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CVE-2018-4878 Detail


A use-after-free vulnerability was discovered in Adobe Flash Player before This vulnerability occurs due to a dangling pointer in the Primetime SDK related to media player handling of listener objects. A successful attack can lead to arbitrary code execution. This was exploited in the wild in January and February 2018.


CVSS 3.x Severity and Metrics:

Base Score:  9.8 CRITICAL
Vector:  CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

NVD Analysts use publicly available information to associate vector strings and CVSS scores. We also display any CVSS information provided within the CVE List from the CNA.

Note: NVD Analysts have published a CVSS score for this CVE based on publicly available information at the time of analysis. The CNA has not provided a score within the CVE List.

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://blog.talosintelligence.com/2018/02/group-123-goes-wild.html Technical Description  Third Party Advisory 
http://www.securityfocus.com/bid/102893 Broken Link 
http://www.securitytracker.com/id/1040318 Broken Link 
https://access.redhat.com/errata/RHSA-2018:0285 Third Party Advisory 
https://blog.morphisec.com/flash-exploit-cve-2018-4878-spotted-in-the-wild-massive-malspam-campaign Third Party Advisory 
https://github.com/InQuest/malware-samples/tree/master/CVE-2018-4878-Adobe-Flash-DRM-UAF-0day Third Party Advisory 
https://github.com/vysec/CVE-2018-4878 Third Party Advisory 
https://helpx.adobe.com/security/products/flash-player/apsb18-03.html Vendor Advisory 
https://securingtomorrow.mcafee.com/mcafee-labs/hackers-bypassed-adobe-flash-protection-mechanism/ Exploit  Third Party Advisory 
https://threatpost.com/adobe-flash-player-zero-day-spotted-in-the-wild/129742/ Third Party Advisory 
https://www.darkreading.com/threat-intelligence/adobe-flash-vulnerability-reappears-in-malicious-word-files/d/d-id/1331139 Press/Media Coverage  Third Party Advisory 
https://www.exploit-db.com/exploits/44412/ Exploit  Third Party Advisory  VDB Entry 
https://www.fireeye.com/blog/threat-research/2018/02/attacks-leveraging-adobe-zero-day.html Third Party Advisory 
https://www.trendmicro.com/vinfo/us/security/news/vulnerabilities-and-exploits/north-korean-hackers-allegedly-exploit-adobe-flash-player-vulnerability-cve-2018-4878-against-south-korean-targets Technical Description  Third Party Advisory 

This CVE is in CISA's Known Exploited Vulnerabilities Catalog

Reference CISA's BOD 22-01 and Known Exploited Vulnerabilities Catalog for further guidance and requirements.

Vulnerability Name Date Added Due Date Required Action
Adobe Flash Player Use-After-Free Vulnerability 11/03/2021 05/03/2022 The impacted product is end-of-life and should be disconnected if still in use.

Weakness Enumeration

CWE-ID CWE Name Source
CWE-416 Use After Free cwe source acceptance level NIST  

Known Affected Software Configurations Switch to CPE 2.2

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Change History

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Quick Info

CVE Dictionary Entry:
NVD Published Date:
NVD Last Modified:
Adobe Systems Incorporated