ExploitedIn CISA KEVFix available

CVE-2017-8291

Exploitation confirmed. First attested on 2022-05-24 by CISA-ADP, CISA KEV, GCVE · kevintel.

Published2017-04-27
WeaknessCWE-843

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

Artifex Ghostscript through 2017-04-26 allows -dSAFER bypass and remote command execution via .rsdparams type confusion with a "/OutputFile (%pipe%" substring in a crafted .eps document that is an input to the gs program, as exploited in the wild in April 2017.

Timeline

dates in UTC

2017-04-2701:59CVE publishedNVD
2022-05-24Listed as exploited by GCVEGCVE
2022-05-24Exploitation first reportedCISA KEV
2022-05-24Added to the CISA KEV catalogCISA KEV
2025-02-0420:44SSVC exploitation set to activeCISA-ADP
2026-10-2319:23First public proof of conceptPoC-in-GitHub
2026-10-2319:23EPSS crossed 10 %FIRST EPSS

Observed activity

isMalicious corpus · updated 2026-10-23 18:48 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2017-8291?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2017-8291?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD

Redhat enterprise linux eus

Branch	Affected	Fixed in	Source
7.3	= 7.3	no fix published	NVD
7.4	= 7.4	no fix published	NVD
7.5	= 7.5	no fix published	NVD
7.6	= 7.6	no fix published	NVD
7.7	= 7.7	no fix published	NVD

Redhat enterprise linux server aus

Branch	Affected	Fixed in	Source
7.3	= 7.3	no fix published	NVD
7.4	= 7.4	no fix published	NVD
7.6	= 7.6	no fix published	NVD
7.7	= 7.7	no fix published	NVD

Redhat enterprise linux server tus

Branch	Affected	Fixed in	Source
7.3	= 7.3	no fix published	NVD
7.6	= 7.6	no fix published	NVD
7.7	= 7.7	no fix published	NVD

5 more products in the sources.

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

CISA’s required action: Apply updates per vendor instructions.due 2022-06-14

Advisories and patches

openwall.comPatch
bugzilla.redhat.comPatch

Detection

read 2026-10-23 19:23 UTC

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: 4 repositories, unverifiedshun1403/CVE-2017-8291shun1403/PIL-CVE-2017-8291-studyhkcfs/PIL-CVE-2017-8291DaniilOrchikov/PIL-CVE-2017-8291

CISA Known Exploited Vulnerability

Date Added: 2022-05-24
Patch Due Date: 2022-06-14
Ransomware Use: Unknown
Required Action: Apply updates per vendor instructions.

Sources

CISA KEVKEV entry2022-05-24
GCVEexploitation2022-05-24
CISA-ADPSSVC decisionactive2025-02-04
OpenCVESSVC decisionactive—
CISA-ADPCVSS 3.17.82025-02-04
NVDCVSS 3.17.8read 2026-10-23
NVDCVSS 2.06.8read 2026-10-23
CISA-ADPweakness (CWE)CWE-8432025-02-04
NVDweakness (CWE)CWE-843read 2026-10-23
FIRST EPSSEPSS score97.0 %read 2026-10-23
PoC-in-GitHubproof of concept4read 2026-10-23

Technical details

CVSS v3 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Published: 2017-04-27
Last Modified: 2026-06-17
NVD status: Analyzed

Frequently asked questions

What is CVE-2017-8291?

Is CVE-2017-8291 actively exploited?

Yes. CVE-2017-8291 is on the CISA Known Exploited Vulnerabilities (KEV) catalog, meaning it has been confirmed as actively exploited in the wild. CISA requires federal agencies to patch by 2022-06-14.

What is the CVSS score for CVE-2017-8291?

CVE-2017-8291 has a CVSS v3 base score of 7.8 (HIGH severity), with vector string CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

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