CVE-2021-30665

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    CVE-2021-30665

    Published: 8 Sept 2021Last Modified: 16 Apr 2026

    Summary:

    Details: A memory corruption issue was addressed with improved state management. This issue is fixed in watchOS 7.4.1, iOS 14.5.1 and iPadOS 14.5.1, tvOS 14.6, iOS 12.5.3, macOS Big Sur 11.3.1. Processing maliciously crafted web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited..

    References: https://support.apple.com/en-us/HT212339, https://support.apple.com/en-us/HT212341, https://support.apple.com/en-us/HT212532, https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-30665, https://support.apple.com/en-us/HT212335, https://support.apple.com/en-us/HT212336

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: N/A

    Events:

    Introduced- None
    Fixed -None

    Affected versions

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    CVE-2021-30665 | CVE-DB