[![Logo](https://www.paloaltonetworks.com/wp-content/uploads/2021/07/PANW_Parent.png)](https://www.paloaltonetworks.com/) [![Unit42 Logo](https://unit42.paloaltonetworks.com/wp-content/themes/unit42-v6/dist/images/unit42-logo-white.svg)](https://unit42.paloaltonetworks.com/) Menu * [Tools](https://unit42.paloaltonetworks.com/tools/) * [ATOMs](https://unit42.paloaltonetworks.com/atoms/) * [Security Consulting](https://www.paloaltonetworks.com/unit42) * [About Us](https://unit42.paloaltonetworks.com/about-unit-42/) * [**Under Attack?**](https://start.paloaltonetworks.com/contact-unit42.html) English * [English](https://unit42.paloaltonetworks.com/unit-42-discovers-vulnerabilities-in-adobe-acrobat-and-reader-and-foxit-reader-shares-threat-research-at-microsoft-bluehat-shanghai-2019/) * [Japanese](https://unit42.paloaltonetworks.com/ja/unit-42-discovers-vulnerabilities-in-adobe-acrobat-and-reader-and-foxit-reader-shares-threat-research-at-microsoft-bluehat-shanghai-2019/) * [Threat Research Center](https://unit42.paloaltonetworks.com "Threat Research") * [Threat Research](https://unit42.paloaltonetworks.com/category/threat-research/ "Threat Research") * [Learning Hub](https://unit42.paloaltonetworks.com/category/learning-hub/ "Learning Hub") [Learning Hub](https://unit42.paloaltonetworks.com/category/learning-hub/) # Unit 42 Discovers Vulnerabilities in Adobe Acrobat and Reader and Foxit Reader, Shares Threat Research at Microsoft BlueHat Shanghai 2019 ![Clock Icon](https://unit42.paloaltonetworks.com/wp-content/themes/unit42-v6/dist/images/icons/icon-clock.svg) 3 min read * ![Profile Icon](https://unit42.paloaltonetworks.com/wp-content/themes/unit42-v6/dist/images/icons/icon-profile-grey.svg) By: * [John Harrison](https://unit42.paloaltonetworks.com/author/john-harrison/) * ![Published Icon](https://unit42.paloaltonetworks.com/wp-content/themes/unit42-v6/dist/images/icons/icon-calendar-grey.svg) Published:May 31, 2019 * ![Tags 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recent security update releases. The Adobe vulnerabilities discovered included 19 Critical and 9 Important rated vulnerabilities. Palo Alto Networks customers with a Threat Prevention subscription who deploy our Security Operating Platform are protected from zero-day vulnerabilities such as these. Weaponized exploits for these vulnerabilities are prevented by Traps multi-layered exploit prevention and response capabilities. Threat Prevention capabilities, such as vulnerability protection with IPS and WildFire, provide our customers with comprehensive protection and automatic updates against previously unknown threats. Palo Alto Networks appreciates both the recognition and credit Adobe and Foxit Software have given our Unit 42 threat researchers. Palo Alto Networks is a regular contributor to vulnerability research in Microsoft, Adobe, Apple, Google Android, and other ecosystems with more than 200 critical vulnerabilities discovered. 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. Palo Alto Networks will also present security research findings at the upcoming, prestigious [Microsoft BlueHat Shanghai 2019](https://www.microsoft.com/en-us/msrc/bluehat-conference/). Two papers were accepted titled, "Is my Container Secure? Large-Scale Empirical Study on Container Vulnerabilities" by Authors Zhaoyan Xu, Yue Guan, Cecilia Hu, Bo Qu, and Xin Ouyang. The other paper is "Advanced Lateral Movement on Container-based K8s Cluster" by Authors Tongbo Luo and Zhaoyan Xu. Additionally, Hui Gao, from Palo Alto Networks, was added to the content advisory board for BlueHat Shanghai 