Archive

2 April 2021

Vulnerabilities first published on this day (UTC), newest first.

← March 2021 2021 / April /2 May 2021 →

All Critical High Medium Low Exploited only Public exploit

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Medium 6.1

CVE-2021-1879 Exploited

This issue was addressed by improved management of object lifetimes. This issue is fixed in iOS 12.5.2, iOS 14.4.2 and …

Apple iOS and iPadOS watchOS iOS iOS

Apr 2, 2021
KEV Nov 3, 2021
Critical 9.8

CVE-2021-1871 Exploited

A logic issue was addressed with improved restrictions. This issue is fixed in macOS Big Sur 11.2, Security Update 2021…

Apple macOS iOS and iPadOS qtwebkit-source macOS iOS Debian Ubuntu Alpine

Apr 2, 2021
KEV Nov 3, 2021
Critical 9.8

CVE-2021-1870 Exploited

A logic issue was addressed with improved restrictions. This issue is fixed in macOS Big Sur 11.2, Security Update 2021…

Apple macOS iOS and iPadOS qtwebkit-source macOS iOS Debian Ubuntu Alpine

Apr 2, 2021
KEV Nov 3, 2021
High 8.8

CVE-2021-1789 Exploited EPSS 14%

A type confusion issue was addressed with improved state handling. This issue is fixed in macOS Big Sur 11.2, Security …

Apple macOS iOS and iPadOS qtwebkit-source macOS iOS Debian Ubuntu Alpine

Apr 2, 2021
KEV May 4, 2022
High 7.0

CVE-2021-1782 Exploited Public exploit

A race condition was addressed with improved locking. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-0…

Apple macOS iOS and iPadOS macOS iOS

Apr 2, 2021
KEV Nov 3, 2021