UBUNTU-CVE-2019-11500

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    UBUNTU-CVE-2019-11500

    Published: 28 Aug 2019Last Modified: 22 Apr 2026
    Upstream:
    CVE-2019-11500
    Aliases:
    USN-4110-1
    USN-4110-2
    USN-4110-3

    Summary:

    Details: In Dovecot before 2.2.36.4 and 2.3.x before 2.3.7.2 (and Pigeonhole before 0.5.7.2), protocol processing can fail for quoted strings. This occurs because '\0' characters are mishandled, and can lead to out-of-bounds writes and remote code execution.

    References: https://ubuntu.com/security/CVE-2019-11500, https://ubuntu.com/security/notices/USN-4110-1, https://ubuntu.com/security/notices/USN-4110-2, https://ubuntu.com/security/notices/USN-4110-3, https://ubuntu.com/security/notices/USN-4110-4, https://www.cve.org/CVERecord?id=CVE-2019-11500

    Affected packages

    Package

    Name: dovecot

    Purl: pkg:deb/ubuntu/dovecot@1:2.2.9-1ubuntu2.6+esm1?arch=source&distro=trusty/esm

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -1:2.2.9-1ubuntu2.6+esm1

    Affected versions

    1:2.1.7-7ubuntu3

    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