UBUNTU-CVE-2022-22761

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    UBUNTU-CVE-2022-22761

    Published: 9 Feb 2022Last Modified: 22 Apr 2026
    Upstream:
    CVE-2022-22761

    Summary:

    Details: Web-accessible extension pages (pages with a moz-extension:// scheme) were not correctly enforcing the frame-ancestors directive when it was used in the Web Extension's Content Security Policy. This vulnerability affects Firefox < 97, Thunderbird < 91.6, and Firefox ESR < 91.6.

    References: https://ubuntu.com/security/CVE-2022-22761, https://www.mozilla.org/en-US/security/advisories/mfsa2022-04/#CVE-2022-22761, https://www.mozilla.org/en-US/security/advisories/mfsa2022-05/#CVE-2022-22761, https://ubuntu.com/security/notices/USN-5284-1, https://ubuntu.com/security/notices/USN-5345-1, https://www.cve.org/CVERecord?id=CVE-2022-22761

    Affected packages

    Package

    Name: firefox

    Purl: pkg:deb/ubuntu/[email protected]+build2-0ubuntu0.18.04.1?arch=source&distro=bionic

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -97.0+build2-0ubuntu0.18.04.1

    Affected versions

    56.0+build6-0ubuntu1

    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-2022-22761 | CVE-DB