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OpenAdvisories
High RLSA-2021:3020 4 CVEs

Important: ruby:2.7 security update

Published Aug 5, 2021 · Updated Feb 4, 2026

Summary

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.

Fixed packages 14

ReleasePackageFixed in
Rocky Linux · 8 ruby 0:2.7.4-137.module+el8.4.0+629+f8f0bf91
Rocky Linux · 8 rubygem-abrt 0:0.4.0-1.module+el8.5.0+668+665814fa
Rocky Linux · 8 rubygem-abrt 0:0.4.0-1.module+el8.4.0+411+b946f28c
Rocky Linux · 8 rubygem-abrt 0:0.4.0-1.module+el8.4.0+594+11b6673a
Rocky Linux · 8 rubygem-bson 0:4.8.1-1.module+el8.4.0+594+11b6673a
Rocky Linux · 8 rubygem-bson 0:4.8.1-1.module+el8.4.0+411+b946f28c
Rocky Linux · 8 rubygem-mongo 0:2.11.3-1.module+el8.4.0+594+11b6673a
Rocky Linux · 8 rubygem-mongo 0:2.11.3-1.module+el8.4.0+411+b946f28c
Rocky Linux · 8 rubygem-mysql2 0:0.5.3-1.module+el8.5.0+668+665814fa
Rocky Linux · 8 rubygem-mysql2 0:0.5.3-1.module+el8.4.0+411+b946f28c
Rocky Linux · 8 rubygem-mysql2 0:0.5.3-1.module+el8.4.0+594+11b6673a
Rocky Linux · 8 rubygem-pg 0:1.2.3-1.module+el8.5.0+668+665814fa
Rocky Linux · 8 rubygem-pg 0:1.2.3-1.module+el8.4.0+411+b946f28c
Rocky Linux · 8 rubygem-pg 0:1.2.3-1.module+el8.4.0+594+11b6673a

Vulnerabilities 4

References

  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=1958999
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=1980126
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=1980128
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=1980132