CVE-2023-4583

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    CVE-2023-4583

    Published: 11 Sept 2023Last Modified: 1 Jul 2026

    Summary:

    Details: When checking if the Browsing Context had been discarded in `HttpBaseChannel`, if the load group was not available then it was assumed to have already been discarded which was not always the case for private channels after the private session had ended. This vulnerability affects Firefox < 117, Firefox ESR < 115.2, and Thunderbird < 115.2.

    References: https://www.mozilla.org/security/advisories/mfsa2023-34/, https://www.mozilla.org/security/advisories/mfsa2023-36/, https://www.mozilla.org/security/advisories/mfsa2023-38/, https://bugzilla.mozilla.org/show_bug.cgi?id=1842030

    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-2023-4583 | CVE-DB