CVE-2018-15911

HIGHNVD 7.87.8—

7.8

In Artifex Ghostscript 9.23 before 2018-08-24, attackers able to supply crafted PostScript could use uninitialized memory access in the aesdecode operator to crash the interpreter or potentially execute code.

CVSS v3: 7.8
EG Score: 7.8(medium)
EPSS: 84.9%
KEV: Not listed

Published

August 28, 2018

Last Modified

November 21, 2024

References (22)

cve@mitrehttp://git.ghostscript.com/?p=ghostpdl.git%3Ba=commit%3Bh=8e9ce5016db968b40e4ec255a3005f2786cce45f
cve@mitrehttp://www.securityfocus.com/bid/105122
cve@mitrehttps://access.redhat.com/errata/RHSA-2018:3834
cve@mitrehttps://bugs.ghostscript.com/show_bug.cgi?id=699665
cve@mitrehttps://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44101
cve@mitrehttps://lists.debian.org/debian-lts-announce/2018/09/msg00015.html
cve@mitrehttps://security.gentoo.org/glsa/201811-12
cve@mitrehttps://support.f5.com/csp/article/K22141757?utm_source=f5support&amp%3Butm_medium=RSS
cve@mitrehttps://usn.ubuntu.com/3768-1/
cve@mitrehttps://www.debian.org/security/2018/dsa-4288
cve@mitrehttps://www.kb.cert.org/vuls/id/332928
af854a3a-2127-422b-91ae-364da2661108http://git.ghostscript.com/?p=ghostpdl.git%3Ba=commit%3Bh=8e9ce5016db968b40e4ec255a3005f2786cce45f
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/105122
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2018:3834
af854a3a-2127-422b-91ae-364da2661108https://bugs.ghostscript.com/show_bug.cgi?id=699665

Patch Availability(2)

Vendor / Ecosystem	Fixed in / Patch	Released	Source
ubuntu	libgs9-common (9.22~dfsg+1-0ubuntu1.2) @ bionic	2026-05-23	ubuntu
redhat	ghostscript-0:9.07-31.el7_6.6	2018-12-17	redhat

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-908Use of Uninitialized Resource

All Vendor Advisories

(2)

Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.

Data Freshness Timeline

(refreshed 10× in last 7d / 19× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-02 20:11 UTCepss_batch
2026-06-02 20:11 UTCepss_batch
2026-06-01 13:49 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 22:28 UTCepss_batch
2026-05-31 00:14 UTCepss_batch
2026-05-31 00:14 UTCepss_batch
2026-05-29 13:41 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-27 13:38 UTCepss_batch
2026-05-27 13:38 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-23 02:35 UTCEG score recompute
2026-05-23 02:35 UTCVendor advisory
2026-05-23 02:35 UTCGHSA enrichment

Frequently asked(5)

What is CVE-2018-15911?

CVE-2018-15911 is a high vulnerability published on August 28, 2018. In Artifex Ghostscript 9.23 before 2018-08-24, attackers able to supply crafted PostScript could use uninitialized memory access in the aesdecode operator to crash the interpreter or potentially execute code.

When was CVE-2018-15911 disclosed?

CVE-2018-15911 was first published in the National Vulnerability Database on August 28, 2018, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2018-15911 actively exploited?

CVE-2018-15911 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 84.9% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2018-15911?

CVE-2018-15911 has a CVSS v3 base score of 7.8 (NVD).

How do I remediate CVE-2018-15911?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2018-15911, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2018-15911

Published

Last Modified

References (22)

Patch Availability(2)

Weakness Classification(1)

All Vendor Advisories

Data Freshness Timeline

Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2018-15911?

Same vendor

Same CWE

CVE-2018-15911

📅 Published

🔄 Last Modified

🔗 References (22)

Patch Availability(2)

Weakness Classification(1)

All Vendor Advisories

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2018-15911?

🔗 Related CVEs(same vendor + same CWE)

Same vendor

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Published

Last Modified

References (22)

Frequently asked(5)

Related CVEs(same vendor + same CWE)