In Ruby before 2.2.10, 2.3.x before 2.3.7, 2.4.x before 2.4.4, 2.5.x before 2.5.1, and 2.6.0-preview1, an attacker can pass a large HTTP request with a crafted header to WEBrick server or a crafted body to WEBrick server/handler and cause a denial of service (memory consumption).
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alpine Linux | — | Upgrade ruby | Apr 5, 2018 | Apr 3, 2018 |
| Amazon Linux Ami 2 | — | Upgrade rubygem-minitestUpgrade ruby-irbUpgrade rubygem-bigdecimalUpgrade rubygem-rakeUpgrade rubygems-develUpgrade rubygem-io-consoleUpgrade ruby-develUpgrade ruby-tcltkUpgrade rubygem-rdocUpgrade ruby-libsUpgrade ruby-docUpgrade ruby-debuginfoUpgrade rubygem-psychUpgrade rubygemsUpgrade rubygem-jsonUpgrade ruby | Apr 27, 2020 | Apr 3, 2018 |
| Amazon_linux | — | Upgrade ruby22Upgrade ruby20Upgrade ruby24Upgrade ruby23 | May 11, 2018 | Apr 3, 2018 |
| Apple Osx Ruby | — | Apply Apple macOS Security Update 2018-002 High SierraUpgrade macOS to the latest version | Oct 31, 2018 | Apr 3, 2018 |
| Centos_linux | — | Upgrade rubygem-rdocUpgrade rubygems-develUpgrade ruby-debuginfoUpgrade ruby-docUpgrade rubygemsUpgrade rubygem-psychUpgrade ruby-develUpgrade ruby-libsUpgrade rubygem-rakeUpgrade rubygem-io-consoleUpgrade ruby-irbUpgrade rubygem-minitestUpgrade rubygem-bigdecimalUpgrade ruby-tcltkUpgrade rubygem-jsonUpgrade ruby | Aug 28, 2019 | Apr 3, 2018 |
| Debian | — | Upgrade ruby1.8Upgrade ruby2.5Upgrade ruby1.9.1 | Aug 2, 2018 | Apr 3, 2018 |
| Freebsd | — | Upgrade ruby | Dec 10, 2025 | Mar 29, 2018 |
| Huawei Euleros 2_0_sp2 | — | Upgrade rubyUpgrade ruby-libsUpgrade ruby-irb | Jul 3, 2018 | Apr 3, 2018 |
| Huawei Euleros 2_0_sp3 | — | Upgrade ruby-irbUpgrade rubyUpgrade ruby-libs | Jul 3, 2018 | Apr 3, 2018 |
| Oracle Solaris | — | Upgrade runtime/ruby-23/ruby-tk to version 2.3.8-11.4.6.0.1.1.0 on Solaris 11.4Upgrade runtime/ruby-23 to version 2.3.8-11.4.6.0.1.1.0 on Solaris 11.4 | Feb 20, 2019 | Apr 3, 2018 |
| Oracle_linux | — | Upgrade rubygems-develUpgrade ruby-libsUpgrade rubygem-io-consoleUpgrade rubygem-bigdecimalUpgrade rubygem-psychUpgrade rubygem-rakeUpgrade ruby-docUpgrade ruby-irbUpgrade rubygem-rdocUpgrade rubygem-minitestUpgrade rubygem-jsonUpgrade ruby-tcltkUpgrade rubyUpgrade rubygemsUpgrade ruby-devel | Jul 21, 2020 | Mar 28, 2018 |
| Redhat_linux | — | Upgrade rubyUpgrade ruby-docUpgrade rubygemsUpgrade rubygem-rdocUpgrade ruby-libsUpgrade ruby-tcltkUpgrade rubygem-minitestUpgrade rubygem-jsonNo solution existsUpgrade ruby-develUpgrade rubygem-rakeUpgrade rubygems-develUpgrade ruby-irbUpgrade rubygem-bigdecimalUpgrade rubygem-io-consoleUpgrade ruby-debuginfoUpgrade rubygem-psych | Aug 7, 2019 | Apr 3, 2018 |
| Suse | — | Upgrade ruby2.5-doc-riUpgrade libruby2_1-2_1Upgrade libruby2_5-2_5Upgrade ruby2.5-stdlibUpgrade ruby2.5-docUpgrade ruby2.1-develUpgrade ruby2.5-devel-extraUpgrade ruby2.5-develUpgrade yast2-ruby-bindingsUpgrade ruby2.5Upgrade ruby2.1Upgrade ruby2.1-stdlibUpgrade ruby-bundled-gems-rpmhelper | Jul 22, 2019 | Apr 3, 2018 |
| Ubuntu | — | Upgrade libruby2.0Upgrade ruby2.3Upgrade libruby2.3Upgrade libruby1.9.1Upgrade ruby2.0Upgrade ruby1.9.1Upgrade ruby1.9.3 | Jun 22, 2018 | Apr 3, 2018 |
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