{"schema":"threatline.record/2","record":{"id":"CVE-2018-4878","aliases":[],"summary":"Adobe Flash Player Use-After-Free Vulnerability","details":"Adobe Flash Player contains a use-after-free vulnerability that could allow for code execution.","categories":["Applications & CMS"],"product":"Flash Player","vendor":"Adobe","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2018-4878","source_modified_at":"2025-11-17T19:33:19.689Z","fetched_at":"2026-10-23T18:42:43.628194Z","product":"Adobe Flash Player before 28.0.0.161","vendor":"n/a","versions":[{"status":"affected","version":"Adobe Flash Player before 28.0.0.161"}],"defaultStatus":null}],"fixed_versions":[],"cvss":7.8,"severity":"High","kev":{"listed":true,"date_added":"2021-11-03","due_date":"2022-05-03","required_action":"The impacted product is end-of-life and should be disconnected if still in use.","ransomware_campaign_use":"Known"},"epss":{"probability":0.89532,"percentile":0.99789,"score_date":"2026-10-23"},"published_at":"2018-02-06T20:00:00.000Z","modified_at":"2025-11-17T19:33:19.689Z","provenance":[{"source":"CISA KEV","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23T17:00:09.9001Z"},{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2018-4878","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2025-11-17T19:33:19.689Z"},{"source":"Exploit-DB","url":"https://www.exploit-db.com/exploits/44412","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2018-04-06"},{"source":"Exploit-DB","url":"https://www.exploit-db.com/exploits/44744","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2016-02-16"},{"source":"Exploit-DB","url":"https://www.exploit-db.com/exploits/44745","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2016-02-13"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2018-4878","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CISA KEV","CVE List","Exploit-DB","EPSS"],"references":[{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-4878","source":"CISA KEV"},{"source":"CVE List","url":"https://threatpost.com/adobe-flash-player-zero-day-spotted-in-the-wild/129742/","tags":["x_refsource_MISC","x_transferred"]},{"source":"CVE List","url":"https://helpx.adobe.com/security/products/flash-player/apsb18-03.html","tags":["x_refsource_MISC","x_transferred"]},{"source":"CVE List","url":"https://access.redhat.com/errata/RHSA-2018:0285","tags":["vendor-advisory","x_refsource_REDHAT","x_transferred"]},{"source":"CVE List","url":"https://www.fireeye.com/blog/threat-research/2018/02/attacks-leveraging-adobe-zero-day.html","tags":["x_refsource_MISC","x_transferred"]},{"source":"CVE List","url":"https://blog.morphisec.com/flash-exploit-cve-2018-4878-spotted-in-the-wild-massive-malspam-campaign","tags":["x_refsource_MISC","x_transferred"]},{"source":"CVE List","url":"https://www.darkreading.com/threat-intelligence/adobe-flash-vulnerability-reappears-in-malicious-word-files/d/d-id/1331139","tags":["x_refsource_MISC","x_transferred"]},{"source":"CVE List","url":"https://github.com/InQuest/malware-samples/tree/master/CVE-2018-4878-Adobe-Flash-DRM-UAF-0day","tags":["x_refsource_MISC","x_transferred"]},{"source":"CVE List","url":"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","tags":["x_refsource_MISC","x_transferred"]},{"source":"CVE List","url":"https://github.com/vysec/CVE-2018-4878","tags":["x_refsource_MISC","x_transferred"]},{"source":"CVE List","url":"https://securingtomorrow.mcafee.com/mcafee-labs/hackers-bypassed-adobe-flash-protection-mechanism/","tags":["x_refsource_MISC","x_transferred"]},{"source":"CVE List","url":"https://www.exploit-db.com/exploits/44412/","tags":["exploit","x_refsource_EXPLOIT-DB","x_transferred"]},{"source":"CVE List","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-4878","tags":["government-resource"]},{"source":"CVE List","url":"https://github.com/cisagov/vulnrichment/issues/196","tags":["issue-tracking"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CISA ADP","ssvc":{"exploitation":"active","automatable":"no","technical_impact":"total","assessed_at":"2025-11-17T19:26:05.552854Z"},"exploits":[{"source":"Exploit-DB","kind":"Remote exploit","name":"Adobe Flash < 28.0.0.161 - Use-After-Free","url":"https://www.exploit-db.com/exploits/44412","date":"2018-04-06","added":"2018-04-06","verified":false},{"source":"Exploit-DB","kind":"Local exploit","name":"Flash ActiveX 28.0.0.137 - Code Execution (1)","url":"https://www.exploit-db.com/exploits/44744","date":"2016-02-16","added":"2018-05-24","verified":false},{"source":"Exploit-DB","kind":"Local exploit","name":"Flash ActiveX 28.0.0.137 - Code Execution (2)","url":"https://www.exploit-db.com/exploits/44745","date":"2016-02-13","added":"2018-05-24","verified":false}],"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":"product","confidence":"heuristic","reviewed":false},"change_timestamp":"2025-11-17T19:33:19.689Z","content_hash":"eefd36f75bc64c23554e860b851aa32c3116886bfc8ef2c2b0bbff2a0729e2e8"}}