CVE-2018-19475

Publication date 23 November 2018

Last updated 24 July 2024

Ubuntu priority

Cvss 3 Severity Score

psi/zdevice2.c in Artifex Ghostscript before 9.26 allows remote attackers to bypass intended access restrictions because available stack space is not checked when the device remains the same.

Status

Show unmaintained releases

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	Upstream: http://git.ghostscript.com/?p=ghostpdl.git;a=commit;h=3005fcb9bb160af199e761e03bc70a9f249a987e Upstream: http://git.ghostscript.com/?p=ghostpdl.git;a=commit;h=aeea342904978c9fe17d85f4906a0f6fcce2d315

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

References

Related Ubuntu Security Notices (USN)

USN-3831-1
Ghostscript vulnerabilities
29 November 2018