CVE-2018-5178

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    CVE-2018-5178

    Published: 11 Jun 2018Last Modified: 16 Apr 2026

    Summary:

    Details: A buffer overflow was found during UTF8 to Unicode string conversion within JavaScript with extremely large amounts of data. This vulnerability requires the use of a malicious or vulnerable legacy extension in order to occur. This vulnerability affects Thunderbird ESR < 52.8, Thunderbird < 52.8, and Firefox ESR < 52.8.

    References: https://usn.ubuntu.com/3660-1/, https://access.redhat.com/errata/RHSA-2018:1414, https://lists.debian.org/debian-lts-announce/2018/05/msg00007.html, http://www.securitytracker.com/id/1040898, https://access.redhat.com/errata/RHSA-2018:1725, https://access.redhat.com/errata/RHSA-2018:1726, https://www.mozilla.org/security/advisories/mfsa2018-12/, https://www.debian.org/security/2018/dsa-4199, https://www.debian.org/security/2018/dsa-4209, http://www.securityfocus.com/bid/104138, https://access.redhat.com/errata/RHSA-2018:1415, https://lists.debian.org/debian-lts-announce/2018/05/msg00013.html, https://security.gentoo.org/glsa/201810-01, https://security.gentoo.org/glsa/201811-13, https://www.mozilla.org/security/advisories/mfsa2018-13/, https://bugzilla.mozilla.org/show_bug.cgi?id=1443891

    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