Red Hat Product Errata RHSA-2026:33093 - Security Advisory Issued: 2026-06-29 Updated: 2026-06-29 RHSA-2026:33093 - Security Advisory Overview Updated Packages Synopsis Important: mariadb10.11 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 mariadb10.11 is now available for Red Hat Enterprise Linux 10. 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 community developed fork from MySQL - a multi-user, multi-threaded SQL database server. It is a client/server implementation consisting of a server daemon (mariadbd) and many different client programs and libraries. The base package contains the standard MariaDB/MySQL client programs and utilities. Security Fix(es): mariadb: MariaDB Server: Arbitrary code execution via wsrep_notify_cmd (CVE-2026-49261) Bug Fix(es) and Enhancement(s): Rebase MariaDB 10.11 to 10.11.18 in RHEL10 (JIRA:RHEL-183086) 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 10 x86_64 Red Hat Enterprise Linux for x86_64 - Extended Update Support 10.2 x86_64 Red Hat Enterprise Linux for IBM z Systems 10 s390x Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 10.2 s390x Red Hat Enterprise Linux for Power, little endian 10 ppc64le Red Hat Enterprise Linux for Power, little endian - Extended Update Support 10.2 ppc64le Red Hat Enterprise Linux for ARM 64 10 aarch64 Red Hat Enterprise Linux for ARM 64 - Extended Update Support 10.2 aarch64 Red Hat Enterprise Linux for ARM 64 - 4 years of updates 10.2 aarch64 Red Hat Enterprise Linux for IBM z Systems - 4 years of updates 10.2 s390x Red Hat Enterprise Linux for Power, little endian - 4 years of support 10.2 ppc64le Red Hat Enterprise Linux for x86_64 - 4 years of updates 10.2 x86_64 Red Hat Enterprise Linux for x86_64 - Extended Life Cycle 10.2 x86_64 Red Hat Enterprise Linux for ARM 64 - Extended Life Cycle 10.2 aarch64 Red Hat Enterprise Linux for Power, little endian - Extended Life Cycle 10.2 ppc64le Red Hat Enterprise Linux for IBM z Systems - Extended Life Cycle 10.2 s390x Fixes BZ - 2487957 - CVE-2026-49261 mariadb: MariaDB Server: Arbitrary code execution via wsrep_notify_cmd RHEL-183086 - Rebase MariaDB 10.11 to 10.11.18 in RHEL10 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 10 SRPM mariadb10.11-10.11.18-1.el10_2.src.rpm SHA-256: 7e82e5fa66b88b170b289cf18506bc8543df2c183da088ac611b36b44a57d5aa x86_64 mariadb-10.11.18-1.el10_2.x86_64.rpm SHA-256: 2c5c9ce2ef4782616818e13da4e7146d6e643f791f94d494d1d951d149b0d8db mariadb-backup-10.11.18-1.el10_2.x86_64.rpm SHA-256: e61018c228003752cc5ee72c6e7977fe1db27f158bc3b5a0b6500104bc32be3b mariadb-backup-debuginfo-10.11.18-1.el10_2.x86_64.rpm SHA-256: cf82002d349f6780fc362233c033ee7a96450868caf286c19e20ddbb64e855dc mariadb-client-utils-10.11.18-1.el10_2.x86_64.rpm SHA-256: 9ec6bac631857a94a68454cbccca6be3888e3c87e696524dd445525939c28879 mariadb-common-10.11.18-1.el10_2.noarch.rpm SHA-256: a28eb9bf3bc4ede1e37e17eec0da814e46bf5a311adf1fbf9775f304ce943110 mariadb-debuginfo-10.11.18-1.el10_2.x86_64.rpm SHA-256: