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Apple security documents reference vulnerabilities by CVE-ID when possible.
For more information about security, see the Apple Product Security page.
Released May 26, 2020
Safari
Available for: macOS Mojave and macOS High Sierra, and included in macOS Catalina
Impact: A malicious process may cause Safari to launch an application
Description: A logic issue was addressed with improved restrictions.
CVE-2020-9801: @jinmo123, @setuid0x0_, and @insu_yun_en of @SSLab_Gatech working with Trend Microโs Zero Day Initiative
WebKit
Available for: macOS Mojave and macOS High Sierra, and included in macOS Catalina
Impact: Processing maliciously crafted web content may lead to arbitrary code execution
Description: A logic issue was addressed with improved restrictions.
CVE-2020-9802: Samuel Groร of Google Project Zero
WebKit
Available for: macOS Mojave and macOS High Sierra, and included in macOS Catalina
Impact: Processing maliciously crafted web content may lead to universal cross site scripting
Description: A logic issue was addressed with improved restrictions.
CVE-2020-9805: an anonymous researcher
WebKit
Available for: macOS Mojave and macOS High Sierra, and included in macOS Catalina
Impact: Processing maliciously crafted web content may lead to arbitrary code execution
Description: A type confusion issue was addressed with improved memory handling.
CVE-2020-9800: Brendan Draper (@6r3nd4n) working with Trend Micro Zero Day Initiative
WebKit
Available for: macOS Mojave and macOS High Sierra, and included in macOS Catalina
Impact: Processing maliciously crafted web content may lead to arbitrary code execution
Description: A memory corruption issue was addressed with improved state management.
CVE-2020-9806: Wen Xu of SSLab at Georgia Tech
CVE-2020-9807: Wen Xu of SSLab at Georgia Tech
WebKit
Available for: macOS Mojave and macOS High Sierra, and included in macOS Catalina
Impact: A remote attacker may be able to cause arbitrary code execution
Description: A logic issue was addressed with improved restrictions.
CVE-2020-9850: @jinmo123, @setuid0x0_, and @insu_yun_en of @SSLab_Gatech working with Trend Microโs Zero Day Initiative
WebKit
Available for: macOS Mojave and macOS High Sierra, and included in macOS Catalina
Impact: Processing maliciously crafted web content may lead to a cross site scripting attack
Description: An input validation issue was addressed with improved input validation.
CVE-2020-9843: Ryan Pickren (ryanpickren.com)
WebKit
Available for: macOS Mojave and macOS High Sierra, and included in macOS Catalina
Impact: Processing maliciously crafted web content may lead to arbitrary code execution
Description: A memory corruption issue was addressed with improved validation.
CVE-2020-9803: Wen Xu of SSLab at Georgia Tech
WebRTC
Available for: macOS Mojave and macOS High Sierra, and included in macOS Catalina
Impact: Processing maliciously crafted web content may result in the disclosure of process memory
Description: An access issue was addressed with improved memory management.
CVE-2019-20503: Natalie Silvanovich of Google Project Zero
WebKit
We would like to acknowledge Aidan Dunlap of UT Austin for their assistance.