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Servers and applications

CVE-2016-8602

The .sethalftone5 function in psi/zht2.c in Ghostscript before 9.21 allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a crafted Postscript document that calls .sethalftone5 with an empty operand stack.

Severity
High 7.8
Published
14 Apr 2017
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Exploit chance
3.2% in the next 30 daysHigher than 88% of CVEs. EPSS by FIRST, 11 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 9.20

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2016-8602
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2016-8602