USN-3866-1: Ghostscript vulnerability

USN-3866-1: Ghostscript vulnerability

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
ghostscript9.26~dfsg+0-0ubuntu0.18.10.4
libgs99.26~dfsg+0-0ubuntu0.18.10.4
Ubuntu 18.04 LTS
ghostscript9.26~dfsg+0-0ubuntu0.18.04.4
libgs99.26~dfsg+0-0ubuntu0.18.04.4
Ubuntu 16.04 LTS
ghostscript9.26~dfsg+0-0ubuntu0.16.04.4
libgs99.26~dfsg+0-0ubuntu0.16.04.4
Ubuntu 14.04 LTS
ghostscript9.26~dfsg+0-0ubuntu0.14.04.4
libgs99.26~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.

References

Source: USN-3866-1: Ghostscript vulnerability

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