critical
9.3
CWE
119 120
Advisory Published
CVE Published
Updated

CVE-2021-1763: Buffer Overflow

First published: Tue Jan 26 2021(Updated: )

A buffer overflow was addressed with improved bounds checking. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, iOS 14.4 and iPadOS 14.4. Processing a maliciously crafted USD file may lead to unexpected application termination or arbitrary code execution.

Credit: Mickey Jin Trend Micro working with Trend MicroMickey Jin Trend Micro working with Trend Micro product-security@apple.com

Affected SoftwareAffected VersionHow to fix
Apple macOS Big Sur<11.2
11.2
Apple Catalina
Apple Mojave
Apple iOS<14.4
14.4
Apple iPadOS<14.4
14.4
Apple iPadOS<14.4
Apple iPhone OS<14.4
Apple Mac OS X>=10.14<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_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-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-supplemental_update
Apple macOS>=11.0<11.2

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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?

    The vulnerability ID is CVE-2021-1763.

  • What is the severity of CVE-2021-1763?

    The severity of CVE-2021-1763 has not been specified.

  • How does CVE-2021-1763 affect macOS Big Sur?

    CVE-2021-1763 affects macOS Big Sur version up to and including 11.2.

  • How does CVE-2021-1763 affect iOS?

    CVE-2021-1763 affects iOS version up to and including 14.4.

  • How can I fix CVE-2021-1763?

    To fix CVE-2021-1763, update to the latest version of the affected software.

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