CVE-2018-16511: artifex ghostscript Incorrect Type Conversion or Cast
Vulnerability summary
CVE-2018-16511 is a high (CVSS 7.8) Incorrect Type Conversion or Cast vulnerability in artifex ghostscript. EPSS estimates a 1.94% chance of exploitation in the next 30 days, higher than 80.1% of scored vulnerabilities.
Not severe (CVSS 7.8, local access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 11 · Related 7Timeline
- 05-09-2018PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
An issue was discovered in Artifex Ghostscript before 9.24. A type confusion in "ztype" could be used by remote attackers able to supply crafted PostScript to crash the interpreter or possibly have unspecified other impact.
CVSS metrics
4 scores · 3 sources · 2 versions- OSV · UbuntuEcosystem advisory · calculated7.8HighCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated7.8HighCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS trend
Probability
1.94%
Chance of exploitation in the next 30 days
Percentile
80%
Versus all other CVEs
30-day change
No change 0.00 pp
From 1.94% on 04-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: local access, no authentication, user interaction (CVSS vector). Other conditions: not stated in public data.
Redhat6 products
- enterprise_linux_desktop7.0
- enterprise_linux_server7.0
- enterprise_linux_server_aus7.6
- enterprise_linux_server_eus7.6
- enterprise_linux_server_tus7.6
Debian2 products
- ghostscript< 9.22~dfsg-3
- debian_linuxEOL8.0 | 9.0
Artifex1 product
- ghostscript< 9.24
Canonical1 product
- ubuntu_linuxEOL14.04 | 16.04 | 18.04
Ubuntu1 product
- ghostscript< 9.10~dfsg-0ubuntu10.13 | < 9.18~dfsg~0-0ubuntu2.9 | < 9.22~dfsg+1-0ubuntu1.2
5 vendors · 11 products
References
13 links
- lists.debian.org/debian-lts-announce/2018/09/msg00015.htmlMailing ListX Refsource MLISTThird Party Advisory
- seclists.org/oss-sec/2018/q3/182X Refsource MISCIssue TrackingMailing ListPatchThird Party AdvisoryREPORT