CVE-2018-4878

A use-after-free vulnerability was discovered in Adobe Flash Player before 28.0.0.161. 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.

• CWE-416
• CWE-416

• https://blog.talosintelligence.com/2018/02/group-123-goes-wild.htmlTechnical Description, Third Party Advisory
• https://www.securityfocus.com/bid/102893Broken Link
• https://www.securitytracker.com/id/1040318Broken Link
• https://access.redhat.com/errata/RHSA-2018:0285Third Party Advisory
• https://blog.morphisec.com/flash-exploit-cve-2018-4878-spotted-in-the-wild-massive-malspam-campaignThird Party Advisory
• https://github.com/InQuest/malware-samples/tree/master/CVE-2018-4878-Adobe-Flash-DRM-UAF-0dayThird Party Advisory
• https://github.com/vysec/CVE-2018-4878Third Party Advisory
• https://helpx.adobe.com/security/products/flash-player/apsb18-03.htmlVendor 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/1331139Press/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.htmlThird 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-targetsTechnical Description, Third Party Advisory
• https://blog.talosintelligence.com/2018/02/group-123-goes-wild.htmlTechnical Description, Third Party Advisory
• https://www.securityfocus.com/bid/102893Broken Link
• https://www.securitytracker.com/id/1040318Broken Link
• https://access.redhat.com/errata/RHSA-2018:0285Third Party Advisory
• https://blog.morphisec.com/flash-exploit-cve-2018-4878-spotted-in-the-wild-massive-malspam-campaignThird Party Advisory
• https://github.com/InQuest/malware-samples/tree/master/CVE-2018-4878-Adobe-Flash-DRM-UAF-0dayThird Party Advisory
• https://github.com/vysec/CVE-2018-4878Third Party Advisory
• https://helpx.adobe.com/security/products/flash-player/apsb18-03.htmlVendor 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/1331139Press/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.htmlThird 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-targetsTechnical Description, Third Party Advisory
• https://github.com/cisagov/vulnrichment/issues/196Issue Tracking
• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-4878Third Party Advisory, US Government Resource

Published

Feb 6, 2018

Last Modified

Jun 17, 2026

Status

Analyzed

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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