CWE
119
Advisory Published
CVE Published
Updated

CVE-2021-31077: Buffer Overflow

First published: Mon Dec 14 2020(Updated: )

Wi-Fi. A buffer overflow was addressed with improved size validation.

Credit: Lee @SNU CompSecLee @SNU CompSecLee @SNU CompSec cve@mitre.org

Affected SoftwareAffected VersionHow to fix
Apple watchOS<7.2
7.2
Apple tvOS<14.3
14.3
Apple iOS<14.3
14.3
Apple iPadOS<14.3
14.3

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Parent vulnerabilities

(Appears in the following advisories)

Frequently Asked Questions

  • What is CVE-2021-31077?

    CVE-2021-31077 is a Wi-Fi vulnerability that was addressed with improved size validation for buffer overflow.

  • Which software versions are affected by CVE-2021-31077?

    Apple iOS versions up to (but not including) 14.3, Apple iPadOS versions up to (but not including) 14.3, Apple watchOS versions up to (but not including) 7.2, and Apple tvOS versions up to (but not including) 14.3 are affected by CVE-2021-31077.

  • What is the severity of CVE-2021-31077?

    The severity of CVE-2021-31077 is not specified.

  • How can I fix CVE-2021-31077?

    To fix CVE-2021-31077, update your Apple devices to iOS 14.3 or later, iPadOS 14.3 or later, watchOS 7.2 or later, or tvOS 14.3 or later.

  • Where can I find more information about CVE-2021-31077?

    You can find more information about CVE-2021-31077 on the Apple support website.

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