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An issue was discovered in Ruby through 2.6.7, 2.7.x through 2.7.3, and 3.x through 3.0.1. Net::IMAP does not raise an exception when StartTLS fails with an an unknown response, which might allow man-in-the-middle attackers to bypass the TLS protections by leveraging a network position between the client and the registry to block the StartTLS command, aka a "StartTLS stripping attack."
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alma_linux | — | Upgrade ruby-develUpgrade rubygem-net-telnetUpgrade rubygem-minitestUpgrade rubygem-pg-docUpgrade rubygem-rakeUpgrade ruby-irbUpgrade rubygem-mysql2-docUpgrade rubygem-power_assertUpgrade ruby-default-gemsUpgrade rubygems-develUpgrade rubygem-io-consoleUpgrade rubygem-mongoUpgrade rubygem-bson-docUpgrade rubygem-mysql2Upgrade rubygem-bsonUpgrade rubyUpgrade rubygem-jsonUpgrade rubygem-bigdecimalUpgrade rubygem-bundlerUpgrade rubygem-bundler-docUpgrade rubygem-rdocUpgrade rubygem-pgUpgrade ruby-docUpgrade rubygem-abrt-docUpgrade rubygemsUpgrade rubygem-did_you_meanUpgrade rubygem-mongo-docUpgrade rubygem-opensslUpgrade ruby-libsUpgrade rubygem-irbUpgrade rubygem-psychUpgrade rubygem-abrtUpgrade rubygem-xmlrpcUpgrade rubygem-test-unit | May 4, 2022 | Aug 1, 2021 |
| Alpine Linux | — | Upgrade ruby | Mar 26, 2024 | Aug 1, 2021 |
| Amazon Linux Ami 2 | — | Upgrade rubygem-net-telnetUpgrade rubygem-bigdecimalUpgrade rubygem-io-consoleUpgrade rubygemsUpgrade ruby-libsUpgrade rubygem-psychUpgrade ruby-debuginfoUpgrade rubygem-xmlrpcUpgrade ruby-tcltkUpgrade rubygem-minitestUpgrade rubygems-develUpgrade rubygem-power_assertUpgrade rubygem-typeprofUpgrade rubygem-test-unitUpgrade rubygem-opensslUpgrade rubygem-rakeUpgrade ruby-docUpgrade rubygem-jsonUpgrade rubygem-rbsUpgrade rubygem-did_you_meanUpgrade rubygem-rssUpgrade rubyUpgrade ruby-irbUpgrade rubygem-bundlerUpgrade rubygem-irbUpgrade rubygem-rexmlUpgrade ruby-default-gemsUpgrade rubygem-rdocUpgrade ruby-devel | Sep 28, 2023 | Aug 1, 2021 |
| Arch Linux | — | Upgrade to the latest version of Arch Linux | Jul 11, 2025 | Aug 1, 2021 |
| Centos_linux | — | Upgrade rubygem-mongo-docUpgrade ruby-irbUpgrade rubygem-pg-debuginfoUpgrade rubygem-rakeUpgrade ruby-docUpgrade ruby-debugsourceUpgrade ruby-libsUpgrade rubygem-bson-debuginfoUpgrade rubygem-bigdecimalUpgrade ruby-develUpgrade rubygems-develUpgrade rubygem-did_you_meanUpgrade rubygem-jsonUpgrade rubygem-json-debuginfoUpgrade rubygem-mysql2-debugsourceUpgrade rubygem-mysql2Upgrade rubygem-bson-debugsourceUpgrade rubygem-mysql2-debuginfoUpgrade rubygem-bigdecimal-debuginfoUpgrade rubygem-openssl-debuginfoUpgrade rubygem-io-consoleUpgrade rubygem-pg-docUpgrade ruby-default-gemsUpgrade rubygem-psych-debuginfoUpgrade rubygem-irbUpgrade rubyUpgrade rubygem-bsonUpgrade rubygem-minitestUpgrade rubygem-net-telnetUpgrade rubygemsUpgrade rubygem-mongoUpgrade ruby-debuginfoUpgrade rubygem-xmlrpcUpgrade rubygem-pgUpgrade rubygem-pg-debugsourceUpgrade rubygem-bson-docUpgrade rubygem-abrt-docUpgrade rubygem-bundlerUpgrade rubygem-opensslUpgrade rubygem-power_assertUpgrade rubygem-test-unitUpgrade rubygem-bundler-docUpgrade rubygem-psychUpgrade rubygem-io-console-debuginfoUpgrade rubygem-rdocUpgrade ruby-libs-debuginfoUpgrade rubygem-mysql2-docUpgrade rubygem-abrt | Aug 6, 2021 | Aug 1, 2021 |
| Debian | — | Upgrade ruby2.7Upgrade jruby | Nov 29, 2021 | Aug 1, 2021 |
| Freebsd | — | Upgrade ruby26Upgrade ruby30Upgrade ruby | Nov 4, 2022 | Jul 14, 2021 |
| Gentoo Linux | — | Upgrade dev-lang/ruby. | Jan 25, 2024 | Aug 1, 2021 |
| Huawei Euleros 2_0_sp3 | — | Upgrade ruby-irbUpgrade rubyUpgrade ruby-libs | Oct 26, 2021 | Aug 1, 2021 |
| Huawei Euleros 2_0_sp5 | — | Upgrade ruby-libsUpgrade ruby-irbUpgrade ruby | Nov 12, 2021 | Aug 1, 2021 |
