high
7.8
CWE
20 787
Advisory Published
CVE Published
Updated

CVE-2021-30792: Input Validation

First published: Wed Jul 21 2021(Updated: )

An out-of-bounds write was addressed with improved input validation. This issue is fixed in iOS 14.7, macOS Big Sur 11.5. Processing a maliciously crafted image may lead to arbitrary code execution.

Credit: Anonymous Trend Micro Zero Day InitiativeAnonymous Trend Micro Zero Day InitiativeAnonymous Trend Micro Zero Day Initiative product-security@apple.com

Affected SoftwareAffected VersionHow to fix
Apple macOS Big Sur<11.5
11.5
Apple Mojave
Apple Catalina
Apple iPadOS<14.7
Apple iPhone OS<14.7
Apple Mac OS X>=10.14.0<10.14.6
Apple Mac OS X>=10.15<10.15.7
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=10.15.7
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<11.5

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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-2021-30792?

    CVE-2021-30792 is a vulnerability in Apple's Model I/O that allows an attacker to perform an out-of-bounds write due to insufficient input validation.

  • What is the severity of CVE-2021-30792?

    The severity of CVE-2021-30792 is not mentioned in the provided information.

  • How does CVE-2021-30792 affect Apple Mojave?

    CVE-2021-30792 affects Apple Mojave.

  • How does CVE-2021-30792 affect Apple Catalina?

    CVE-2021-30792 affects Apple Catalina.

  • How does CVE-2021-30792 affect Apple macOS Big Sur?

    CVE-2021-30792 affects Apple macOS Big Sur versions up to and including 11.5.

  • How can I fix CVE-2021-30792?

    To fix CVE-2021-30792, update to the latest version of the affected software as per Apple's security advisory.

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