cc3bee64df346b05f7384946f078acd8f473b21ef29f36bfa04a60e761405315 mariadb-devel-10.11.18-1.el10_2.x86_64.rpm SHA-256: 82e78989e722e9268e77a64a3e6051ba4eafd8387873a937e7885a285730b8ed mariadb-embedded-10.11.18-1.el10_2.x86_64.rpm SHA-256: 4da4635c18858235c26d488a7c3981c027e6c50f6636f7bdf29a32cea75b3906 mariadb-embedded-debuginfo-10.11.18-1.el10_2.x86_64.rpm SHA-256: b4ad11026df34b5570ef1107352a3414c5b095595d910c174117c1b0f3bab396 mariadb-embedded-devel-10.11.18-1.el10_2.x86_64.rpm SHA-256: 56745a1b8dedc6f71f763cb2990834127a9d2f3f3a46f7c9fa0e9fd19b3bc400 mariadb-errmsg-10.11.18-1.el10_2.noarch.rpm SHA-256: 313fdd364a6c826097e0bda750a5162676ce04153bb9f4d17dee15b5b5b428e8 mariadb-gssapi-server-10.11.18-1.el10_2.x86_64.rpm SHA-256: 10dc1be915319e166c884edcbd12d34316408a8ff1bc120f820248c64198050d mariadb-gssapi-server-debuginfo-10.11.18-1.el10_2.x86_64.rpm SHA-256: ab33d29a9348b6dffc982f34a470c0fa9c257665ea727af27ea5aa9d2984c5ee mariadb-oqgraph-engine-10.11.18-1.el10_2.x86_64.rpm SHA-256: ac3f93bcccd905975043d6c47d613452ebd1a7a57b0624992ade2a14cfece7d5 mariadb-oqgraph-engine-debuginfo-10.11.18-1.el10_2.x86_64.rpm SHA-256: fe4ee42395d9b7a0a25f4e41beb9c9a38f95f0edc453f6925b8fc14cc3b25cfb mariadb-pam-10.11.18-1.el10_2.x86_64.rpm SHA-256: 94f762c314e58245bf99cfb39facf7165d4b496505a07a7b2e3e0a8f0e4cf7cc mariadb-pam-debuginfo-10.11.18-1.el10_2.x86_64.rpm SHA-256: 1acf4c4b7b060796d04c7c5b0cb77a99d5bc3e6ba4cb2bfe4db15795ba028aae mariadb-server-10.11.18-1.el10_2.x86_64.rpm SHA-256: b711773cbfb0b945fce665a6a0a3ca909e60d163b1e28a2f305dc327b1d26b43 mariadb-server-debuginfo-10.11.18-1.el10_2.x86_64.rpm SHA-256: 139d5421d41724a8456589c85d977e7fddd14e1a0e8c32b182b275414d394980 mariadb-server-galera-10.11.18-1.el10_2.x86_64.rpm SHA-256: 19e5e20cba395cdef6cff411e51db60e7d05219dacdf4c121ec0d0d359987c4a mariadb-server-utils-10.11.18-1.el10_2.x86_64.rpm SHA-256: 75006a37e3a81d4d04e0211626a02262082772f34ff47493589fa4c8bb304354 mariadb-server-utils-debuginfo-10.11.18-1.el10_2.x86_64.rpm SHA-256: 5d7e01b975da85012f611d97033a86407e036dd91a4d4057376e6af31091a42b mariadb-test-10.11.18-1.el10_2.x86_64.rpm SHA-256: 85c617f16277df9007dbc57c44d635ad6f4d19cda9c4e6d1b119abd93c081fe3 mariadb-test-debuginfo-10.11.18-1.el10_2.x86_64.rpm SHA-256: c7d141cdb079805cc33c2321f674211c8221f4b40854ebff799231d6c7bc391a mariadb10.11-debuginfo-10.11.18-1.el10_2.x86_64.rpm SHA-256: 4b395aadf16a4a29f49c92bd60bc936c1f10cf98451a320df8087c99721920d1 mariadb10.11-debugsource-10.11.18-1.el10_2.x86_64.rpm SHA-256: 07a487bbe74752419f681117b3d6d3c77795576a027ce1dc9ac677eb8df74557 Red Hat Enterprise Linux for x86_64 - Extended Update Support 10.2 SRPM mariadb10.11-10.11.18-1.el10_2.src.rpm SHA-256: 7e82e5fa66b88b170b289cf18506bc8543df2c183da088ac611b36b44a57d5aa x86_64 mariadb-10.11.18-1.el10_2.x86_64.rpm SHA-256: 2c5c9ce2ef4782616818e13da4e7146d6e643f791f94d494d1d951d149b0d8db mariadb-backup-10.11.18-1.el10_2.x86_64.rpm SHA-256: e61018c228003752cc5ee72c6e7977fe1db27f158bc3b5a0b6500104bc32be3b mariadb-backup-debuginfo-10.11.18-1.el10_2.x86_64.rpm