USN-4600-2

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    USN-4600-2

    Published: 27 Oct 2020Last Modified: 27 Apr 2026

    Summary: netty vulnerabilities

    Details: USN-4600-1 fixed multiple vunerabilities in Netty 3.9. This update provides the corresponding fixes for CVE-2019-20444, CVE-2019-20445 for Netty. Also it was discovered that Netty allow for unbounded memory allocation. A remote attacker could send a large stream to the Netty server causing it to crash (denial of service). (CVE-2020-11612) Original advisory details: It was discovered that Netty had HTTP request smuggling vulnerabilities. A remote attacker could used it to extract sensitive information. (CVE-2019-16869, CVE-2019-20444, CVE-2019-20445, CVE-2020-7238)

    References: https://ubuntu.com/security/notices/USN-4600-2, https://ubuntu.com/security/CVE-2019-20444, https://ubuntu.com/security/CVE-2019-20445, https://ubuntu.com/security/CVE-2020-11612

    Affected packages

    Package

    Name: netty

    Purl: pkg:deb/ubuntu/netty@1:4.1.7-4ubuntu0.1?arch=source&distro=bionic

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -1:4.1.7-4ubuntu0.1

    Affected versions

    1:4.1.7-4

    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
    USN-4600-2 | CVE-DB