UBUNTU-CVE-2023-28755

    Dashboard / Vulnerabilities / UBUNTU-CVE-2023-28755

    UBUNTU-CVE-2023-28755

    Published: 31 Mar 2023Last Modified: 20 May 2026
    Upstream:
    CVE-2023-28755
    Aliases:
    USN-6055-1
    USN-6055-2
    USN-6087-1

    Summary:

    Details: A ReDoS issue was discovered in the URI component through 0.12.0 in Ruby through 3.2.1. The URI parser mishandles invalid URLs that have specific characters. It causes an increase in execution time for parsing strings to URI objects. The fixed versions are 0.12.1, 0.11.1, 0.10.2 and 0.10.0.1.

    References: https://ubuntu.com/security/CVE-2023-28755, https://www.ruby-lang.org/en/news/2023/03/28/redos-in-uri-cve-2023-28755/, https://github.com/ruby/uri/releases/, https://www.ruby-lang.org/en/news/2022/12/25/ruby-3-2-0-released/, https://www.ruby-lang.org/en/downloads/releases/, https://github.com/ruby/ruby/commit/8ce4ab146498879b65e22f1be951b25eebb79300, https://ubuntu.com/security/notices/USN-6055-1, https://ubuntu.com/security/notices/USN-6055-2, https://ubuntu.com/security/notices/USN-6087-1, https://ubuntu.com/security/notices/USN-6181-1, https://ubuntu.com/security/notices/USN-6219-1, https://www.cve.org/CVERecord?id=CVE-2023-28755, https://ubuntu.com/security/notices/USN-7735-1

    Affected packages

    Package

    Name: ruby2.3

    Purl: pkg:deb/ubuntu/ruby2.3?arch=source&distro=esm-infra%2Fxenial

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -2.3.1-2~ubuntu16.04.16+esm7

    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
    2.3.1-2~ubuntu16.04.15
    2.3.1-2~ubuntu16.04.16
    2.3.1-2~ubuntu16.04.16+esm1
    2.3.1-2~ubuntu16.04.16+esm2
    2.3.1-2~ubuntu16.04.16+esm3
    2.3.1-2~ubuntu16.04.16+esm4
    2.3.1-2~ubuntu16.04.16+esm5
    2.3.1-2~ubuntu16.04.16+esm6

    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
    UBUNTU-CVE-2023-28755 | CVE-DB