medium
5.5
CWE
125
Advisory Published
Updated
Advisory Published

CVE-2021-30910: Apple macOS ModelIO ABC File Parsing Out-Of-Bounds Read Information Disclosure Vulnerability

First published: Tue Aug 24 2021(Updated: )

Model I/O. An out-of-bounds read was addressed with improved bounds checking.

Credit: Mickey Jin @patch1t Trend MicroMickey Jin @patch1t Trend MicroMickey Jin @patch1t Trend MicroMickey Jin @patch1t Trend MicroMickey Jin @patch1t Trend Micro cve@mitre.org

Affected SoftwareAffected VersionHow to fix
Apple macOS<11.6.1
11.6.1
tvOS<15.1
15.1
macOS Catalina
macOS<12.0.1
12.0.1
macOS
Apple iOS and iPadOS<15.1
15.1
Apple iOS, iPadOS, and macOS<15.1
15.1
Apple iOS, iPadOS, and macOS<15.1
iPhone OS<15.1
Apple iOS and macOS<10.15.7
Apple iOS and macOS=10.15.7
Apple iOS and macOS=10.15.7-security_update_2020-001
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-security_update_2021-004
Apple iOS and macOS=10.15.7-security_update_2021-005
Apple iOS and macOS=10.15.7-security_update_2021-006
Apple iOS and macOS=10.15.7-supplemental_update
macOS>=11.0<11.6.1
macOS=12.0
tvOS<15.1

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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-2021-30910?

    CVE-2021-30910 refers to a vulnerability in Model I/O that allowed for an out-of-bounds read, which has been addressed with improved bounds checking.

  • Who is affected by CVE-2021-30910?

    Users of Apple products including Apple Catalina, macOS Big Sur, iOS, iPadOS, macOS Monterey, and tvOS are affected by CVE-2021-30910.

  • How can I check if my system is affected by CVE-2021-30910?

    You can check if your system is affected by CVE-2021-30910 by reviewing the list of affected software versions provided by Apple in their security advisory.

  • How can I fix CVE-2021-30910?

    To fix CVE-2021-30910, you should update your Apple device to the recommended software version provided by Apple in their security advisory.

  • Where can I find more information about CVE-2021-30910?

    You can find more information about CVE-2021-30910 in the security advisory published by Apple, which includes mitigation steps and links to additional resources.

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