ghostscript vulnerability
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
Ghostscript could be made to crash, access files, or run programs if it opened a specially crafted file.
Software Description
- ghostscript - PostScript and PDF interpreter
Details
Tavis Ormandy 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 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+0-0ubuntu0.18.10.4
- libgs9 - 9.26~dfsg+0-0ubuntu0.18.10.4
- Ubuntu 18.04 LTS
- ghostscript - 9.26~dfsg+0-0ubuntu0.18.04.4
- libgs9 - 9.26~dfsg+0-0ubuntu0.18.04.4
- Ubuntu 16.04 LTS
- ghostscript - 9.26~dfsg+0-0ubuntu0.16.04.4
- libgs9 - 9.26~dfsg+0-0ubuntu0.16.04.4
- Ubuntu 14.04 LTS
- ghostscript - 9.26~dfsg+0-0ubuntu0.14.04.4
- libgs9 - 9.26~dfsg+0-0ubuntu0.14.04.4
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.