high
7.8
CWE
20 190
Advisory Published
CVE Published
Updated

CVE-2021-30760: Input Validation

First published: Mon Jul 19 2021(Updated: )

FontParser. An integer overflow was addressed through improved input validation.

Credit: Sunglin Knownsec 404 teamSunglin Knownsec 404 teamSunglin Knownsec 404 teamSunglin Knownsec 404 teamSunglin Knownsec 404 team product-security@apple.com

Affected SoftwareAffected VersionHow to fix
Apple iPadOS<14.7
Apple iPhone OS<14.7
Apple Mac OS X=10.14
Apple Mac OS X=10.14.0
Apple Mac OS X=10.14.1
Apple Mac OS X=10.14.2
Apple Mac OS X=10.14.3
Apple Mac OS X=10.14.4
Apple Mac OS X=10.14.5
Apple Mac OS X=10.14.6
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-security_update_2021-003
Apple Mac OS X=10.14.6-security_update_2021-004
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
Apple Mac OS X=10.15.1
Apple Mac OS X=10.15.2
Apple Mac OS X=10.15.3
Apple Mac OS X=10.15.4
Apple Mac OS X=10.15.5
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-security_update_2021-002
Apple Mac OS X=10.15.7-security_update_2021-003
Apple Mac OS X=10.15.7-supplemental_update
Apple macOS>=11.0<11.5
Apple tvOS<14.7
Apple watchOS<7.6
Apple watchOS<7.6
7.6
Apple Mojave
Apple macOS Big Sur<11.5
11.5
Apple tvOS<14.7
14.7
Apple Catalina

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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-2021-30760?

    CVE-2021-30760 is a vulnerability in the FontParser component that allows for integer overflow due to inadequate input validation.

  • Which software is affected by CVE-2021-30760?

    CVE-2021-30760 affects multiple versions of Apple software including Mojave, watchOS, tvOS, Catalina, and macOS Big Sur.

  • How does CVE-2021-30760 impact the affected software?

    CVE-2021-30760 can result in an integer overflow, which could potentially lead to arbitrary code execution or other security issues.

  • How can I fix CVE-2021-30760?

    To fix CVE-2021-30760, it is recommended to update to the latest version of the affected Apple software, as the vulnerability has been addressed through improved input validation.

  • Where can I find more information about CVE-2021-30760?

    For more information about CVE-2021-30760, you can refer to the following Apple support articles: [https://support.apple.com/en-us/HT212605](https://support.apple.com/en-us/HT212605), [https://support.apple.com/en-us/HT212604](https://support.apple.com/en-us/HT212604), [https://support.apple.com/en-us/HT212600](https://support.apple.com/en-us/HT212600).

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