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Servers and applications

CVE-2018-15909

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.

Severity
High 7.8
Published
27 Aug 2018
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Exploit chance
3% in the next 30 daysHigher than 87% of CVEs. EPSS by FIRST, 10 Nov 2026
Weakness
Incorrect type conversion (CWE-704)
Attack
Needs local access · No login needed · Needs someone to click or open something
Attacker can
Read data · Change data · Take it down
CVSS vector
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Sources
NVD

Affected software

SoftwareAffected versions
GhostscriptServers and applications · cpe:a:artifex:ghostscript
  • Every version up to 9.23

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2018-15909
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2018-15909