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Vulnerability record · CVE-2020-9633 · published 12 June 2020

CVE-2020-9633: Adobe flash player desktop runtime use after free vulnerability

Adobe · Flash Player Desktop Runtime

Adobe Flash Player Desktop Runtime 32.0.0.371 and earlier, Adobe Flash Player for Google Chrome 32.0.0.371 and earlier, and Adobe Flash Player for Microsoft Edge and Internet Explorer 32.0.0.330 and earlier have an use after free vulnerability. Successful exploitation could lead to arbitrary code execution.

9.8 CVSS 3.1 Critical EPSS 7.6% · top 5.7% CWE-416 · Use after free
9.8CVSS 3.1 base score, v2 10.0
7.6%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
4References
17 Jun 2026Last modified by NVD

Description

Adobe Flash Player Desktop Runtime 32.0.0.371 and earlier, Adobe Flash Player for Google Chrome 32.0.0.371 and earlier, and Adobe Flash Player for Microsoft Edge and Internet Explorer 32.0.0.330 and earlier have an use after free vulnerability. Successful exploitation could lead to arbitrary code execution.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://helpx.adobe.com/security/products/flash-player/apsb20-30.html Vendor Advisory
https://security.gentoo.org/glsa/202006-09 Third Party Advisory
https://helpx.adobe.com/security/products/flash-player/apsb20-30.html Vendor Advisory
https://security.gentoo.org/glsa/202006-09 Third Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2016-4171Adobe Flash Player unspecified remote code execution flawCVE-2016-4171 is an unspecified vulnerability in Adobe Flash Player 21.0.0.242 and earlier that allows remote attackers to execute arbitrary code thr…KEVEPSS 20%analysed9.8CVE-2016-4117Adobe Flash Player unspecified vectors allow arbitrary code executionAdobe Flash Player 21.0.0.226 and earlier contains a critical flaw that lets remote attackers execute arbitrary code through unspecified vectors. Ado…KEVEPSS 94%analysed9.8CVE-2016-1019Adobe Flash Player memory corruption allows code executionAdobe Flash Player 21.0.0.197 and earlier contains an unspecified memory corruption flaw that can crash the application or allow arbitrary code execu…KEVEPSS 22%analysed9.8CVE-2015-5123Adobe Flash Player ActionScript 3 BitmapData use-after-freeAdobe Flash Player contains a use-after-free in the ActionScript 3 BitmapData class, triggered by crafted Flash content that overrides a valueOf func…KEVEPSS 19%analysed9.8CVE-2015-5122Adobe Flash Player ActionScript 3 Use-After-Free in DisplayObjectA use-after-free flaw in the DisplayObject class of Adobe Flash Player's ActionScript 3 implementation is triggered by crafted Flash content that mis…KEVEPSS 94%analysed9.8CVE-2015-5119Adobe Flash Player ActionScript 3 ByteArray use-after-freeA use-after-free flaw exists in the ByteArray class of the ActionScript 3 implementation in Adobe Flash Player. Crafted Flash content that overrides …KEVEPSS 99%analysed9.8CVE-2015-3113Adobe Flash Player heap buffer overflow allows remote code executionAdobe Flash Player contains a heap-based buffer overflow (CWE-122/CWE-787) reachable through unspecified vectors. It affects Flash Player before 13.0…KEVEPSS 100%analysed9.8CVE-2015-3043Adobe Flash Player memory corruption allows arbitrary code executionAdobe Flash Player contains an out-of-bounds write (CWE-787) that corrupts memory and can lead to arbitrary code execution or a denial of service. Th…KEVEPSS 74%analysed

Source: NIST National Vulnerability Database (record CVE-2020-9633), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.