CVE-2018-15909: artifex ghostscript Incorrect Type Conversion or Cast
Vulnerability summary
CVE-2018-15909 is a high (CVSS 7.8) Incorrect Type Conversion or Cast vulnerability in artifex ghostscript. EPSS estimates a 2.98% chance of exploitation in the next 30 days, higher than 87.3% 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 10 · Related 6Timeline
- 27-08-2018PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
In Artifex Ghostscript 9.23 before 2018-08-24, a type confusion using the .shfill operator could be used by attackers able to supply crafted PostScript files to crash the interpreter or potentially execute code.
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
2.98%
Chance of exploitation in the next 30 days
Percentile
87%
Versus all other CVEs
30-day change
Decrease -0.04 pp
From 3.02% 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
Artifex2 products
- ghostscript≤ 9.23
- gpl_ghostscript< 9.26
Debian2 products
- ghostscript< 9.22~dfsg-3
- debian_linuxEOL8.0
Alpine1 product
- ghostscript< 9.24-r0
Canonical1 product
- ubuntu_linuxEOL14.04 | 16.04 | 18.04
Pulsesecure1 product
- pulse_connect_secure≥ 8.2r1.0, < 8.2r12.1 | ≥ 8.3r1, < 8.3r7.1 | ≥ 9.0r1, < 9.0r3.4
Ubuntu1 product
- ghostscript< 9.10~dfsg-0ubuntu10.13 | < 9.18~dfsg~0-0ubuntu2.9 | < 9.22~dfsg+1-0ubuntu1.2
7 vendors · 14 products
References
15 links
lists.debian.org/debian-lts-announce/2018/09/msg00015.htmlMailing ListX Refsource MLISTThird Party Advisory- kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44101X Refsource CONFIRMPatchThird Party Advisory