UBUNTU-CVE-2018-12372

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    UBUNTU-CVE-2018-12372

    Published: 5 Jul 2018Last Modified: 22 Apr 2026
    Upstream:
    CVE-2018-12372
    Aliases:
    USN-3714-1

    Summary:

    Details: Decrypted S/MIME parts, when included in HTML crafted for an attack, can leak plaintext when included in a a HTML reply/forward. This vulnerability affects Thunderbird < 52.9.

    References: https://ubuntu.com/security/CVE-2018-12372, https://www.mozilla.org/en-US/security/advisories/mfsa2018-18/#CVE-2018-12372, https://ubuntu.com/security/notices/USN-3714-1, https://www.cve.org/CVERecord?id=CVE-2018-12372

    Affected packages

    Package

    Name: thunderbird

    Purl: pkg:deb/ubuntu/thunderbird@1:52.9.1+build3-0ubuntu0.14.04.1?arch=source&distro=trusty

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -1:52.9.1+build3-0ubuntu0.14.04.1

    Affected versions

    1:24.0+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