UBUNTU-CVE-2023-5729

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    UBUNTU-CVE-2023-5729

    Published: 25 Oct 2023Last Modified: 22 Apr 2026
    Upstream:
    CVE-2023-5729
    Aliases:
    USN-6456-1

    Summary:

    Details: A malicious web site can enter fullscreen mode while simultaneously triggering a WebAuthn prompt. This could have obscured the fullscreen notification and could have been leveraged in a spoofing attack. This vulnerability affects Firefox < 119.

    References: https://ubuntu.com/security/CVE-2023-5729, https://www.mozilla.org/en-US/security/advisories/mfsa2023-45/#CVE-2023-5729, https://bugzilla.mozilla.org/show_bug.cgi?id=1823720, https://www.mozilla.org/security/advisories/mfsa2023-45/, https://ubuntu.com/security/notices/USN-6456-1, https://www.cve.org/CVERecord?id=CVE-2023-5729

    Affected packages

    Package

    Name: mozjs52

    Purl: pkg:deb/ubuntu/[email protected]?arch=source&distro=bionic

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -None

    Affected versions

    52.3.1-0ubuntu3
    52.3.1-7fakesync1

    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-2023-5729 | CVE-DB