CWE
20 787
Advisory Published
CVE Published
Updated

CVE-2021-30766: 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 macOS Big Sur 11.5, Security Update 2021-004 Catalina, Security Update 2021-005 Mojave. An application may be able to execute arbitrary code with kernel privileges.

Credit: Liu Long Ant Security LightYinyi Wu @3ndy1 Qihoo 360 Vulcan Team product-security@apple.com

Affected SoftwareAffected VersionHow to fix
Apple macOS<11.5
11.5
macOS Catalina
macOS Mojave
Apple iOS and macOS>=10.14<=10.14.5
Apple iOS and macOS>=10.15<=10.15.6
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-security_update_2021-003
Apple iOS and macOS=10.14.6-security_update_2021-004
Apple iOS and macOS=10.14.6-supplemental_update
Apple iOS and macOS=10.14.6-supplemental_update_2
Apple iOS and macOS=10.15.7
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>=11.0<11.5

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Parent vulnerabilities

(Appears in the following advisories)

Frequently Asked Questions

  • What is CVE-2021-30766?

    CVE-2021-30766 is a vulnerability in the Intel Graphics Driver that allows an attacker to perform an out-of-bounds write.

  • How does Intel Graphics Driver vulnerability CVE-2021-30766 affect Apple Mojave?

    Apple Mojave is affected by the Intel Graphics Driver vulnerability CVE-2021-30766 and requires the appropriate security update from Apple to address the issue.

  • What is the severity of vulnerability CVE-2021-30766?

    The severity of vulnerability CVE-2021-30766 is not specified in the provided information. Refer to the official vulnerability report or the vendor's advisory for more details.

  • How can I fix the Intel Graphics Driver vulnerability CVE-2021-30766 on Apple macOS Big Sur 11.5?

    To fix the Intel Graphics Driver vulnerability CVE-2021-30766 on Apple macOS Big Sur 11.5, update to the latest version of the operating system provided by Apple.

  • Where can I find more information about the Intel Graphics Driver vulnerability CVE-2021-30766?

    You can find more information about the Intel Graphics Driver vulnerability CVE-2021-30766 in the references provided: [link1](https://support.apple.com/en-us/HT212600), [link2](https://support.apple.com/en-us/HT212602), [link3](https://support.apple.com/en-us/HT212603).

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