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CVE-2018-19134

Publication date 20 December 2018

Last updated 24 July 2024

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

7.8 · High

Score breakdown

In Artifex Ghostscript through 9.25, the setpattern operator did not properly validate certain types. A specially crafted PostScript document could exploit this to crash Ghostscript or, possibly, execute arbitrary code in the context of the Ghostscript process. This is a type confusion issue because of failure to check whether the Implementation of a pattern dictionary was a structure type.

Status

Package Ubuntu Release Status
ghostscript 18.10 cosmic
Fixed 9.26~dfsg+0-0ubuntu0.18.10.1
18.04 LTS bionic
Fixed 9.26~dfsg+0-0ubuntu0.18.04.1
16.04 LTS xenial
Fixed 9.26~dfsg+0-0ubuntu0.16.04.1
14.04 LTS trusty
Fixed 9.26~dfsg+0-0ubuntu0.14.04.1

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package Patch details
ghostscript

Severity score breakdown

Parameter Value
Base score 7.8 · High
Attack vector Local
Attack complexity Low
Privileges required None
User interaction Required
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H