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Palo Alto Networks Researcher Discovers Eight Critical Vulnerabilities in Adobe Flash Player ![Clock Icon](https://unit42.paloaltonetworks.com/wp-content/themes/unit42-v6/dist/images/icons/icon-clock.svg) \< 1 min read * ![Profile Icon](https://unit42.paloaltonetworks.com/wp-content/themes/unit42-v6/dist/images/icons/icon-profile-grey.svg) By: * [Ryan Olson](https://unit42.paloaltonetworks.com/author/ryan-olson/) * ![Published Icon](https://unit42.paloaltonetworks.com/wp-content/themes/unit42-v6/dist/images/icons/icon-calendar-grey.svg) Published:September 19, 2016 * ![Tags Icon](https://unit42.paloaltonetworks.com/wp-content/themes/unit42-v6/dist/images/icons/icon-category.svg) Categories: * [Threat Research](https://unit42.paloaltonetworks.com/category/threat-research/) * [Vulnerabilities](https://unit42.paloaltonetworks.com/category/vulnerabilities/) * ![Tags Icon](https://unit42.paloaltonetworks.com/wp-content/themes/unit42-v6/dist/images/icons/icon-tags-grey.svg) Tags: * [Adobe](https://unit42.paloaltonetworks.com/tag/adobe/) * [Adobe Flash](https://unit42.paloaltonetworks.com/tag/adobe-flash/) * [![Download Icon](https://unit42.paloaltonetworks.com/wp-content/themes/unit42-v6/dist/images/icons/icon-download.svg)](https://unit42.paloaltonetworks.com/unit42-palo-alto-networks-researcher-discovers-eight-critical-vulnerabilities-in-adobe-flash-player/?pdf=download&lg=en&_wpnonce=e29f8d26fe "Click here to download") * [![Print Icon](https://unit42.paloaltonetworks.com/wp-content/themes/unit42-v6/dist/images/icons/icon-print.svg)](https://unit42.paloaltonetworks.com/unit42-palo-alto-networks-researcher-discovers-eight-critical-vulnerabilities-in-adobe-flash-player/?pdf=print&lg=en&_wpnonce=e29f8d26fe "Click here to print") Share![Down arrow](https://unit42.paloaltonetworks.com/wp-content/themes/unit42-v6/dist/images/icons/down-arrow.svg) * ![Link Icon](https://unit42.paloaltonetworks.com/wp-content/themes/unit42-v6/dist/images/icons/icon-share-link.svg) * [![Link Email](https://unit42.paloaltonetworks.com/wp-content/themes/unit42-v6/dist/images/icons/icon-sms.svg)](mailto:?subject=Palo%20Alto%20Networks%20Researcher%20Discovers%20Eight%20Critical%20Vulnerabilities%20in%20Adobe%20Flash%20Player&body=Check%20out%20this%20article%20https%3A%2F%2Funit42.paloaltonetworks.com%2Funit42-palo-alto-networks-researcher-discovers-eight-critical-vulnerabilities-in-adobe-flash-player%2F "Share in email") * [![Facebook Icon](https://unit42.paloaltonetworks.com/wp-content/themes/unit42-v6/dist/images/icons/icon-fb-share.svg)](https://www.facebook.com/sharer/sharer.php?u=https%3A%2F%2Funit42.paloaltonetworks.com%2Funit42-palo-alto-networks-researcher-discovers-eight-critical-vulnerabilities-in-adobe-flash-player%2F "Share in Facebook") * [![LinkedIn Icon](https://unit42.paloaltonetworks.com/wp-content/themes/unit42-v6/dist/images/icons/icon-linkedin-share.svg)](https://www.linkedin.com/sharing/share-offsite/?url=https%3A%2F%2Funit42.paloaltonetworks.com%2Funit42-palo-alto-networks-researcher-discovers-eight-critical-vulnerabilities-in-adobe-flash-player%2F&title=Palo%20Alto%20Networks%20Researcher%20Discovers%20Eight%20Critical%20Vulnerabilities%20in%20Adobe%20Flash%20Player "Share in LinkedIn") * [![Twitter Icon](https://unit42.paloaltonetworks.com/wp-content/themes/unit42-v6/dist/images/icons/icon-twitter-share.svg)](https://twitter.com/intent/tweet?url=https%3A%2F%2Funit42.paloaltonetworks.com%2Funit42-palo-alto-networks-researcher-discovers-eight-critical-vulnerabilities-in-adobe-flash-player%2F&text=Palo%20Alto%20Networks%20Researcher%20Discovers%20Eight%20Critical%20Vulnerabilities%20in%20Adobe%20Flash%20Player "Share in Twitter") * [![Reddit Icon](https://unit42.paloaltonetworks.com/wp-content/themes/unit42-v6/dist/images/icons/icon-reddit-share.svg)](https://www.paloaltonetworks.com//www.reddit.com/submit?url=https%3A%2F%2Funit42.paloaltonetworks.com%2Funit42-palo-alto-networks-researcher-discovers-eight-critical-vulnerabilities-in-adobe-flash-player%2F&ts=markdown "Share in Reddit") * [![Mastodon