UBUNTU-CVE-2015-4518

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    UBUNTU-CVE-2015-4518

    Published: 4 Nov 2015Last Modified: 22 Apr 2026
    Upstream:
    CVE-2015-4518
    Aliases:
    USN-2785-1

    Summary:

    Details: The Reader View implementation in Mozilla Firefox before 42.0 has an improper whitelist, which makes it easier for remote attackers to bypass the Content Security Policy (CSP) protection mechanism and conduct cross-site scripting (XSS) attacks via vectors involving SVG animations and the about:reader URL.

    References: https://ubuntu.com/security/CVE-2015-4518, https://www.mozilla.org/en-US/security/advisories/mfsa2015-118/, https://ubuntu.com/security/notices/USN-2785-1, https://www.cve.org/CVERecord?id=CVE-2015-4518

    Affected packages

    Package

    Name: firefox

    Purl: pkg:deb/ubuntu/[email protected]+build2-0ubuntu0.14.04.1?arch=source&distro=trusty

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -42.0+build2-0ubuntu0.14.04.1

    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