Red Hat Product Errata RHSA-2026:33464 - Security Advisory Issued: 2026-06-30 Updated: 2026-06-30 RHSA-2026:33464 - Security Advisory Overview Updated Packages Synopsis Important: mariadb:10.11 security, bug fix, and enhancement update Type/Severity Security Advisory: Important Red Hat Lightspeed patch analysis Identify and remediate systems affected by this advisory. View affected systems Topic An update for the mariadb:10.11 module is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section. Description MariaDB is a multi-user, multi-threaded SQL database server that is binary compatible with MySQL. Security Fix(es): mariadb: MariaDB Server: Arbitrary code execution via wsrep_notify_cmd (CVE-2026-49261) Bug Fix(es) and Enhancement(s): [RHEL8][tracker] Rebase Galera to 26.4.27 MariaDB:10.11 (JIRA:RHEL-145347) Rebase MariaDB 10.11 to 10.11.18 in RHEL8 (JIRA:RHEL-183088) For 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. Solution For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 Affected Products Red Hat Enterprise Linux for x86_64 8 x86_64 Red Hat Enterprise Linux for IBM z Systems 8 s390x Red Hat Enterprise Linux for Power, little endian 8 ppc64le Red Hat Enterprise Linux for ARM 64 8 aarch64 Red Hat Enterprise Linux for x86_64 - Extended Life Cycle 8.10 x86_64 Red Hat Enterprise Linux for ARM 64 - Extended Life Cycle 8.10 aarch64 Red Hat Enterprise Linux for Power, little endian - Extended Life Cycle 8.10 ppc64le Red Hat Enterprise Linux for IBM z Systems - Extended Life Cycle 8.10 s390x Fixes BZ - 2487957 - CVE-2026-49261 mariadb: MariaDB Server: Arbitrary code execution via wsrep_notify_cmd RHEL-145347 - [RHEL8][tracker] Rebase Galera to 26.4.27 MariaDB:10.11 RHEL-183088 - Rebase MariaDB 10.11 to 10.11.18 in RHEL8 CVEs CVE-2026-49261 References https://access.redhat.com/security/updates/classification/#important Note: More recent versions of these packages may be available. Click a package name for more details. Red Hat Enterprise Linux for x86_64 8 SRPM Judy-1.0.5-18.module+el8.10.0+21221+7bee72c1.src.rpm SHA-256: f1cfcd7b006370468a1644c26314d1e504d527e28333384153230e3c8c976e10 galera-26.4.27-1.module+el8.10.0+24403+8b846dba.src.rpm SHA-256: 2c668791785e11df24f189a9f39e8107059e5012ccad705e3c50e94ec97cacee mariadb-10.11.18-1.module+el8.10.0+24403+8b846dba.src.rpm SHA-256: dd71a99aebcb304298983e906b3d8fd336b4a87ec1e6e86a714a3e4b24937151 x86_64 Judy-1.0.5-18.module+el8.10.0+21221+7bee72c1.x86_64.rpm SHA-256: 851fde45f8ec0e946ef26ceb2f1ce7713d062ce061343e1a51af89ad78a931e5 Judy-debuginfo-1.0.5-18.module+el8.10.0+21221+7bee72c1.x86_64.rpm SHA-256: 6af2106b2ed8d6689fd60deaac6968a174858afecb5b4355ff0553469a009e87 Judy-debugsource-1.0.5-18.module+el8.10.0+21221+7bee72c1.x86_64.rpm SHA-256: 34880764e0f0d964097066024fe5ae62abd606244bab45c9273b3d58dc8532a9 galera-26.4.27-1.module+el8.10.0+24403+8b846dba.x86_64.rpm SHA-256: 87625f085691a8fb6a818f34dc3fbce40c9741f5e5900184ef405bc520df6001 galera-debuginfo-26.4.27-1.module+el8.10.0+24403+8b846dba.x86_64.rpm SHA-256: de518eb8704609d99d981e03eb29a8edf07ce33877817a8eadcc5f139e444ccd galera-debugsource-26.4.27-1.module+el8.10.0+24403+8b846dba.x86_64.rpm SHA-256: 