SHA-256: cf82002d349f6780fc362233c033ee7a96450868caf286c19e20ddbb64e855dc mariadb-client-utils-10.11.18-1.el10_2.x86_64.rpm SHA-256: 9ec6bac631857a94a68454cbccca6be3888e3c87e696524dd445525939c28879 mariadb-common-10.11.18-1.el10_2.noarch.rpm SHA-256: a28eb9bf3bc4ede1e37e17eec0da814e46bf5a311adf1fbf9775f304ce943110 mariadb-debuginfo-10.11.18-1.el10_2.x86_64.rpm SHA-256: cc3bee64df346b05f7384946f078acd8f473b21ef29f36bfa04a60e761405315 mariadb-devel-10.11.18-1.el10_2.x86_64.rpm SHA-256: 82e78989e722e9268e77a64a3e6051ba4eafd8387873a937e7885a285730b8ed mariadb-embedded-10.11.18-1.el10_2.x86_64.rpm SHA-256: 4da4635c18858235c26d488a7c3981c027e6c50f6636f7bdf29a32cea75b3906 mariadb-embedded-debuginfo-10.11.18-1.el10_2.x86_64.rpm SHA-256: b4ad11026df34b5570ef1107352a3414c5b095595d910c174117c1b0f3bab396 mariadb-embedded-devel-10.11.18-1.el10_2.x86_64.rpm SHA-256: 56745a1b8dedc6f71f763cb2990834127a9d2f3f3a46f7c9fa0e9fd19b3bc400 mariadb-errmsg-10.11.18-1.el10_2.noarch.rpm SHA-256: 313fdd364a6c826097e0bda750a5162676ce04153bb9f4d17dee15b5b5b428e8 mariadb-gssapi-server-10.11.18-1.el10_2.x86_64.rpm SHA-256: 10dc1be915319e166c884edcbd12d34316408a8ff1bc120f820248c64198050d mariadb-gssapi-server-debuginfo-10.11.18-1.el10_2.x86_64.rpm SHA-256: ab33d29a9348b6dffc982f34a470c0fa9c257665ea727af27ea5aa9d2984c5ee mariadb-oqgraph-engine-10.11.18-1.el10_2.x86_64.rpm SHA-256: ac3f93bcccd905975043d6c47d613452ebd1a7a57b0624992ade2a14cfece7d5 mariadb-oqgraph-engine-debuginfo-10.11.18-1.el10_2.x86_64.rpm SHA-256: fe4ee42395d9b7a0a25f4e41beb9c9a38f95f0edc453f6925b8fc14cc3b25cfb mariadb-pam-10.11.18-1.el10_2.x86_64.rpm SHA-256: 94f762c314e58245bf99cfb39facf7165d4b496505a07a7b2e3e0a8f0e4cf7cc mariadb-pam-debuginfo-10.11.18-1.el10_2.x86_64.rpm SHA-256: 1acf4c4b7b060796d04c7c5b0cb77a99d5bc3e6ba4cb2bfe4db15795ba028aae mariadb-server-10.11.18-1.el10_2.x86_64.rpm SHA-256: b711773cbfb0b945fce665a6a0a3ca909e60d163b1e28a2f305dc327b1d26b43 mariadb-server-debuginfo-10.11.18-1.el10_2.x86_64.rpm SHA-256: 139d5421d41724a8456589c85d977e7fddd14e1a0e8c32b182b275414d394980 mariadb-server-galera-10.11.18-1.el10_2.x86_64.rpm SHA-256: 19e5e20cba395cdef6cff411e51db60e7d05219dacdf4c121ec0d0d359987c4a mariadb-server-utils-10.11.18-1.el10_2.x86_64.rpm SHA-256: 75006a37e3a81d4d04e0211626a02262082772f34ff47493589fa4c8bb304354 mariadb-server-utils-debuginfo-10.11.18-1.el10_2.x86_64.rpm SHA-256: 5d7e01b975da85012f611d97033a86407e036dd91a4d4057376e6af31091a42b mariadb-test-10.11.18-1.el10_2.x86_64.rpm SHA-256: 85c617f16277df9007dbc57c44d635ad6f4d19cda9c4e6d1b119abd93c081fe3 mariadb-test-debuginfo-10.11.18-1.el10_2.x86_64.rpm SHA-256: c7d141cdb079805cc33c2321f674211c8221f4b40854ebff799231d6c7bc391a mariadb10.11-debuginfo-10.11.18-1.el10_2.x86_64.rpm SHA-256: 4b395aadf16a4a29f49c92bd60bc936c1f10cf98451a320df8087c99721920d1 mariadb10.11-debugsource-10.11.18-1.el10_2.x86_64.rpm SHA-256: 07a487bbe74752419f681117b3d6d3c77795576a027ce1dc9ac677eb8df74557 Red Hat Enterprise Linux for IBM z Systems 10 SRPM mariadb10.11-10.11.18-1.el10_2.src