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USN-8536-1: MariaDB vulnerabilities
It was discovered that MariaDB did not properly validate parameters
supplied by a joiner node during a State Snapshot Transfer using the
mariabackup method. An attacker could possibly use this issue to execute
arbitrary shell commands on the donor node. (CVE-2026-44168)
It was discovered that MariaDB did not properly enforce the SHOW CREATE
ROUTINE privilege when a user obtained access to a stored routine via a
role. An authenticated user could possibly use this issue to obtain
sensitive information. (CVE-2026-44169)
It was discovered that MariaDB's mbstream utility did not properly validate
paths when unpacking archives. An attacker could possibly use this issue to
write files outside of the intended target directory. (CVE-2026-44171)
It was discovered that MariaDB's mysql_real_escape_string() function
incorrectly handled the big5 character set. An attacker could possibly use
this issue to perform SQL injection attacks. (CVE-2026-44172)
It was discovered that MariaDB did not properly check the FILE privilege
when the FROM clause of a SELECT ... INTO OUTFILE or SELECT ... INTO
DUMPFILE statement contained only subqueries. An authenticated user could
possibly use this issue to write files to unintended locations.
(CVE-2026-44173)
It was discovered that MariaDB did not properly validate parameters
supplied by a joiner node during a State Snapshot Transfer using the rsync
method. An attacker could possibly use this issue to execute arbitrary
shell commands on the donor node. (CVE-2026-48163)
It was discovered that MariaDB allowed a high-privileged user to set
certain Galera system variables to values containing shell commands, which
were then executed by the server process. An authenticated user could
possibly use this issue to execute arbitrary shell commands.
(CVE-2026-48165)
It was discovered that MariaDB executed shell commands embedded in the name
of a joiner node when wsrep_notify_cmd was enabled. A remote attacker could
possibly use this issue to execute arbitrary shell commands.
(CVE-2026-49261)
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