8a9d2bd9260f269c551314e45167ea2a1c31f5a5f7cc6e638d7431a43b80759f mariadb-10.11.18-1.module+el8.10.0+24403+8b846dba.x86_64.rpm SHA-256: 2b849c8879a27fadfb520618d6dd57ea069e8e610a6ec95b7c71b7e0cc6d0b73 mariadb-backup-10.11.18-1.module+el8.10.0+24403+8b846dba.x86_64.rpm SHA-256: 4efe9d99fe0f78710aaa5d5e1169adc97fbe70f9c2c745301b20be9fccf86a10 mariadb-backup-debuginfo-10.11.18-1.module+el8.10.0+24403+8b846dba.x86_64.rpm SHA-256: c472466eba92155048823c0e6e7811af2ce44c48625b3c54066de8a9f12cb801 mariadb-common-10.11.18-1.module+el8.10.0+24403+8b846dba.x86_64.rpm SHA-256: 017b4a5234a95a0231aaccbede70ae4359241c2fef88c82583f2d2ab43615374 mariadb-debuginfo-10.11.18-1.module+el8.10.0+24403+8b846dba.x86_64.rpm SHA-256: 77fd8feeb1df8df4512736c3e5a5fde491c2f448e92a7084e8a009ecc8bcd952 mariadb-debugsource-10.11.18-1.module+el8.10.0+24403+8b846dba.x86_64.rpm SHA-256: 4bd41f88107998a85b7fab9c1f13b49f33bc1f18af4fa758b987a87c16029184 mariadb-devel-10.11.18-1.module+el8.10.0+24403+8b846dba.x86_64.rpm SHA-256: 7720aea22ac7d0cc769c2c7affaaf96aeb0c51b140054a396bd259c08413f9b8 mariadb-embedded-10.11.18-1.module+el8.10.0+24403+8b846dba.x86_64.rpm SHA-256: b9f499a647420dd190ae3b65ced90eb459c5ddf2c0cd442862e2f44c2763a4b2 mariadb-embedded-debuginfo-10.11.18-1.module+el8.10.0+24403+8b846dba.x86_64.rpm SHA-256: a535c0b57521fbbf2942ad9391bc1dd55167c132278823a5dd65226e017aeb6b mariadb-embedded-devel-10.11.18-1.module+el8.10.0+24403+8b846dba.x86_64.rpm SHA-256: 046dd7c03783e4d923122fbc55c2efa590ce08fedcfef391aaf269b14f754c02 mariadb-errmsg-10.11.18-1.module+el8.10.0+24403+8b846dba.x86_64.rpm SHA-256: 2abe5554a9045c734f49b06079d3bdfa067d0dfc8e63b957e05635c726801e0e mariadb-gssapi-server-10.11.18-1.module+el8.10.0+24403+8b846dba.x86_64.rpm SHA-256: 4a18ad30752634881c153d8560dcf080f2f54abce157c5b1405aed0f29c1d9f8 mariadb-gssapi-server-debuginfo-10.11.18-1.module+el8.10.0+24403+8b846dba.x86_64.rpm SHA-256: 3424508d7f4a1fb88f32f6c44386770a522d7e9be629c21f614c096c7dd450f3 mariadb-oqgraph-engine-10.11.18-1.module+el8.10.0+24403+8b846dba.x86_64.rpm SHA-256: bfedff082314299a67c48bc57a08499aa2cc04e003c8ecc58a7e1de97d153963 mariadb-oqgraph-engine-debuginfo-10.11.18-1.module+el8.10.0+24403+8b846dba.x86_64.rpm SHA-256: f022f1a55a798b198bd7b67745fb85cb8049bb67e49aa56414b8b8201faa2bb0 mariadb-pam-10.11.18-1.module+el8.10.0+24403+8b846dba.x86_64.rpm SHA-256: b5a425c7a0fef02515ebfb8bb3165314ecac56844a5d9c857a87e4fb6b56f8ab mariadb-pam-debuginfo-10.11.18-1.module+el8.10.0+24403+8b846dba.x86_64.rpm SHA-256: e980f422fab25333a50f693c2cff255316e897e1276b91aa8b71c71029e2afeb mariadb-server-10.11.18-1.module+el8.10.0+24403+8b846dba.x86_64.rpm SHA-256: 0723aa90b0418f5c7347e611e1165f6ab8926becbaa19db0b5fefd85f07ab490 mariadb-server-debuginfo-10.11.18-1.module+el8.10.0+24403+8b846dba.x86_64.rpm SHA-256: 1f9902878631f412656f8df5254a3de35ec90878ceb4537009412b08b60aacc3 mariadb-server-galera-10.11.18-1.module+el8.10.0+24403+8b846dba.x86_64.rpm SHA-256: 524bbfd3a28b0d904cd1597f67106c430e981eebcbb8156dae439640738faeeb mariadb-server-utils-10.11.18-1.module+el8.10.0+24403+8b846dba.x86_64.rpm SHA-256: 982bb268abe72fdd1fd5e9dae2b25841535f18e2b4384886717ec01e34a9e311 mariadb-server-utils-debuginfo-10.11.18-1.module+el8.10.0+24403+8b846dba.x86_64.rpm SHA-256: 363ebe18feb42d9c17668ee00e0bae80b793b7810653f3b08cd9f77db2ec416f mariadb-test-10.11.18-1.module+el8.10.0+24403+8b846dba.x86_64.rpm SHA-256: f90ca8d0e546740dcc4520580f2254482e208361b83f3232b3b6f9bf32377008 mariadb-test-debuginfo-10.11.18-1.module+el8.10.0+24403+8b846dba.x86_64.rpm SHA-256: cc0401238cf43bcad6e9ce230c61bd265f579225ac9867137a73f108ebb5cf8d Red Hat Enterprise Linux for IBM z Systems 8 SRPM Judy-1.0.5-18.module+el8.10.0+21221+7bee72c1.src.rpm SHA-256: f1cfcd7b006370468a1644c26314d1e504d527e28333384153230e3c8c976e10 galera-26.4.27-1.module+el8.10.0+24403+8b846dba.src.rpm SHA-256: 2c668791785e11df24f189a9f39e8107059e5012ccad705e3c50e94ec97cacee mariadb-10.11.18-1.module+el8.10.0+24403+8b846dba.src.rpm SHA-256: dd71a99aebcb304298983e906b3d8fd336b4a87ec1e6e86a714a3e4b24937151 s390x Judy-1.0.5-18.module+el8.10.0+21221+7bee72c1.s390x.rpm SHA-256: e58d91c3d496c47fe5ea408f604ccd33c040a384b49bd89fc0bec63f647719a8 Judy-debuginfo-1.0.5-18.module+el8.10.0+21221+7bee72c1.s390x.rpm SHA-256: a332a670d259cc11cc392881d466d179a34f45070e11cdd31b716d5fdbe2e761 Judy-debugsource-1.0.5-18.module+el8.10.0+21221+7bee72c1.s390x.rpm SHA-256: e5b60be5d99a47668c7c91c4c5b5196adc1a2f0eb1c1e3bb8446b87ec1834d41 galera-26.4.27-1.module+el8.10.0+24403+8b846dba.s390x.rpm SHA-256: 202612660786ee27a957596d6f02caaf212778ead33a1a2a43f6d5141ddd269c galera-debuginfo-26.4.27-1.module+el8.10.0+24403+8b846dba.s390x.rpm SHA-256: 26879f778638a5519f0aed02a9e2e25a3eb5c1033753faf78b6b0abc1d54b342 galera-debugsource-26.4.27-1.module+el8.10.0+24403+8b846dba.s390x.rpm SHA-256: 09b3f17e746e64ef882dbc25efb8790421a9a2d52fa0a7b173203896d487c39d mariadb-10.11.18-1.module+el8.10.0+24403+8b846dba.s390x.rpm SHA-256: bcc03cfaebb90356fe65a4a92c4356a094000f47bb479e8c7131ccf4c8465437 mariadb-backup-10.11.18-1.module+el8.10.0+24403+8b846dba.s390x.rpm SHA-256: 6d94617b228e453fbbe8c983da0d60269108455024978927cddcced934d6b87b mariadb-backup-debuginfo-10.11.18-1.module+el8.10.0+24403+8b846dba.s390x.rpm SHA-256: 2cc7cea56e6d730a71a6ffe17c938127497e1d8e26ca54a1911d615398a1f042 mariadb-common-10.11.18-1.module+el8.10.0+24403+8b846dba.s390x.rpm SHA-256: f61f39fee1403cbb24d72dbd185ae88dfb47e13afa29a286c5087f220c73fbe1 mariadb-debuginfo-10.11.18-1.module+el8.10.0+24403+8b846dba.s390x.rpm SHA-256: 08bd3b9ab8e4dda312e786041b4ef5e3b0a3278b1b897e1a9ae48921b80ac18a mariadb-debugsource-10.11.18-1.module+el8.10.0+24403+8b846dba.s390x.rpm SHA-256: 2baeb8b5dc470d4517288d4179efff30d7b1494092faf22f43de147dc3b8cc73 mariadb-devel-10.11.18-1.module+el8.10.0+24403+8b846dba.s390x.rpm SHA-256: 7857e5b7e9dee5e50981074ffe53eea342385446a63cba7869444b0f3b1ef60b mariadb-embedded-10.11.18-1.module+el8.10.0+24403+8b846dba.s390x.rpm SHA-256: 7560857042fd2e8afb08a1bc601d31c72c7c49b60be01fd2682c18b666631f5e mariadb-embedded-debuginfo-10.11.18-1.module+el8.10.0+24403+8b846dba.s390x.rpm SHA-256: 872c822a16c0f3f26dfeb522deab1590df898d2a161925b9cd8dcf440f7ddf46 mariadb-embedded-devel-10.11.18-1.module+el8.10.0+24403+8b846dba.s390x.rpm SHA-256: bb007b97120906d36ff628adc8a06c2318a3e63445a934bf5964877807baa62e mariadb-errmsg-10.11.18-1.module