Is CVE-2016-8602 in the CISA KEV catalog?

No. CVE-2016-8602 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2016-8602?

CVE-2016-8602 has a CVSS v3 base score of 7.8 (HIGH).

What is the EPSS score for CVE-2016-8602?

CVE-2016-8602 has an EPSS score of 3.21% (87th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2016-8602?

Upgrade ghostscript on debian 11 to 9.19~dfsg-3.1 or later. Fixes are available for 5 affected products.

CVE & CISA-KEV Catalog

CVE-2016-8602

HIGHEPSS 87th pctl

7.8

CVSS v3

NVD

Description

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.

CWE-704

How to fix

Remediation Available

ghostscriptDebian

Fixed in:9.19~dfsg-3.1CVE-2016-8602

ghostscriptUbuntu

Fixed in:9.10~dfsg-0ubuntu10.5USN-3148-1

Fixed in:9.18~dfsg~0-0ubuntu2.2USN-3148-1

ghostscript-xUbuntu

Fixed in:9.10~dfsg-0ubuntu10.5USN-3148-1

Fixed in:9.18~dfsg~0-0ubuntu2.2USN-3148-1

libgs9Ubuntu

Fixed in:9.10~dfsg-0ubuntu10.5USN-3148-1

Fixed in:9.18~dfsg~0-0ubuntu2.2USN-3148-1

libgs9-commonUbuntu

Fixed in:9.10~dfsg-0ubuntu10.5USN-3148-1

Fixed in:9.18~dfsg~0-0ubuntu2.2USN-3148-1

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorLocal

Attack ComplexityLow

Privileges RequiredNone

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Exploit Intelligence

3.21%probability of exploitation in 30 days

87thpercentile

Elevated risk: more likely to be exploited than 87% of all known CVEs.

References

Patch5

Third-Party Advisory1

securityfocus.com

Other references5

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-05-13.