medium
5.5
CWE
125
Advisory Published
Updated

CVE-2021-30911

First published: Tue Aug 24 2021(Updated: )

An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in macOS Monterey 12.0.1, Security Update 2021-007 Catalina, iOS 15.1 and iPadOS 15.1, macOS Big Sur 11.6.1. Processing a maliciously crafted USD file may disclose memory contents.

Credit: Rui Yang Xingwei Lin Ant Security LightRui Yang Xingwei Lin Ant Security LightRui Yang Xingwei Lin Ant Security LightRui Yang Xingwei Lin Ant Security Light cve@mitre.org

Affected SoftwareAffected VersionHow to fix
Apple iOS<15.1
15.1
Apple iPadOS<15.1
15.1
Apple macOS Big Sur<11.6.1
11.6.1
Apple macOS Monterey<12.0.1
12.0.1
Apple Catalina
Apple iPadOS<15.1
Apple iPhone OS<15.1
Apple Mac OS X<10.15.7
Apple Mac OS X=10.15.7
Apple Mac OS X=10.15.7-security_update_2020-001
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-security_update_2021-004
Apple Mac OS X=10.15.7-security_update_2021-005
Apple Mac OS X=10.15.7-security_update_2021-006
Apple Mac OS X=10.15.7-supplemental_update
Apple macOS>=11.0<11.6.1
Apple macOS=12.0

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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 the vulnerability ID for this issue?

    The vulnerability ID for this issue is CVE-2021-30911.

  • What is the title of this vulnerability?

    The title of this vulnerability is Model I/O. An out-of-bounds read was addressed with improved bounds checking.

  • Who is the vendor of the affected software?

    The vendor of the affected software is Apple.

  • Which versions of macOS are affected by this vulnerability?

    The versions of macOS affected by this vulnerability are Catalina, macOS Big Sur (up to version 11.6.1), and macOS Monterey (up to version 12.0.1).

  • Which versions of iOS and iPadOS are affected by this vulnerability?

    The versions of iOS and iPadOS affected by this vulnerability are up to version 15.1.

  • How was this vulnerability addressed?

    This vulnerability was addressed with improved bounds checking.

  • Where can I find more information about this vulnerability?

    You can find more information about this vulnerability on the Apple support website. Please refer to the following links: [link1], [link2], [link3].

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