high
7.5
CWE
787
Advisory Published
CVE Published
Updated

CVE-2021-1808

First published: Mon Apr 26 2021(Updated: )

A memory corruption issue was addressed with improved validation. 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. An application may be able to read restricted memory.

Credit: JunDong Xie Ant Security LightJunDong Xie Ant Security LightJunDong Xie Ant Security LightJunDong Xie Ant Security LightJunDong Xie Ant Security LightJunDong Xie Ant Security Light product-security@apple.com

Affected SoftwareAffected VersionHow to fix
Apple iOS<14.5
14.5
Apple iPadOS<14.5
14.5
Apple tvOS<14.5
14.5
<7.4
7.4
Apple macOS Big Sur<11.3
11.3
Apple Catalina
Apple Mojave
Apple iPadOS<14.5
Apple iPhone OS<14.5
Apple Mac OS X>=10.14<=10.14.5
Apple Mac OS X>=10.15<=10.15.5
Apple Mac OS X=10.14.6
Apple Mac OS X=10.14.6-security_update_2019-001
Apple Mac OS X=10.14.6-security_update_2019-002
Apple Mac OS X=10.14.6-security_update_2019-004
Apple Mac OS X=10.14.6-security_update_2019-005
Apple Mac OS X=10.14.6-security_update_2019-006
Apple Mac OS X=10.14.6-security_update_2019-007
Apple Mac OS X=10.14.6-security_update_2020-001
Apple Mac OS X=10.14.6-security_update_2020-002
Apple Mac OS X=10.14.6-security_update_2020-003
Apple Mac OS X=10.14.6-security_update_2020-004
Apple Mac OS X=10.14.6-security_update_2020-005
Apple Mac OS X=10.14.6-security_update_2020-006
Apple Mac OS X=10.14.6-security_update_2020-007
Apple Mac OS X=10.14.6-security_update_2021-001
Apple Mac OS X=10.14.6-security_update_2021-002
Apple Mac OS X=10.14.6-supplemental_update
Apple Mac OS X=10.14.6-supplemental_update_2
Apple Mac OS X=10.15.6
Apple Mac OS X=10.15.6-supplemental_update
Apple Mac OS X=10.15.7
Apple Mac OS X=10.15.7-security_update_2020
Apple Mac OS X=10.15.7-security_update_2020-001
Apple Mac OS X=10.15.7-security_update_2020-005
Apple Mac OS X=10.15.7-security_update_2020-007
Apple Mac OS X=10.15.7-security_update_2021-001
Apple Mac OS X=10.15.7-supplemental_update
Apple macOS>=11.0<11.3
Apple tvOS<14.5
Apple watchOS<7.4

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Reference Links

Parent vulnerabilities

(Appears in the following advisories)

Peer vulnerabilities

(Found alongside the following vulnerabilities)

Frequently Asked Questions

  • What is CVE-2021-1808?

    CVE-2021-1808 is a memory corruption issue in the Audio component that has been addressed with improved validation.

  • Which software versions are affected by CVE-2021-1808?

    CVE-2021-1808 affects Apple iOS versions up to but excluding 14.5, Apple iPadOS versions up to but excluding 14.5, Apple watchOS versions up to but excluding 7.4, Apple macOS Big Sur versions up to but excluding 11.3, Apple Catalina, Apple tvOS versions up to but excluding 14.5, and Apple Mojave.

  • How can I fix CVE-2021-1808?

    To fix CVE-2021-1808, update your Apple device to the recommended version mentioned in the affected software section.

  • Where can I find more information about CVE-2021-1808?

    You can find more information about CVE-2021-1808 on the official Apple support page at [https://support.apple.com/en-us/HT212326](https://support.apple.com/en-us/HT212326).

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