| Huawei Euleros 2_0_sp8 | — | Upgrade ruby-libsUpgrade rubyUpgrade ruby-irb | Sep 24, 2021 | Aug 1, 2021 |
| Huawei Euleros 2_0_sp9 | — | Upgrade ruby-irbUpgrade ruby-helpUpgrade ruby | Nov 12, 2021 | Aug 1, 2021 |
| Oracle Solaris | — | Upgrade runtime/ruby-26 to version 2.6.8-11.4.37.0.1.101.1 on Solaris 11.4Upgrade runtime/ruby-25 to version 2.5.9-11.4.37.0.1.101.1 on Solaris 11.4 | Oct 12, 2021 | Aug 1, 2021 |
| Oracle_linux | — | Upgrade ruby-libsUpgrade rubygem-io-consoleUpgrade rubygem-mongo-docUpgrade rubygem-did_you_meanUpgrade rubygem-mysql2Upgrade ruby-irbUpgrade rubygem-bigdecimalUpgrade rubygem-pg-docUpgrade rubygem-rakeUpgrade rubygem-bson-docUpgrade rubygem-jsonUpgrade ruby-docUpgrade rubyUpgrade rubygem-bundlerUpgrade rubygem-xmlrpcUpgrade rubygem-test-unitUpgrade rubygemsUpgrade rubygem-abrtUpgrade rubygem-minitestUpgrade rubygems-develUpgrade rubygem-irbUpgrade rubygem-bundler-docUpgrade rubygem-opensslUpgrade ruby-develUpgrade rubygem-bsonUpgrade rubygem-power_assertUpgrade rubygem-abrt-docUpgrade rubygem-mysql2-docUpgrade rubygem-rdocUpgrade rubygem-psychUpgrade rubygem-pgUpgrade rubygem-net-telnetUpgrade rubygem-mongoUpgrade ruby-default-gems | Aug 7, 2021 | Jul 7, 2021 |
| Redhat_linux | — | Upgrade rubygem-pg-debuginfoUpgrade rubygem-io-consoleUpgrade rubygem-jsonUpgrade rubygem-mysql2-debugsourceUpgrade rubygem-bigdecimal-debuginfoUpgrade rubygem-rakeUpgrade ruby-debuginfoUpgrade rubygem-openssl-debuginfoUpgrade rubygem-json-debuginfoUpgrade rubygem-pg-docUpgrade ruby-libsUpgrade rubygem-bson-debuginfoUpgrade ruby-debugsourceUpgrade rubygem-bson-debugsourceUpgrade rubygem-bigdecimalUpgrade rubygem-mongo-docUpgrade ruby-docUpgrade rubygems-develUpgrade rubygem-did_you_meanUpgrade ruby-irbUpgrade rubygem-bson-docUpgrade rubygem-pgUpgrade rubygem-irbUpgrade ruby-develUpgrade rubygem-mysql2-debuginfoUpgrade rubygem-net-telnetUpgrade rubygem-bundlerUpgrade rubygem-abrtUpgrade ruby-libs-debuginfoUpgrade rubygem-bsonUpgrade rubygem-psychUpgrade rubygem-test-unitNo solution existsUpgrade rubygem-psych-debuginfoUpgrade rubygem-pg-debugsourceUpgrade rubygem-bundler-docUpgrade rubygem-mysql2Upgrade rubygem-rdocUpgrade rubygemsUpgrade rubygem-mongoUpgrade rubygem-xmlrpcUpgrade rubygem-io-console-debuginfoUpgrade rubygem-minitestUpgrade rubygem-abrt-docUpgrade ruby-default-gemsUpgrade rubygem-mysql2-docUpgrade rubygem-power_assertUpgrade rubyUpgrade rubygem-openssl | Aug 6, 2021 | Aug 1, 2021 |
| Rocky_linux | — | Upgrade rubygem-bsonUpgrade rubygem-psychUpgrade rubygem-psych-debuginfoUpgrade rubygem-io-consoleUpgrade rubygem-json-debuginfoUpgrade ruby-debuginfoUpgrade rubygem-mysql2-debugsourceUpgrade rubygem-mysql2-debuginfoUpgrade rubygem-bigdecimalUpgrade ruby-develUpgrade rubygem-jsonUpgrade rubyUpgrade rubygem-bigdecimal-debuginfoUpgrade ruby-libs-debuginfoUpgrade rubygem-openssl-debuginfoUpgrade rubygem-opensslUpgrade ruby-libsUpgrade ruby-debugsourceUpgrade rubygem-bson-debugsourceUpgrade rubygem-bson-debuginfoUpgrade rubygem-pg-debuginfoUpgrade rubygem-io-console-debuginfoUpgrade rubygem-pgUpgrade rubygem-pg-debugsourceUpgrade rubygem-mysql2 | Mar 5, 2024 | Aug 1, 2021 |
| Suse | — | Upgrade ruby2.5-stdlibUpgrade ruby2.5Upgrade ruby2.5-develUpgrade ruby2.1-stdlibUpgrade ruby2.5-devel-extraUpgrade ruby2.1Upgrade libruby2_1-2_1Upgrade libruby2_5-2_5Upgrade ruby2.1-develUpgrade ruby2.5-doc-riUpgrade ruby2.5-doc | Dec 2, 2021 | Jul 21, 2021 |
| Ubuntu | — | Upgrade libruby2.7Upgrade libruby2.5Upgrade libruby2.3 (Ubuntu Pro)Upgrade ruby2.3 (Ubuntu Pro)Upgrade ruby2.7Upgrade ruby2.5 | Jul 22, 2021 | Jul 21, 2021 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Jan 20, 2025 | Aug 1, 2021 |
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