CVE-2016-9904

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    CVE-2016-9904

    Published: 11 Jun 2018Last Modified: 16 Apr 2026

    Summary:

    Details: An attacker could use a JavaScript Map/Set timing attack to determine whether an atom is used by another compartment/zone in specific contexts. This could be used to leak information, such as usernames embedded in JavaScript code, across websites. This vulnerability affects Firefox < 50.1, Firefox ESR < 45.6, and Thunderbird < 45.6.

    References: http://rhn.redhat.com/errata/RHSA-2016-2946.html, https://security.gentoo.org/glsa/201701-15, https://www.debian.org/security/2017/dsa-3757, https://www.mozilla.org/security/advisories/mfsa2016-95/, https://www.mozilla.org/security/advisories/mfsa2016-96/, http://www.securityfocus.com/bid/94885, http://www.securitytracker.com/id/1037461, https://www.mozilla.org/security/advisories/mfsa2016-94/, https://bugzilla.mozilla.org/show_bug.cgi?id=1317936

    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