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OpenAdvisories
High · 8.0 CVE-2026-48165 EUVD-2026-36520

MariaDB: unsafe usage of `wsrep_sst_receive_address` values on the joiner side

Published Jun 12, 2026 · Updated Aug 3, 2026 · Assigned by GitHub_M

Description

MariaDB server is a community developed fork of MySQL server. From versions 10.6.1 to before 10.6.27, 10.11.1 to before 10.11.18, 11.4.1 to before 11.4.12, 11.8.1 to before 11.8.8, and 12.3.1, a high-privileged MariaDB user could've used wsrep_sst_receive_address or wsrep_sst_donor global system variables to execute shell commands as the uid of the mariadbd process on the galera joiner node. This issue has been patched in versions 10.6.27, 10.11.18, 11.4.12, 11.8.8, and 12.3.2.

Affected products

VendorProductAffectedFixed
MariaDB server >= 10.6.1, < 10.6.27, >= 10.11.1, < 10.11.18, >= 11.4.1, < 11.4.12, >= 11.8.1, < 11.8.8, >= 12.3.1, < 12.3.2 —

Fixed in Linux distributions

Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.

ReleasePackageFixed inAdvisory
Debian 14 mariadb 1:11.8.8-1 —
Debian 13 mariadb No fix yet —
Debian 12 mariadb 1:10.11.18-0+deb12u1 —
ReleasePackageFixed inAdvisory
Ubuntu 26.04 LTS mariadb 1:11.8.6-5ubuntu0.1 —
Ubuntu 25.10 mariadb No fix yet —
Ubuntu 24.04 LTS mariadb No fix yet —
Ubuntu 22.04 LTS mariadb-10.6 No fix yet —
Ubuntu 20.04 LTS mariadb-10.3 No fix yet —
Show 2 more (older releases, extended support, other products)
ReleasePackageFixed inAdvisory
Ubuntu 18.04 LTS mariadb-10.1 No fix yet —
Ubuntu 16.04 LTS mariadb-10.0 No fix yet —
ReleasePackageFixed inAdvisory
RHEL 10 mariadb +15 3:10.11.18-1.el10_2 RHSA-2026:33093
RHEL 10 mariadb11.8 +14 3:11.8.8-1.el10_2 RHSA-2026:33412
RHEL 9 galera 26.4.27-1.module+el9.8.0+24388+85f1c439 RHSA-2026:33482, RHSA-2026:33481
RHEL 9 mariadb +13 3:10.11.18-1.module+el9.8.0+24388+85f1c439 RHSA-2026:33482, RHSA-2026:33481
RHEL 9 mariadb-client-utils 3:11.8.8-1.module+el9.8.0+24389+c97c30be RHSA-2026:33481
RHEL 8 Judy 1.0.5-18.module+el8.10.0+21221+7bee72c1 RHSA-2026:33464
RHEL 8 galera 26.4.27-1.module+el8.10.0+24403+8b846dba RHSA-2026:33464
RHEL 8 mariadb +13 3:10.11.18-1.module+el8.10.0+24403+8b846dba RHSA-2026:33464
Show 2 more (older releases, extended support, other products)
ReleasePackageFixed inAdvisory
RHEL 10.0 EUS mariadb +15 3:10.11.18-1.el10_0 RHSA-2026:49522
Red Hat Hardened Images 1 mariadb +20 11.8.8-1.hum1 RHSA-2026:25143
Red Hat Hardened Images 1 mariadb10.11 +19 10.11.18-1.hum1 RHSA-2026:25145

AlmaLinux

Errata ↗
ReleasePackageFixed inAdvisory
AlmaLinux 10 galera 26.4.27-1.el10_2 ALSA-2026:33412
AlmaLinux 10 mariadb +14 3:10.11.18-1.el10_2.alma.1 ALSA-2026:33093
AlmaLinux 10 mariadb11.8 +14 3:11.8.8-1.el10_2 ALSA-2026:33412
AlmaLinux 9 galera 26.4.27-1.module_el9.8.0+274+ad8c02e7 ALSA-2026:33482, ALSA-2026:33481
AlmaLinux 9 mariadb +13 3:10.11.18-1.module_el9.8.0+275+ff40c56f ALSA-2026:33482, ALSA-2026:33481
AlmaLinux 9 mariadb-client-utils 3:11.8.8-1.module_el9.8.0+274+ad8c02e7 ALSA-2026:33481
AlmaLinux 8 Judy 1.0.5-18.module_el8.10.0+3794+c6a66d65 ALSA-2026:33464
AlmaLinux 8 galera 26.4.27-1.module_el8.10.0+4207+a44b0e1e ALSA-2026:33464
AlmaLinux 8 mariadb +13 3:10.11.18-1.module_el8.10.0+4207+a44b0e1e ALSA-2026:33464

Rocky Linux

Errata ↗
ReleasePackageFixed inAdvisory
Rocky Linux 10 galera 26.4.27-1.el10_2 RLSA-2026:33412
Rocky Linux 10 mariadb10.11 3:10.11.18-1.el10_2 RLSA-2026:33093
Rocky Linux 9 galera 26.4.27-1.module+el9.8.0+40229+87be66a2 RLSA-2026:33482, RLSA-2026:33481
Rocky Linux 9 mariadb 3:10.11.18-1.module+el9.8.0+40232+a354f53a RLSA-2026:33482, RLSA-2026:33481
ReleasePackageFixed inAdvisory
SLES 15 SP7 mariadb 11.8.8-150700.3.15.1 SUSE-SU-2026:2330-1
Show 2 more (older releases, extended support, other products)
ReleasePackageFixed inAdvisory
SLES for SAP 16.0 mariadb 11.8.8-160000.1.1 SUSE-SU-2026:22095-1
SLES 16.0 mariadb 11.8.8-160000.1.1 SUSE-SU-2026:22095-1
ReleasePackageFixed inAdvisory
openSUSE Tumbleweed mariadb 11.8.8-1.1 openSUSE-SU-2026:10934-1
openSUSE Leap 16.0 mariadb 11.8.8-160000.1.1 openSUSE-SU-2026:20933-1
ReleasePackageFixed inAdvisory
Alpine v3.24 mariadb 11.8.8-r0 —
Alpine v3.23 mariadb 11.4.12-r0 —
Alpine v3.22 mariadb 11.4.12-r0 —
Alpine v3.21 mariadb 11.4.12-r0 —
Alpine v3.20 mariadb 10.11.18-r0 —

Oracle Linux

ReleasePackageFixed inAdvisory
Oracle Linux 10 galera 26.4.27-1.el10_2 ELSA-2026-33412
Oracle Linux 10 mariadb11.8 +14 3:11.8.8-1.el10_2 ELSA-2026-33412

Wolfi

ReleasePackageFixed inAdvisory
Wolfi rolling mariadb-11.8 11.8.9-r1 —

Advisories 23

References