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CVE-2018-19475

Published: 23 November 2018

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.

Priority

Medium

Cvss 3 Severity Score

7.8

Score breakdown

Status

Package Release Status
ghostscript
Launchpad, Ubuntu, Debian
upstream
Released (9.26~dfsg-1)
xenial
Released (9.26~dfsg+0-0ubuntu0.16.04.1)
bionic
Released (9.26~dfsg+0-0ubuntu0.18.04.1)
cosmic
Released (9.26~dfsg+0-0ubuntu0.18.10.1)
trusty
Released (9.26~dfsg+0-0ubuntu0.14.04.1)
Patches:
upstream: http://git.ghostscript.com/?p=ghostpdl.git;a=commit;h=3005fcb9bb160af199e761e03bc70a9f249a987e (9.26)
upstream: http://git.ghostscript.com/?p=ghostpdl.git;a=commit;h=aeea342904978c9fe17d85f4906a0f6fcce2d315 (master)

Severity score breakdown

Parameter Value
Base score 7.8
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