CWE
20 125
Advisory Published
CVE Published
Updated

CVE-2021-1794: Input Validation

First published: Tue Jan 26 2021(Updated: )

Bluetooth. An out-of-bounds read was addressed with improved input validation.

Credit: Jianjun Dai 360 Alpha Lab product-security@apple.com

Affected SoftwareAffected VersionHow to fix
Apple iOS<14.4
14.4
Apple iPadOS<14.4
14.4
Apple Ipad Os<14.4
Apple iPhone OS<14.4

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Parent vulnerabilities

(Appears in the following advisories)

Frequently Asked Questions

  • What is CVE-2021-1794?

    CVE-2021-1794 is a vulnerability related to Bluetooth that allows an out-of-bounds read due to improved input validation.

  • Which software is affected by CVE-2021-1794?

    CVE-2021-1794 affects Apple iOS up to version 14.4 and Apple iPadOS up to version 14.4.

  • How severe is CVE-2021-1794?

    The severity of CVE-2021-1794 depends on the impact of the out-of-bounds read, which could potentially lead to unauthorized access or information disclosure.

  • How can I fix CVE-2021-1794?

    To fix CVE-2021-1794, update your Apple iOS or iPadOS device to version 14.4 or higher.

  • Where can I find more information about CVE-2021-1794?

    You can find more information about CVE-2021-1794 on the Apple support website at the following link: [https://support.apple.com/en-us/HT212146](https://support.apple.com/en-us/HT212146)

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