CVE-2021-30884

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    CVE-2021-30884

    Published: 24 Aug 2021Last Modified: 14 Mar 2026

    Summary:

    Details: The issue was resolved with additional restrictions on CSS compositing. This issue is fixed in tvOS 15, watchOS 8, iOS 15 and iPadOS 15. Visiting a maliciously crafted website may reveal a user's browsing history.

    References: http://www.openwall.com/lists/oss-security/2021/12/20/6, https://support.apple.com/en-us/HT212814, https://support.apple.com/en-us/HT212815, https://support.apple.com/en-us/HT212819, https://support.apple.com/kb/HT212869

    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-2021-30884 | CVE-DB