medium
6.5
Advisory Published
CVE Published
Updated

CVE-2021-1765

First published: Mon Feb 01 2021(Updated: )

This issue was addressed with improved iframe sandbox enforcement. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave. Maliciously crafted web content may violate iframe sandboxing policy.

Credit: product-security@apple.com Eliya Stein ConfiantEliya Stein Confiant

Affected SoftwareAffected VersionHow to fix
Apple macOS Big Sur<11.2
11.2
Apple Catalina
Apple Mojave
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_2019-004
Apple Mac OS X=10.14.6-security_update_2019-005
Apple Mac OS X=10.14.6-security_update_2019-006
Apple Mac OS X=10.14.6-security_update_2019-007
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
Fedoraproject Fedora=32
Fedoraproject Fedora=33
WebKitGTK WebKitGTK<2.30.6

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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 the vulnerability ID for this issue?

    The vulnerability ID for this issue is CVE-2021-1765.

  • What is the affected software for this vulnerability?

    The affected software for this vulnerability includes macOS Big Sur (version 11.2), Apple Catalina, and Apple Mojave.

  • How was this vulnerability addressed?

    This vulnerability was addressed with improved iframe sandbox enforcement.

  • Which version of macOS Big Sur is affected by this vulnerability?

    This vulnerability affects macOS Big Sur up to but excluding version 11.2.

  • Where can I find more information about this vulnerability?

    You can find more information about this vulnerability on the Apple support website: https://support.apple.com/en-us/HT212147

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