CVE-2018-16802

Name: CVE-2018-16802
Creator: NVD / NIST
Published: 2018-09-10T16:29:00.95+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 2.16%

Last modified Jun 17, 2026

CVE-2018-16802 is a vulnerability of currently unknown severity. 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. EPSS estimates a 2.16% chance of exploitation in the next 30 days.

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

EPSS Probability

2.16%

79.9th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Artifex	Ghostscript	< 9.25
Debian	Debian Linux	8.0
Debian	Debian Linux	9.0
Canonical	Ubuntu Linux	14.04
Canonical	Ubuntu Linux	16.04
Canonical	Ubuntu Linux	18.04
Redhat	Enterprise Linux Desktop	7.0
Redhat	Enterprise Linux Server	7.0
Redhat	Enterprise Linux Server Aus	7.6
Redhat	Enterprise Linux Server Eus	7.6
Redhat	Enterprise Linux Server Tus	7.6
Redhat	Enterprise Linux Workstation	7.0

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
Status: Modified

Frequently Asked Questions

What is CVE-2018-16802?

How severe is CVE-2018-16802?

Severity scoring for CVE-2018-16802 is pending analysis. The EPSS model estimates a 2.16% probability of exploitation in the next 30 days.

How do I fix CVE-2018-16802?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2018-16802?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST