{"id":"RLSA-2026:6391","summary":"Moderate: mysql:8.4 security update","details":"MySQL is a multi-user, multi-threaded SQL database server. It consists of the MySQL server daemon (mysqld) and many client programs and libraries.\n\nSecurity Fix(es):\n\n* mysql: Optimizer unspecified vulnerability (CPU Jan 2026) (CVE-2026-21941)\n\n* mysql: Optimizer unspecified vulnerability (CPU Jan 2026) (CVE-2026-21948)\n\n* mysql: InnoDB unspecified vulnerability (CPU Jan 2026) (CVE-2026-21936)\n\n* mysql: Optimizer unspecified vulnerability (CPU Jan 2026) (CVE-2026-21968)\n\n* mysql: DDL unspecified vulnerability (CPU Jan 2026) (CVE-2026-21937)\n\n* mysql: Thread Pooling unspecified vulnerability (CPU Jan 2026) (CVE-2026-21964)\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.","modified":"2026-04-02T00:30:06.854116Z","published":"2026-04-02T00:01:11.507303Z","upstream":["CVE-2026-21936","CVE-2026-21937","CVE-2026-21941","CVE-2026-21948","CVE-2026-21964","CVE-2026-21968"],"references":[{"type":"ADVISORY","url":"https://errata.rockylinux.org/RLSA-2026:6391"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2431384"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2431385"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2431402"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2431409"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2431413"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2431431"}],"affected":[{"package":{"name":"mecab","ecosystem":"Rocky Linux:8","purl":"pkg:rpm/rocky-linux/mecab?distro=rocky-linux-8&epoch=0"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:0.996-2.module+el8.10.0+1937+28fbbc83"}],"database_specific":{"yum_repository":"AppStream"}}],"database_specific":{"source":"https://storage.googleapis.com/resf-osv-data/RLSA-2026:6391.json"}},{"package":{"name":"mecab","ecosystem":"Rocky Linux:8","purl":"pkg:rpm/rocky-linux/mecab?distro=rocky-linux-8&epoch=0"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:0.996-2.module+el8.10.0+1676+9b4b6e24"}],"database_specific":{"yum_repository":"AppStream"}}],"database_specific":{"source":"https://storage.googleapis.com/resf-osv-data/RLSA-2026:6391.json"}},{"package":{"name":"mecab","ecosystem":"Rocky Linux:8","purl":"pkg:rpm/rocky-linux/mecab?distro=rocky-linux-8&epoch=0"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:0.996-2.module+el8.10.0+2091+db4d14f6"}],"database_specific":{"yum_repository":"AppStream"}}],"database_specific":{"source":"https://storage.googleapis.com/resf-osv-data/RLSA-2026:6391.json"}},{"package":{"name":"mecab-ipadic","ecosystem":"Rocky Linux:8","purl":"pkg:rpm/rocky-linux/mecab-ipadic?distro=rocky-linux-8&epoch=0"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2.7.0.20070801-17.module+el8.10.0+1937+28fbbc83"}],"database_specific":{"yum_repository":"AppStream"}}],"database_specific":{"source":"https://storage.googleapis.com/resf-osv-data/RLSA-2026:6391.json"}},{"package":{"name":"mecab-ipadic","ecosystem":"Rocky Linux:8","purl":"pkg:rpm/rocky-linux/mecab-ipadic?distro=rocky-linux-8&epoch=0"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2.7.0.20070801-17.module+el8.10.0+2091+db4d14f6"}],"database_specific":{"yum_repository":"AppStream"}}],"database_specific":{"source":"https://storage.googleapis.com/resf-osv-data/RLSA-2026:6391.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"}],"credits":[{"name":"Rocky Enterprise Software Foundation"},{"name":"Red Hat"}]}