CVE-2018-15981

CRITICALNVD 9.89.8—Elevated

9.8

Flash Player versions 31.0.0.148 and earlier have a type confusion vulnerability. Successful exploitation could lead to arbitrary code execution.

CVSS v3: 9.8
EG Score: 9.8(medium)
EPSS: 96.1%
KEV: Not listed

Published

November 29, 2018

Last Modified

November 21, 2024

References (8)

psirt@adobehttp://www.securityfocus.com/bid/105964
psirt@adobehttp://www.securitytracker.com/id/1042151
psirt@adobehttps://access.redhat.com/errata/RHSA-2018:3644
psirt@adobehttps://helpx.adobe.com/security/products/flash-player/apsb18-44.html
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/105964
af854a3a-2127-422b-91ae-364da2661108http://www.securitytracker.com/id/1042151
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2018:3644
af854a3a-2127-422b-91ae-364da2661108https://helpx.adobe.com/security/products/flash-player/apsb18-44.html

Patch Availability(1)

Vendor / Ecosystem	Fixed in / Patch	Released	Source
redhat	flash-plugin-0:31.0.0.153-1.el6_10	2018-11-20	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-704Incorrect Type Conversion or Cast

All Vendor Advisories

(1)

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.

Red HatRHSA-2018:3644CRITICAL2018-11-20
RHSA-2018:3644 — Critical

Data Freshness Timeline

(refreshed 9× in last 7d / 12× 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.

2026-05-31 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
2026-05-23 02:41 UTCEG score recompute
2026-05-23 02:41 UTCVendor advisory
2026-05-23 02:41 UTCGHSA enrichment

Frequently asked(5)

What is CVE-2018-15981?

CVE-2018-15981 is a critical vulnerability published on November 29, 2018. Flash Player versions 31.0.0.148 and earlier have a type confusion vulnerability. Successful exploitation could lead to arbitrary code execution.

When was CVE-2018-15981 disclosed?

CVE-2018-15981 was first published in the National Vulnerability Database on November 29, 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-2018-15981 actively exploited?

CVE-2018-15981 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 96.1% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2018-15981?

CVE-2018-15981 has a CVSS v3 base score of 9.8 (NVD).

How do I remediate CVE-2018-15981?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2018-15981, 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-2018-15981

Published

Last Modified

References (8)

Patch Availability(1)

Weakness Classification(1)

All Vendor Advisories

Data Freshness Timeline

Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2018-15981?

Same vendor

Same CWE

CVE-2018-15981

📅 Published

🔄 Last Modified

🔗 References (8)

Patch Availability(1)

Weakness Classification(1)

All Vendor Advisories

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2018-15981?

🔗 Related CVEs(same vendor + same CWE)

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Published

Last Modified

References (8)

Frequently asked(5)

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