9.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
7.5 High
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P
For our customers’ protection, Apple doesn’t disclose, discuss, or confirm security issues until an investigation has occurred and patches or releases are available. Recent releases are listed on the Apple security updates page.
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 Micro’s 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 Groß 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 Micro’s 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.
9.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
7.5 High
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P