UBUNTU-CVE-2018-1336

    Dashboard / Vulnerabilities / UBUNTU-CVE-2018-1336

    UBUNTU-CVE-2018-1336

    Published: 24 Jul 2018Last Modified: 4 Feb 2026

    Summary:

    Details: An improper handing of overflow in the UTF-8 decoder with supplementary characters can lead to an infinite loop in the decoder causing a Denial of Service. Versions Affected: Apache Tomcat 9.0.0.M9 to 9.0.7, 8.5.0 to 8.5.30, 8.0.0.RC1 to 8.0.51, and 7.0.28 to 7.0.86.

    Affected packages

    Package

    Name: tomcat7

    Purl: pkg:deb/ubuntu/[email protected]?arch=source&distro=trusty

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -7.0.52-1ubuntu0.15

    Affected versions

    7.0.42-1
    7.0.47-1
    7.0.50-1
    7.0.52-1
    7.0.52-1ubuntu0.1
    7.0.52-1ubuntu0.3
    7.0.52-1ubuntu0.6
    7.0.52-1ubuntu0.7
    7.0.52-1ubuntu0.8
    7.0.52-1ubuntu0.9
    7.0.52-1ubuntu0.10
    7.0.52-1ubuntu0.11
    7.0.52-1ubuntu0.13
    7.0.52-1ubuntu0.14

    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