UBUNTU-CVE-2015-7215

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    UBUNTU-CVE-2015-7215

    Published: 15 Dec 2015Last Modified: 22 Apr 2026
    Upstream:
    CVE-2015-7215
    Aliases:
    USN-2833-1

    Summary:

    Details: The importScripts function in the Web Workers API implementation in Mozilla Firefox before 43.0 allows remote attackers to bypass the Same Origin Policy by triggering use of the no-cors mode in the fetch API to attempt resource access that throws an exception, leading to information disclosure after a rethrow.

    References: https://ubuntu.com/security/CVE-2015-7215, https://www.mozilla.org/en-US/security/advisories/mfsa2015-140/, https://ubuntu.com/security/notices/USN-2833-1, https://www.cve.org/CVERecord?id=CVE-2015-7215

    Affected packages

    Package

    Name: firefox

    Purl: pkg:deb/ubuntu/[email protected]+build1-0ubuntu0.14.04.1?arch=source&distro=trusty

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -43.0+build1-0ubuntu0.14.04.1

    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
    UBUNTU-CVE-2015-7215 | CVE-DB