CVE-2018-16802

HighCVSS 7.8/10Last modified Jun 17, 2026

Description

An issue was discovered in Artifex Ghostscript before 9.25. Incorrect "restoration of privilege" checking when running out of stack during exception handling could be used by attackers able to supply crafted PostScript to execute code using the "pipe" instruction. This is due to an incomplete fix for CVE-2018-16509.

Metrics

CVSS 3.0 7.8/10CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected software

Vendor	Product	Versions
n/a	n/a	n/a

References

http://git.ghostscript.com/?p=ghostpdl.git%3Ba=commit%3Bh=3e5d316b72e3965b7968bb1d96baa137cd063ac6
http://git.ghostscript.com/?p=ghostpdl.git%3Ba=commit%3Bh=643b24dbd002fb9c131313253c307cf3951b3d47
https://access.redhat.com/errata/RHSA-2018:3834Third Party Advisory
https://git.ghostscript.com/?p=ghostpdl.git%3Ba=commitdiff%3Bh=5812b1b78fc4d36fdc293b7859de69241140d590
https://lists.debian.org/debian-lts-announce/2018/09/msg00015.htmlMailing List, Third Party Advisory
https://seclists.org/oss-sec/2018/q3/228Mailing List, Third Party Advisory
https://seclists.org/oss-sec/2018/q3/229Mailing List, Third Party Advisory
https://security.gentoo.org/glsa/201811-12Third Party Advisory
https://usn.ubuntu.com/3768-1/Third Party Advisory
https://www.debian.org/security/2018/dsa-4294Third Party Advisory
http://git.ghostscript.com/?p=ghostpdl.git%3Ba=commit%3Bh=3e5d316b72e3965b7968bb1d96baa137cd063ac6
http://git.ghostscript.com/?p=ghostpdl.git%3Ba=commit%3Bh=643b24dbd002fb9c131313253c307cf3951b3d47
https://access.redhat.com/errata/RHSA-2018:3834Third Party Advisory
https://git.ghostscript.com/?p=ghostpdl.git%3Ba=commitdiff%3Bh=5812b1b78fc4d36fdc293b7859de69241140d590
https://lists.debian.org/debian-lts-announce/2018/09/msg00015.htmlMailing List, Third Party Advisory
https://seclists.org/oss-sec/2018/q3/228Mailing List, Third Party Advisory
https://seclists.org/oss-sec/2018/q3/229Mailing List, Third Party Advisory
https://security.gentoo.org/glsa/201811-12Third Party Advisory
https://usn.ubuntu.com/3768-1/Third Party Advisory
https://www.debian.org/security/2018/dsa-4294Third Party Advisory

Timeline

Published: Sep 10, 2018
Last modified: Jun 17, 2026
NVD status: Modified

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