UBUNTU-CVE-2019-11728

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    UBUNTU-CVE-2019-11728

    Published: 11 Jul 2019Last Modified: 22 Apr 2026
    Upstream:
    CVE-2019-11728
    Aliases:
    USN-4054-1

    Summary:

    Details: The HTTP Alternative Services header, Alt-Svc, can be used by a malicious site to scan all TCP ports of any host that the accessible to a user when web content is loaded. This vulnerability affects Firefox < 68.

    References: https://ubuntu.com/security/CVE-2019-11728, https://www.mozilla.org/en-US/security/advisories/mfsa2019-21/#CVE-2019-11728, https://ubuntu.com/security/notices/USN-4054-1, https://www.cve.org/CVERecord?id=CVE-2019-11728

    Affected packages

    Package

    Name: firefox

    Purl: pkg:deb/ubuntu/[email protected]+build3-0ubuntu0.16.04.1?arch=source&distro=xenial

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -68.0+build3-0ubuntu0.16.04.1

    Affected versions

    41.0.2+build2-0ubuntu1

    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