UBUNTU-CVE-2021-30663

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    UBUNTU-CVE-2021-30663

    Published: 27 Jul 2021Last Modified: 22 Apr 2026
    Upstream:
    CVE-2021-30663
    Aliases:
    USN-5024-1

    Summary:

    Details: An integer overflow was addressed with improved input validation. This issue is fixed in iOS 14.5.1 and iPadOS 14.5.1, tvOS 14.6, iOS 12.5.3, Safari 14.1.1, macOS Big Sur 11.3.1. Processing maliciously crafted web content may lead to arbitrary code execution.

    References: https://ubuntu.com/security/CVE-2021-30663, https://ubuntu.com/security/notices/USN-5024-1, https://www.cve.org/CVERecord?id=CVE-2021-30663, https://www.cisa.gov/known-exploited-vulnerabilities-catalog

    Affected packages

    Package

    Name: qtwebkit-opensource-src

    Purl: pkg:deb/ubuntu/[email protected]+dfsg-2ubuntu1?arch=source&distro=xenial

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -None

    Affected versions

    5.4.2+dfsg-1ubuntu2.1

    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
    UBUNTU-CVE-2021-30663 | CVE-DB