RLSA-2021:3020

    Dashboard / Vulnerabilities / RLSA-2021:3020

    RLSA-2021:3020

    Published: 5 Aug 2021Last Modified: 4 Feb 2026

    Summary: Important: ruby:2.7 security update

    Details: Ruby is an extensible, interpreted, object-oriented, scripting language. It has features to process text files and to perform system management tasks. Security Fix(es): * rubygem-bundler: Dependencies of gems with explicit source may be installed from a different source (CVE-2020-36327) * rubygem-rdoc: Command injection vulnerability in RDoc (CVE-2021-31799) * ruby: FTP PASV command response can cause Net::FTP to connect to arbitrary host (CVE-2021-31810) * ruby: StartTLS stripping vulnerability in Net::IMAP (CVE-2021-32066) 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://errata.rockylinux.org/RLSA-2021:3020, https://bugzilla.redhat.com/show_bug.cgi?id=1958999, https://bugzilla.redhat.com/show_bug.cgi?id=1980126, https://bugzilla.redhat.com/show_bug.cgi?id=1980128, https://bugzilla.redhat.com/show_bug.cgi?id=1980132

    Affected packages

    Package

    Name: ruby

    Purl: pkg:rpm/rocky-linux/ruby?distro=rocky-linux-8-4-legacy&epoch=0

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -0:2.7.4-137.module+el8.4.0+629+f8f0bf91

    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
    RLSA-2021:3020 | CVE-DB