Apple · Safari · CVE-2021-1799
Name of the Vulnerable Software and Affected Versions:
macOS Big Sur versions prior to 11.2
Security Update versions prior to 2021-001 Catalina
Security Update versions prior to 2021-001 Mojave
tvOS versions prior to 14.4
watchOS versions prior to 7.3
iOS versions prior to 14.4
iPadOS versions prior to 14.4
Safari versions prior to 14.0.3
Description:
A port redirection issue was addressed with additional port validation. A malicious website may be able to access restricted ports on arbitrary servers.
Recommendations:
For macOS Big Sur, update to version 11.2 or later.
For Security Update Catalina, apply Security Update 2021-001 or later.
For Security Update Mojave, apply Security Update 2021-001 or later.
For tvOS, update to version 14.4 or later.
For watchOS, update to version 7.3 or later.
For iOS, update to version 14.4 or later.
For iPadOS, update to version 14.4 or later.
For Safari, update to version 14.0.3 or later.