubuntu0.16.04.3
- libgs9 - 9.26~dfsg+0-0ubuntu0.16.04.3
- Ubuntu 14.04 LTS
- ghostscript - 9.26~dfsg+0-0ubuntu0.14.04.3
- libgs9 - 9.26~dfsg+0-0ubuntu0.14.04.3
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
In general, a standard system update will make all the necessary changes.