Advisory Published
CVE Published
Updated

CVE-2021-30768

First published: Mon Jul 19 2021(Updated: )

A logic issue was addressed with improved validation. This issue is fixed in iOS 14.7, macOS Big Sur 11.5, watchOS 7.6, tvOS 14.7, Security Update 2021-004 Catalina. A sandboxed process may be able to circumvent sandbox restrictions.

Credit: Linus Henze (pinauten.de) product-security@apple.com

Affected SoftwareAffected VersionHow to fix
Apple macOS<11.5
11.5
tvOS<14.7
14.7
macOS Catalina
Apple iOS, iPadOS, and watchOS<7.6
7.6
iStyle @cosme iPhone OS<14.7
Apple iOS and macOS>=10.15<=10.15.6
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-security_update_2021-002
Apple iOS and macOS=10.15.7-security_update_2021-003
Apple iOS and macOS=10.15.7-supplemental_update
Apple iOS and macOS<11.5
tvOS<14.7
Apple iOS, iPadOS, and watchOS<7.6

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Parent vulnerabilities

(Appears in the following advisories)

Frequently Asked Questions

  • What is CVE-2021-30768?

    CVE-2021-30768 is a logic issue in the dyld library that has been addressed with improved validation.

  • Which software is affected by CVE-2021-30768?

    CVE-2021-30768 affects Apple watchOS 7.6, Apple tvOS 14.7, Apple Catalina, and Apple macOS Big Sur 11.5.

  • What is the severity of CVE-2021-30768?

    The severity of CVE-2021-30768 has not been specified.

  • How can I fix CVE-2021-30768?

    To fix CVE-2021-30768, update to the latest versions of the affected software.

  • Where can I find more information about CVE-2021-30768?

    You can find more information about CVE-2021-30768 on the Apple support website. Here are some references: [Reference 1](https://support.apple.com/en-us/HT212605), [Reference 2](https://support.apple.com/en-us/HT212604), [Reference 3](https://support.apple.com/en-us/HT212600).

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