{"id":"CLSA-2026-1786470325","summary":"ruby: Fix of CVE-2026-27820","details":"- CVE-2026-27820: fix buffer overflow in Zlib::GzipReader#ungetc\n- Skip unresolvable GIDs in TestProcess#test_execopts_gid (build env workaround)","modified":"2026-10-26T09:31:42.607078284Z","published":"2026-08-13T12:42:16Z","upstream":["CVE-2026-27820"],"references":[{"type":"ADVISORY","url":"https://errata.tuxcare.com/els_os/centos7els/CLSA-2026-1786470325.html"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-27820"}],"affected":[{"package":{"name":"ruby","ecosystem":"TuxCare:CentOS:7","purl":"pkg:rpm/tuxcare/ruby?distro=centos-7"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.0.0.648-39.el7_9.tuxcare.els13"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos7els/CLSA-2026-1786470325.json"}},{"package":{"name":"ruby-devel","ecosystem":"TuxCare:CentOS:7","purl":"pkg:rpm/tuxcare/ruby-devel?distro=centos-7"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.0.0.648-39.el7_9.tuxcare.els13"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos7els/CLSA-2026-1786470325.json"}},{"package":{"name":"ruby-doc","ecosystem":"TuxCare:CentOS:7","purl":"pkg:rpm/tuxcare/ruby-doc?distro=centos-7"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.0.0.648-39.el7_9.tuxcare.els13"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos7els/CLSA-2026-1786470325.json"}},{"package":{"name":"ruby-irb","ecosystem":"TuxCare:CentOS:7","purl":"pkg:rpm/tuxcare/ruby-irb?distro=centos-7"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.0.0.648-39.el7_9.tuxcare.els13"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos7els/CLSA-2026-1786470325.json"}},{"package":{"name":"ruby-libs","ecosystem":"TuxCare:CentOS:7","purl":"pkg:rpm/tuxcare/ruby-libs?distro=centos-7"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.0.0.648-39.el7_9.tuxcare.els13"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos7els/CLSA-2026-1786470325.json"}},{"package":{"name":"ruby-tcltk","ecosystem":"TuxCare:CentOS:7","purl":"pkg:rpm/tuxcare/ruby-tcltk?distro=centos-7"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.0.0.648-39.el7_9.tuxcare.els13"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos7els/CLSA-2026-1786470325.json"}},{"package":{"name":"rubygem-bigdecimal","ecosystem":"TuxCare:CentOS:7","purl":"pkg:rpm/tuxcare/rubygem-bigdecimal?distro=centos-7"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.2.0-39.el7_9.tuxcare.els13"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos7els/CLSA-2026-1786470325.json"}},{"package":{"name":"rubygem-io-console","ecosystem":"TuxCare:CentOS:7","purl":"pkg:rpm/tuxcare/rubygem-io-console?distro=centos-7"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.4.2-39.el7_9.tuxcare.els13"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos7els/CLSA-2026-1786470325.json"}},{"package":{"name":"rubygem-json","ecosystem":"TuxCare:CentOS:7","purl":"pkg:rpm/tuxcare/rubygem-json?distro=centos-7"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.7.7-39.el7_9.tuxcare.els13"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos7els/CLSA-2026-1786470325.json"}},{"package":{"name":"rubygem-minitest","ecosystem":"TuxCare:CentOS:7","purl":"pkg:rpm/tuxcare/rubygem-minitest?distro=centos-7"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.3.2-39.el7_9.tuxcare.els13"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos7els/CLSA-2026-1786470325.json"}},{"package":{"name":"rubygem-psych","ecosystem":"TuxCare:CentOS:7","purl":"pkg:rpm/tuxcare/rubygem-psych?distro=centos-7"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.0.0-39.el7_9.tuxcare.els13"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos7els/CLSA-2026-1786470325.json"}},{"package":{"name":"rubygem-rake","ecosystem":"TuxCare:CentOS:7","purl":"pkg:rpm/tuxcare/rubygem-rake?distro=centos-7"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.9.6-39.el7_9.tuxcare.els13"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos7els/CLSA-2026-1786470325.json"}},{"package":{"name":"rubygem-rdoc","ecosystem":"TuxCare:CentOS:7","purl":"pkg:rpm/tuxcare/rubygem-rdoc?distro=centos-7"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.0.0-39.el7_9.tuxcare.els13"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos7els/CLSA-2026-1786470325.json"}},{"package":{"name":"rubygems","ecosystem":"TuxCare:CentOS:7","purl":"pkg:rpm/tuxcare/rubygems?distro=centos-7"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.0.14.1-39.el7_9.tuxcare.els13"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos7els/CLSA-2026-1786470325.json"}},{"package":{"name":"rubygems-devel","ecosystem":"TuxCare:CentOS:7","purl":"pkg:rpm/tuxcare/rubygems-devel?distro=centos-7"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.0.14.1-39.el7_9.tuxcare.els13"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos7els/CLSA-2026-1786470325.json"}}],"schema_version":"1.9.0"}