CVE-2018-16539

Publication date 5 September 2018

Last updated 25 August 2025

Ubuntu priority

Cvss 3 Severity Score

Description

In Artifex Ghostscript before 9.24, attackers able to supply crafted PostScript files could use incorrect access checking in temp file handling to disclose contents of files on the system otherwise not readable.

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
ghostscript	18.04 LTS bionic	Fixed 9.22~dfsg+1-0ubuntu1.2
	16.04 LTS xenial	Fixed 9.18~dfsg~0-0ubuntu2.9
	14.04 LTS trusty	Fixed 9.10~dfsg-0ubuntu10.13

Notes

mdeslaur

second commit fixes regression

Patch details

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

Package	Patch details
ghostscript	Upstream: http://git.ghostscript.com/?p=ghostpdl.git;a=commit;h=a054156d425b4dbdaaa9fda4b5f1182b27598c2b Upstream: http://git.ghostscript.com/?p=ghostpdl.git;a=commit;h=150c8f69646b854a99f35f27edaae012eb2e900f

Severity score breakdown

Parameter	Value
Base score	5.5 · Medium
Attack vector	Local
Attack complexity	Low
Privileges required	None
User interaction	Required
Scope	Unchanged
Confidentiality	High
Integrity impact	None
Availability impact	None
Vector	CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

References

Related Ubuntu Security Notices (USN)

USN-3768-1
Ghostscript vulnerabilities
19 September 2018