CVE-2019-9809

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    CVE-2019-9809

    Published: 26 Apr 2019Last Modified: 10 Mar 2026

    Summary:

    Details: If the source for resources on a page is through an FTP connection, it is possible to trigger a series of modal alert messages for these resources through invalid credentials or locations. These messages cannot be immediately dismissed, allowing for a denial of service (DOS) attack. This vulnerability affects Firefox < 66.

    References: , https://www.mozilla.org/security/advisories/mfsa2019-07/, https://bugzilla.mozilla.org/show_bug.cgi?id=1523249, https://bugzilla.mozilla.org/show_bug.cgi?id=1282430

    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