Vladislav Vaintroub 647a7402f0 MDEV-41343 REVOKE DENY FROM PUBLIC allowed with column-level UPDATE ...

REVOKE DENY .. FROM PUBLIC needs table-level UPDATE privilege for
mysql.global_priv. Tighten the privilege check, which also accepted
column-level UPDATE, because check_grant() defers the column check.

Assisted-by: Claude:claude-sonnet-5-5

2026-09-29 23:35:29 +02:00

540 KiB

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