UBUNTU-CVE-2015-4492

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    UBUNTU-CVE-2015-4492

    Published: 11 Aug 2015Last Modified: 22 Apr 2026
    Upstream:
    CVE-2015-4492
    Aliases:
    USN-2702-1

    Summary:

    Details: Use-after-free vulnerability in the XMLHttpRequest::Open implementation in Mozilla Firefox before 40.0 and Firefox ESR 38.x before 38.2 might allow remote attackers to execute arbitrary code via a SharedWorker object that makes recursive calls to the open method of an XMLHttpRequest object.

    References: https://ubuntu.com/security/CVE-2015-4492, https://www.mozilla.org/en-US/security/advisories/mfsa2015-92/, https://ubuntu.com/security/notices/USN-2702-1, https://www.cve.org/CVERecord?id=CVE-2015-4492

    Affected packages

    Package

    Name: firefox

    Purl: pkg:deb/ubuntu/[email protected]+build4-0ubuntu0.14.04.1?arch=source&distro=trusty

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -40.0+build4-0ubuntu0.14.04.1

    Affected versions

    24.0+build1-0ubuntu1

    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