{"id":"ALSA-2026:18039","summary":"Important: ruby 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.  \n\nSecurity Fix(es):  \n\n  * erb: ERB: Arbitrary code execution via deserialization bypass (CVE-2026-41316)\n\n\nFor 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.\n","modified":"2026-05-19T22:30:03.938976604Z","published":"2026-05-18T00:00:00Z","related":["CVE-2026-41316"],"references":[{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:18039"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-41316"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2461369"},{"type":"ADVISORY","url":"https://errata.almalinux.org/9/ALSA-2026-18039.html"}],"affected":[{"package":{"name":"ruby","ecosystem":"AlmaLinux:9","purl":"pkg:rpm/almalinux/ruby"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.0.7-166.el9_7"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2026:18039.json"}},{"package":{"name":"ruby-default-gems","ecosystem":"AlmaLinux:9","purl":"pkg:rpm/almalinux/ruby-default-gems"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.0.7-166.el9_7"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2026:18039.json"}},{"package":{"name":"ruby-devel","ecosystem":"AlmaLinux:9","purl":"pkg:rpm/almalinux/ruby-devel"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.0.7-166.el9_7"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2026:18039.json"}},{"package":{"name":"ruby-doc","ecosystem":"AlmaLinux:9","purl":"pkg:rpm/almalinux/ruby-doc"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.0.7-166.el9_7"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2026:18039.json"}},{"package":{"name":"ruby-libs","ecosystem":"AlmaLinux:9","purl":"pkg:rpm/almalinux/ruby-libs"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.0.7-166.el9_7"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2026:18039.json"}},{"package":{"name":"rubygem-bigdecimal","ecosystem":"AlmaLinux:9","purl":"pkg:rpm/almalinux/rubygem-bigdecimal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.0.0-166.el9_7"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2026:18039.json"}},{"package":{"name":"rubygem-bundler","ecosystem":"AlmaLinux:9","purl":"pkg:rpm/almalinux/rubygem-bundler"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.2.33-166.el9_7"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2026:18039.json"}},{"package":{"name":"rubygem-io-console","ecosystem":"AlmaLinux:9","purl":"pkg:rpm/almalinux/rubygem-io-console"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.5.7-166.el9_7"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2026:18039.json"}},{"package":{"name":"rubygem-irb","ecosystem":"AlmaLinux:9","purl":"pkg:rpm/almalinux/rubygem-irb"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.3.5-166.el9_7"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2026:18039.json"}},{"package":{"name":"rubygem-json","ecosystem":"AlmaLinux:9","purl":"pkg:rpm/almalinux/rubygem-json"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.5.1-166.el9_7"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2026:18039.json"}},{"package":{"name":"rubygem-minitest","ecosystem":"AlmaLinux:9","purl":"pkg:rpm/almalinux/rubygem-minitest"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.14.2-166.el9_7"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2026:18039.json"}},{"package":{"name":"rubygem-power_assert","ecosystem":"AlmaLinux:9","purl":"pkg:rpm/almalinux/rubygem-power_assert"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.2.1-166.el9_7"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2026:18039.json"}},{"package":{"name":"rubygem-psych","ecosystem":"AlmaLinux:9","purl":"pkg:rpm/almalinux/rubygem-psych"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.3.2-166.el9_7"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2026:18039.json"}},{"package":{"name":"rubygem-rake","ecosystem":"AlmaLinux:9","purl":"pkg:rpm/almalinux/rubygem-rake"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"13.0.3-166.el9_7"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2026:18039.json"}},{"package":{"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