Icon](https://unit42.paloaltonetworks.com/wp-content/themes/unit42-v6/dist/images/icons/icon-mastodon-share.svg)](https://mastodon.social/share?text=Palo%20Alto%20Networks%20Researcher%20Discovers%20Eight%20Critical%20Vulnerabilities%20in%20Adobe%20Flash%20Player%20https%3A%2F%2Funit42.paloaltonetworks.com%2Funit42-palo-alto-networks-researcher-discovers-eight-critical-vulnerabilities-in-adobe-flash-player%2F "Share in Mastodon") Palo Alto Networks was recently credited with the discovery of eight new vulnerabilities affecting Adobe Flash Player. Researcher Tao Yan discovered critical vulnerabilities CVE-2016-4182, CVE-2016-4237, CVE-2016-4238, CVE-2016-4281, CVE-2016-4282, CVE-2016-4283, CVE-2016-4284, and CVE-2016-4285 affecting Adobe Flash Player. Descriptions of each, as well as details on affected versions and products, are included in the following Adobe Security Bulletins: * [Adobe Security Bulletin -- August 26, 2016](https://helpx.adobe.com/security/products/flash-player/apsb16-25.html) * [Adobe Security Bulletin -- September 13, 2016](https://helpx.adobe.com/security/products/flash-player/apsb16-29.html) Adobe has released security updates for Adobe Flash Player. For current customers with a Threat Prevention subscription, Palo Alto Networks has also released IPS signatures providing proactive protection from these vulnerabilities. Palo Alto Networks is a regular contributor to vulnerability research in Microsoft, Adobe, Apple, Android and other ecosystems. By proactively identifying these vulnerabilities, developing protections for our customers, and sharing the information with the security community, we are removing weapons used by attackers to threaten users, and compromise enterprise, government and service provider networks. Back to top ### Tags * [Adobe](https://unit42.paloaltonetworks.com/tag/adobe/ "Adobe") * [Adobe Flash](https://unit42.paloaltonetworks.com/tag/adobe-flash/ "Adobe Flash") [Threat Research Center](https://unit42.paloaltonetworks.com "Threat Research") [Next: MILE TEA: Cyber Espionage Campaign Targets Asia Pacific Businesses and Government Agencies](https://unit42.paloaltonetworks.com/mile-tea-cyber-espionage-campaign-targets-asia-pacific-businesses-and-government-agencies/ "MILE TEA: Cyber Espionage Campaign Targets Asia Pacific Businesses and Government Agencies") ### Related Articles * [Unit 42 Discovers 15 New Vulnerabilities Across Microsoft, Adobe and Apple Products](https://unit42.paloaltonetworks.com/15-new-vulnerabilities/ "article - table of contents") * [Unit 42 Discovers 13 New Vulnerabilities Across Microsoft and Adobe Products](https://unit42.paloaltonetworks.com/unit-42-discovers-13-new-vulnerabilities-across-microsoft-and-adobe-products/ "article - table of contents") * [Unit 42 Discovers Vulnerabilities in Adobe Acrobat and Reader and Foxit Reader, Shares Threat Research at Microsoft BlueHat Shanghai 2019](https://unit42.paloaltonetworks.com/unit-42-discovers-vulnerabilities-in-adobe-acrobat-and-reader-and-foxit-reader-shares-threat-research-at-microsoft-bluehat-shanghai-2019/ "article - table of contents") ## Related Vulnerabilities Resources ![Pictorial representation of a group of people interacting with a dynamic 3D holographic display of colorful, undulating data waves on a table.](https://unit42.paloaltonetworks.com/wp-content/uploads/2025/09/11_Myth-Busting_Overview_1920x900-786x368.jpg) [![category icon](https://unit42.paloaltonetworks.com/wp-content/uploads/2025/08/Insights-icon-white.svg)Insights](https://unit42.paloaltonetworks.com/category/insights/) August 4, 2026 [#### The Frontier AI Vulnerability Burst: Industrializing Autonomous Zero-Day Discovery in Open-Source Software](https://unit42.paloaltonetworks.com/frontier-ai-vulnerability-burst/) * [AI](https://unit42.paloaltonetworks.com/tag/ai/ "AI") * [Frontier AI](https://unit42.paloaltonetworks.com/tag/frontier-ai/ "Frontier AI") * [Vulnerability Exploitation](https://unit42.paloaltonetworks.com/tag/vulnerability-exploitation/ "Vulnerability Exploitation") [Read now ![Right arrow](https://unit42.paloaltonetworks.com/wp-content/themes/unit42-v6/dist/images/icons/icon-right-arrow-withtail.svg)](https://unit42.paloaltonetworks.com/frontier-ai-vulnerability-burst/ "The Frontier AI Vulnerability Burst: Industrializing Autonomous Zero-Day Discovery in Open-Source Software") ![Pictorial representation of AI-enabled autonomous cyberattacks. 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