CVE-2018-5104

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    CVE-2018-5104

    Published: 11 Jun 2018Last Modified: 16 Apr 2026

    Summary:

    Details: A use-after-free vulnerability can occur during font face manipulation when a font face is freed while still in use, resulting in a potentially exploitable crash. This vulnerability affects Thunderbird < 52.6, Firefox ESR < 52.6, and Firefox < 58.

    References: http://www.securityfocus.com/bid/102783, http://www.securitytracker.com/id/1040270, https://access.redhat.com/errata/RHSA-2018:0122, https://lists.debian.org/debian-lts-announce/2018/01/msg00030.html, https://usn.ubuntu.com/3544-1/, https://www.debian.org/security/2018/dsa-4102, https://www.mozilla.org/security/advisories/mfsa2018-02/, https://access.redhat.com/errata/RHSA-2018:0262, https://lists.debian.org/debian-lts-announce/2018/01/msg00036.html, https://www.debian.org/security/2018/dsa-4096, https://www.mozilla.org/security/advisories/mfsa2018-03/, https://www.mozilla.org/security/advisories/mfsa2018-04/, https://bugzilla.mozilla.org/show_bug.cgi?id=1425000

    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