2019. **Adobe Vulnerabilities Credited:** |---------------|----------------------------|--------------------------|-----------------------------|-------------------| | **CVE** | **Vulnerability Category** | **Impact** | **Maximum Severity Rating** | **Researcher(s)** | | CVE-2019-7762 | Use After Free | Arbitrary Code Execution | Critical | Gal De Leon | | CVE-2019-7841 | Out-of-Bounds Read | Information Disclosure | Important | Zhibin Zhang | | CVE-2019-7836 | Out-of-Bounds Read | Information Disclosure | Important | Zhibin Zhang | | CVE-2019-7835 | Use After Free | Arbitrary Code Execution | Critical | Zhibin Zhang | | CVE-2019-7774 | Out-of-Bounds Read | Information Disclosure | Important | Zhibin Zhang | | CVE-2019-7767 | Use After Free | Arbitrary Code Execution | Critical | Zhibin Zhang | | CVE-2019-7773 | Out-of-Bounds Read | Information Disclosure | Important | Bo Qu | | CVE-2019-7766 | Use After Free | Arbitrary Code Execution | Critical | Bo Qu | | CVE-2019-7764 | Use After Free | Arbitrary Code Execution | Critical | Bo Qu | | CVE-2019-7834 | Use After Free | Arbitrary Code Execution | Critical | Qi Deng | | CVE-2019-7833 | Use After Free | Arbitrary Code Execution | Critical | Qi Deng | | CVE-2019-7832 | Use After Free | Arbitrary Code Execution | Critical | Qi Deng | | CVE-2019-7772 | Use After Free | Arbitrary Code Execution | Critical | Qi Deng | | CVE-2019-7768 | Use After Free | Arbitrary Code Execution | Critical | Qi Deng | | CVE-2019-7808 | Use After Free | Arbitrary Code Execution | Critical | Hui Gao | | CVE-2019-7807 | Use After Free | Arbitrary Code Execution | Critical | Hui Gao | | CVE-2019-7806 | Use After Free | Arbitrary Code Execution | Critical | Hui Gao | | CVE-2019-7793 | Out-of-Bounds Read | Information Disclosure | Important | Zhaoyan Xu | | CVE-2019-7792 | Use After Free | Arbitrary Code Execution | Critical | Zhaoyan Xu | | CVE-2019-7783 | Use After Free | Arbitrary Code Execution | Critical | Zhaoyan Xu | | CVE-2019-7782 | Use After Free | Arbitrary Code Execution | Critical | Zhanglin He | | CVE-2019-7781 | Use After Free | Arbitrary Code Execution | Critical | Zhanglin He | | CVE-2019-7778 | Out-of-Bounds Read | Information Disclosure | Important | Zhanglin He | | CVE-2019-7765 | Use After Free | Arbitrary Code Execution | Critical | Zhanglin He | | CVE-2019-7777 | Out-of-Bounds Read | Information Disclosure | Important | Taojie Wang | | CVE-2019-7776 | Out-of-Bounds Read | Information Disclosure | Important | Taojie Wang | | CVE-2019-7775 | Out-of-Bounds Read | Information Disclosure | Important | Taojie Wang | | CVE-2019-7763 | Use After Free | Arbitrary Code Execution | Critical | Taojie Wang | **Foxit Software Vulnerabilities Credited:** |----------|----------------------------------------------|----------------------------------------------| | **Date** | **Researcher(s)** | **Vulnerability Description** | | 1/9/19 | Hui Gao and Zhaoyan Xu of Palo Alto Networks | Foxit Reader Heap Corruption | | 1/24/19 | Hui Gao and Zhaoyan Xu of Palo Alto Networks | Foxit Reader Memory Corruption Vulnerability | | 3/28/19 | Hui Gao of Palo Alto Networks | Foxit Reader Vulnerability | | 3/28/19 | Hui Gao of Palo Alto Networks | Foxit Reader Vulnerability | | 3/28/19 | Hui Gao of Palo Alto Networks | Foxit Reader Vulnerability | Back to top ### Tags * [Adobe](https://unit42.paloaltonetworks.com/tag/adobe/ "Adobe") * [Foxit](https://unit42.paloaltonetworks.com/tag/foxit/ "Foxit") [Threat Research Center](https://unit42.paloaltonetworks.com "Threat Research") [Next: Web-based Threats-2018 Q4: France Rises to #1 for Malicious URL