CVE-2021-1860: High severity apple macos vulnerability

Published Apr 26, 2021
·
Updated

A memory initialization issue was addressed with improved memory handling. This issue is fixed in Security Update 2021-002 Catalina, Security Update 2021-003 Mojave, iOS 14.5 and iPadOS 14.5, watchOS 7.4, tvOS 14.5, macOS Big Sur 11.3. A malicious application may be able to disclose kernel memory.

Other sources

Kernel. A memory initialization issue was addressed with improved memory handling.

Credit

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Affected Software

41 affected componentsFixes available
Apple macOS Big Sur<11.3
11.3
Apple tvOS<14.5
14.5
Apple Catalina
Apple Mojave
Apple WatchOS<7.4
7.4
Apple iOS<14.5
14.5
Apple iPadOS<14.5
14.5
Apple iPadOS<14.5
Apple iPhone OS<14.5
Apple iOS and macOS>=10.14<=10.14.5
Apple iOS and macOS>=10.15<=10.15.5
Apple iOS and macOS=10.14.6
Apple iOS and macOS=10.14.6-security_update_2019-001
Apple iOS and macOS=10.14.6-security_update_2019-002
Apple iOS and macOS=10.14.6-security_update_2019-004
Apple iOS and macOS=10.14.6-security_update_2019-005
Apple iOS and macOS=10.14.6-security_update_2019-006
Apple iOS and macOS=10.14.6-security_update_2019-007
Apple iOS and macOS=10.14.6-security_update_2020-001
Apple iOS and macOS=10.14.6-security_update_2020-002
Apple iOS and macOS=10.14.6-security_update_2020-003
Apple iOS and macOS=10.14.6-security_update_2020-004
Apple iOS and macOS=10.14.6-security_update_2020-005
Apple iOS and macOS=10.14.6-security_update_2020-006
Apple iOS and macOS=10.14.6-security_update_2020-007
Apple iOS and macOS=10.14.6-security_update_2021-001
Apple iOS and macOS=10.14.6-security_update_2021-002
Apple iOS and macOS=10.14.6-supplemental_update
Apple iOS and macOS=10.14.6-supplemental_update_2
Apple iOS and macOS=10.15.6
Apple iOS and macOS=10.15.6-supplemental_update
Apple iOS and macOS=10.15.7
Apple iOS and macOS=10.15.7-security_update_2020
Apple iOS and macOS=10.15.7-security_update_2020-001
Apple iOS and macOS=10.15.7-security_update_2020-005
Apple iOS and macOS=10.15.7-security_update_2020-007
Apple iOS and macOS=10.15.7-security_update_2021-001
Apple iOS and macOS=10.15.7-supplemental_update
Apple macOS>=11.0<11.3
Apple tvOS<14.5
Apple WatchOS<7.4

Event History

Sep 8, 2021
CVE Published
via MITRE·02:45 PM
Data Sourced
via MITRE·02:45 PM
DescriptionWeakness

Parent advisories

This vulnerability appears in the following advisories.

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Frequently Asked Questions

1

What is the vulnerability ID for this issue?

The vulnerability ID for this issue is CVE-2021-1860.

2

What is the affected software for this vulnerability?

The affected software includes Apple iOS, Apple iPadOS, Apple watchOS, Apple macOS Big Sur, Apple Catalina, Apple tvOS, and Apple Mojave.

3

How severe is CVE-2021-1860?

The severity of CVE-2021-1860 has not been provided.

4

What is the fix for CVE-2021-1860?

The fix for CVE-2021-1860 is to update to the latest version of the affected software. Apple has released updates to address the vulnerability.

5

Where can I find more information about CVE-2021-1860?

You can find more information about CVE-2021-1860 on the Apple support page at the following links: [support.apple.com/en-us/HT212326](https://support.apple.com/en-us/HT212326), [support.apple.com/en-us/HT212327](https://support.apple.com/en-us/HT212327), [support.apple.com/en-us/HT212317](https://support.apple.com/en-us/HT212317).

Contact

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