ALSA-2023:3821

    Dashboard / Vulnerabilities / ALSA-2023:3821

    ALSA-2023:3821

    Published: 27 Jun 2023Last Modified: 4 Feb 2026

    Summary: Moderate: ruby:2.7 security, bug fix, and enhancement update

    Details: Ruby is an extensible, interpreted, object-oriented, scripting language. It has features to process text files and to perform system management tasks. The following packages have been upgraded to a later upstream version: ruby (2.7). (BZ#2189465) Security Fix(es): * ruby/cgi-gem: HTTP response splitting in CGI (CVE-2021-33621) * ruby: ReDoS vulnerability in URI (CVE-2023-28755) * ruby: ReDoS vulnerability in Time (CVE-2023-28756) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

    References: https://access.redhat.com/errata/RHSA-2023:3821, https://access.redhat.com/security/cve/CVE-2021-33621, https://access.redhat.com/security/cve/CVE-2023-28755, https://access.redhat.com/security/cve/CVE-2023-28756, https://bugzilla.redhat.com/2149706, https://bugzilla.redhat.com/2184059, https://bugzilla.redhat.com/2184061, https://errata.almalinux.org/8/ALSA-2023-3821.html

    Affected packages

    Package

    Name: ruby

    Purl: pkg:rpm/almalinux/ruby

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -2.7.8-139.module_el8.8.0+3578+2b4b06da

    Affected versions

    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
    ALSA-2023:3821 | CVE-DB