MEDIUM
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.
http://git.ghostscript.com/?p=ghostpdl.git;a=commit;h=3005fcb9bb160af199e761e03bc70a9f249a987e
http://git.ghostscript.com/?p=ghostpdl.git;a=commit;h=aeea342904978c9fe17d85f4906a0f6fcce2d315
http://www.securityfocus.com/bid/106154
https://access.redhat.com/errata/RHBA-2019:0327
https://access.redhat.com/errata/RHSA-2019:0229
https://bugs.ghostscript.com/show_bug.cgi?id=700153
https://lists.debian.org/debian-lts-announce/2018/11/msg00036.html
https://semmle.com/news/semmle-discovers-severe-vulnerability-ghostscript-postscript-pdf
https://usn.ubuntu.com/3831-1/
https://www.debian.org/security/2018/dsa-4346
https://www.ghostscript.com/doc/9.26/History9.htm#Version9.26
Source: MITRE
Published: 2018-11-23
Updated: 2019-04-25
Type: CWE-254
Base Score: 6.8
Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P
Impact Score: 6.4
Exploitability Score: 8.6
Severity: MEDIUM
Base Score: 7.8
Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Impact Score: 5.9
Exploitability Score: 1.8
Severity: HIGH