Hosting, US #1 for Phishing](https://unit42.paloaltonetworks.com/web-based-threats-2018-q4-france-rises-to-1-for-malicious-url-hosting-us-1-for-phishing/ "Web-based Threats-2018 Q4: France Rises to #1 for Malicious URL Hosting, US #1 for Phishing") ### 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 Vulnerability Research Team Discovers 23 New Vulnerabilities February 2019 Disclosures -- Adobe and Microsoft](https://unit42.paloaltonetworks.com/unit-42-vulnerability-research-team-discovers-23-new-vulnerabilities-february-2019-disclosures-adobe-and-microsoft/ "article - table of contents") ## Related Threat Research Resources ![Pictorial representation of post-exploitation identity misuse in SPIFFE/SPIRE. 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A close-up of a computer circuit board with a central microchip is depicted. Red digital data streams in the form of glowing binary numbers and arrows appear to flow in and out of the chip. The scene is illuminated with a futuristic blue and red glow.](https://unit42.paloaltonetworks.com/wp-content/uploads/2026/08/04_Malware_Category_1920x900-4-786x368.jpg) [![category icon](https://unit42.paloaltonetworks.com/wp-content/uploads/2024/06/icon-threat-research.svg)Threat Research](https://unit42.paloaltonetworks.com/category/threat-research/) August 10, 2026 [#### The Permanent Threat: Analyzing Aeternum's Blockchain-Based C2 Operations and Communications](https://unit42.paloaltonetworks.com/aeternum-blockchain-c2-analysis/) * [Aeternum](https://unit42.paloaltonetworks.com/tag/aeternum/ "Aeternum") * [Infection chain](https://unit42.paloaltonetworks.com/tag/infection-chain/ "infection chain") * [JSON](https://unit42.paloaltonetworks.com/tag/json/ "JSON") [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/aeternum-blockchain-c2-analysis/ "The Permanent Threat: Analyzing Aeternum’s Blockchain-Based C2 Operations and Communications") ![Pictorial representation of Token-jacking. A person types on a laptop with multiple digital interface elements projected, including an "AI" icon](https://unit42.paloaltonetworks.com/wp-content/uploads/2026/08/AdobeStock_1246251272-2-786x369.jpg) [![category icon](https://unit42.paloaltonetworks.com/wp-content/uploads/2024/06/icon-threat-research.svg)Threat Research](https://unit42.paloaltonetworks.com/category/threat-research/) August 6, 2026 [#### Token Jacking: Cybercriminals Could Be Stealing Your AI Resources](https://unit42.paloaltonetworks.com/ai-token-jacking/) * [AI API](https://unit42.paloaltonetworks.com/tag/ai-api/ "AI API") * [AI gateway](https://unit42.paloaltonetworks.com/tag/ai-gateway/ "AI gateway") * [API keys](https://unit42.paloaltonetworks.com/tag/api-keys/ "API keys") [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/ai-token-jacking/ "Token Jacking: Cybercriminals Could Be Stealing Your AI Resources") * ![Slider arrow](https://unit42.paloaltonetworks.com/wp-content/themes/unit42-v6/dist/images/icons/slider-arrow-left.svg) * ![Slider arrow](https://unit42.paloaltonetworks.com/wp-content/themes/unit42-v6/dist/images/icons/slider-arrow-left.svg) ![Close button](https://unit42.paloaltonetworks.com/wp-content/themes/unit42-v6/dist/images/icons/close-modal.svg) ![Enlarged Image]() ![Newsletter](https://unit42.paloaltonetworks.com/wp-content/uploads/2026/03/unit42-footer-subscribe-desktop.png) ![UNIT 42 Small Logo](https://unit42.paloaltonetworks.com/wp-content/themes/unit42-v6/dist/images/palo-alto-logo-small.svg) Get updates from Unit 42 ## Peace of mind comes from staying ahead of threats. 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