USN-4882-1

    Dashboard / Vulnerabilities / USN-4882-1

    USN-4882-1

    Published: 18 Mar 2021Last Modified: 27 Apr 2026

    Summary: ruby2.3, ruby2.5, ruby2.7 vulnerabilities

    Details: It was discovered that the Ruby JSON gem incorrectly handled certain JSON files. If a user or automated system were tricked into parsing a specially crafted JSON file, a remote attacker could use this issue to execute arbitrary code. This issue only affected Ubuntu 16.04 LTS and Ubuntu 18.04 LTS. (CVE-2020-10663) It was discovered that Ruby incorrectly handled certain socket memory operations. A remote attacker could possibly use this issue to obtain sensitive information. This issue only affected Ubuntu 18.04 LTS and Ubuntu 20.04 LTS. (CVE-2020-10933) It was discovered that Ruby incorrectly handled certain transfer-encoding headers when using Webrick. A remote attacker could possibly use this issue to bypass a reverse proxy. (CVE-2020-25613)

    References: https://ubuntu.com/security/notices/USN-4882-1, https://ubuntu.com/security/CVE-2020-10663, https://ubuntu.com/security/CVE-2020-10933, https://ubuntu.com/security/CVE-2020-25613

    Affected packages

    Package

    Name: ruby2.3

    Purl: pkg:deb/ubuntu/[email protected]~ubuntu16.04.15?arch=source&distro=xenial

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -2.3.1-2~ubuntu16.04.15

    Affected versions

    2.3.0-1
    2.3.0-2
    2.3.0-4ubuntu2
    2.3.0-4ubuntu3
    2.3.0-5ubuntu1
    2.3.1-2~16.04
    2.3.1-2~16.04.2
    2.3.1-2~16.04.4
    2.3.1-2~16.04.5
    2.3.1-2~16.04.6
    2.3.1-2~16.04.7
    2.3.1-2~16.04.9
    2.3.1-2~16.04.10
    2.3.1-2~16.04.11
    2.3.1-2~16.04.12
    2.3.1-2~ubuntu16.04.13
    2.3.1-2~ubuntu16.04.14

    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
    USN-4882-1 | CVE-DB