CVE-2018-19476: artifex ghostscript Incorrect Type Conversion or Cast
Vulnerability summary
CVE-2018-19476 is a high (CVSS 7.8) Incorrect Type Conversion or Cast vulnerability in artifex ghostscript. EPSS estimates a 3.04% chance of exploitation in the next 30 days, higher than 87.5% of scored vulnerabilities. 1 public exploit is recorded.
Public exploit (reference, Date unknown)
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 8 · Related 5Timeline
- 23-11-2018PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
psi/zicc.c in Artifex Ghostscript before 9.26 allows remote attackers to bypass intended access restrictions because of a setcolorspace type confusion.
CVSS metrics
5 scores · 4 sources · 2 versions- OSV · AlpineEcosystem advisory · calculated7.8HighCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- 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
3.04%
Chance of exploitation in the next 30 days
Percentile
88%
Versus all other CVEs
30-day change
No change 0.00 pp
From 3.04% 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
1 foundExploit Reference (semmle.com)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Known conditions: local access, no authentication, user interaction (CVSS vector). Other conditions: not stated in public data.
Redhat7 products
- enterprise_linux_desktop7.0
- enterprise_linux_server7.0 | 7.6
- enterprise_linux_server_aus7.6
- enterprise_linux_server_eus7.6
- enterprise_linux_server_tus7.6
Debian2 products
- ghostscript< 9.26~dfsg-1
- debian_linuxEOL8.0 | 9.0
Alpine1 product
- ghostscript< 9.26-r0
Artifex1 product
- ghostscript< 9.26
Canonical1 product
- ubuntu_linuxEOL14.04 | 16.04 | 18.04 | 18.10
Ubuntu1 product
- ghostscript< 9.26~dfsg+0-0ubuntu0.14.04.1 | < 9.26~dfsg+0-0ubuntu0.16.04.1 | < 9.26~dfsg+0-0ubuntu0.18.04.1
6 vendors · 13 products
References
16 links
- semmle.com/news/semmle-discovers-severe-vulnerability-ghostscript-postscript-pdfX Refsource MISCExploitMitigationThird Party Advisory
- lists.debian.org/debian-lts-announce/2018/11/msg00036.htmlMailing ListX Refsource MLISTThird Party Advisory