critical
9.3
CWE
787
Advisory Published
CVE Published
Updated

CVE-2021-30780

First published: Mon Jul 19 2021(Updated: )

CVMS. An out-of-bounds write issue was addressed with improved bounds checking.

Credit: Tim Michaud @TimGMichaud Zoom Video CommunicationsTim Michaud @TimGMichaud Zoom Video CommunicationsTim Michaud @TimGMichaud Zoom Video CommunicationsTim Michaud @TimGMichaud Zoom Video CommunicationsTim Michaud @TimGMichaud Zoom Video Communications product-security@apple.com

Affected SoftwareAffected VersionHow to fix
Apple Mojave
Apple Catalina
Apple tvOS<14.7
14.7
Apple macOS<11.5
11.5
Apple iPhone OS<14.7
macOS Yosemite>=10.14<=10.14.5
macOS Yosemite>=10.15<=10.15.6
macOS Yosemite=10.14.6
macOS Yosemite=10.14.6-security_update_2019-001
macOS Yosemite=10.14.6-security_update_2019-002
macOS Yosemite=10.14.6-security_update_2019-004
macOS Yosemite=10.14.6-security_update_2019-005
macOS Yosemite=10.14.6-security_update_2019-006
macOS Yosemite=10.14.6-security_update_2019-007
macOS Yosemite=10.14.6-security_update_2020-001
macOS Yosemite=10.14.6-security_update_2020-002
macOS Yosemite=10.14.6-security_update_2020-003
macOS Yosemite=10.14.6-security_update_2020-004
macOS Yosemite=10.14.6-security_update_2020-005
macOS Yosemite=10.14.6-security_update_2020-006
macOS Yosemite=10.14.6-security_update_2020-007
macOS Yosemite=10.14.6-security_update_2021-001
macOS Yosemite=10.14.6-security_update_2021-002
macOS Yosemite=10.14.6-security_update_2021-003
macOS Yosemite=10.14.6-security_update_2021-004
macOS Yosemite=10.14.6-supplemental_update
macOS Yosemite=10.14.6-supplemental_update_2
macOS Yosemite=10.15.7
macOS Yosemite=10.15.7-security_update_2020
macOS Yosemite=10.15.7-security_update_2020-001
macOS Yosemite=10.15.7-security_update_2020-005
macOS Yosemite=10.15.7-security_update_2020-007
macOS Yosemite=10.15.7-security_update_2021-001
macOS Yosemite=10.15.7-security_update_2021-002
macOS Yosemite=10.15.7-security_update_2021-003
macOS Yosemite=10.15.7-supplemental_update
Apple macOS>=11.0<11.5
Apple tvOS<14.7
Apple watchOS<7.6
watchOS<7.6
7.6

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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-2021-30780?

    CVE-2021-30780 is an out-of-bounds write vulnerability that has been addressed with improved bounds checking.

  • What software is affected by CVE-2021-30780?

    CVE-2021-30780 affects Apple Mojave, Apple watchOS up to version 7.6, Apple tvOS up to version 14.7, Apple Catalina, and Apple macOS Big Sur up to version 11.5.

  • How can I fix CVE-2021-30780?

    To fix CVE-2021-30780, update your software to the latest version available from Apple.

  • Where can I find more information about CVE-2021-30780?

    You can find more information about CVE-2021-30780 on the Apple support website at the following links: [CVE-2021-30780 - Apple Support](https://support.apple.com/en-us/HT212605), [CVE-2021-30780 - Apple Support](https://support.apple.com/en-us/HT212604), [CVE-2021-30780 - Apple Support](https://support.apple.com/en-us/HT212600).

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