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| ID# | Date | Updated | Type | Status | Sev | Version | OS | CPU | Summary |
|---|---|---|---|---|---|---|---|---|---|
| 121430 | 2026-10-04 0:02 | 2026-10-05 8:55 | MySQL Server: Optimizer | Verified | S2 | 8.0.46, 8.4.11, 9.7.2, 26.07 | Any | Any | ORDER BY on a 64-member SET column sorts values containing member 64 as negative |
| 121429 | 2026-10-03 23:57 | 2026-10-05 8:48 | MySQL Server: Optimizer | Verified | S2 | 8.0.46, 8.4.11, 9.7.2, 26.07 | Any | Any | Row with BIGINT 2^53+1 is in neither IN (subquery) nor NOT IN when compared to a DOUBLE |
| 121428 | 2026-10-03 22:50 | 2026-10-05 7:02 | MySQL Workbench: SQL Editor | Verified | S2 | MySQL Workbench 26.7.0 | Windows | Any | SQL Editor executes the next statement when selection includes whitespace after the semicolon |
| 121426 | 2026-10-02 15:38 | 2026-10-05 8:43 | MySQL Server: JSON | Verified | S2 | 9.7.2, 26.07 | Windows (Windows 11) | Any (x86_64) | JSON Duality View INSERT silently drops a nested child row on secondary UNIQUE conflict |
| 121424 | 2026-10-02 11:25 | 2026-10-05 8:39 | MySQL Server: DML | Verified | S2 | 8.0.46, 8.4.11, 9.7.2, 26.07 | Any | Any | WITH LOCAL CHECK option on a join view ignores its own ON condition |
| 121423 | 2026-10-02 10:58 | 2026-10-05 7:13 | MySQL Server: DML | Verified | S2 | 8.0.46, 8.4.11, 9.7.2, 26.07 | Any | Any | BEFORE INSERT trigger causes ER_BAD_NULL_ERROR on NOT NULL generated column |
| 121422 | 2026-10-02 8:29 | 2026-10-05 7:03 | MySQL Workbench: SQL Editor | Verified | S2 | 26.7.1 | Any | Any | Workbench 26.7.1 reverses Ctrl+Enter / Ctrl+Shift+Enter shortcuts, creating risk of unintended script execution |
| 121421 | 2026-10-02 4:08 | 2026-10-05 7:02 | MySQL Server: Optimizer | Verified | S3 | 8.0.46, 8.4.11, 9.7.2, 26.07 | Windows ( x86_64) | Any | Possible incorrect error under derived condition pushdown with NULL and DATE predicates |
| 121419 | 2026-10-01 18:25 | 2026-10-05 8:34 | MySQL Server: Optimizer | Verified | S2 | 8.0.46, 8.4.11, 9.7.2, 26.07 | Linux | Any | `IN (SELECT NULL WHERE tautology) IS TRUE` returns NULL instead of 0 |
| 121417 | 2026-10-01 13:57 | 2026-10-05 7:03 | MySQL Workbench | Verified | S4 | 26.7 | MacOS | Any | Missing Pin Tab and Rename Tab functionality |
| 121412 | 2026-09-30 18:08 | 2026-10-02 15:11 | MySQL Server: Replication | Verified (3 days) | S3 | Any | Any | Contribution: Initialize binlog event scalar members | |
| 121411 | 2026-09-30 17:42 | 2026-10-01 5:09 | MySQL Server: Optimizer | Verified (4 days) | S2 | 8.0.46, 8.4.11, 9.7.2, 26.07 | Linux | Any | Wrapping SUM(j) in CASE WHEN TRUE drops three rows from a DISTINCT ROLLUP query with a window function |
| 121410 | 2026-09-30 15:28 | 2026-10-02 17:22 | MySQL Server: Replication | Verified (3 days) | S3 | 26.7.0 | Any | Any | CSA applier: Cached_event_payload leaks its event buffer when destroyed without decode() |
| 121404 | 2026-09-30 7:03 | 2026-10-01 5:07 | MySQL Server: Optimizer | Verified (4 days) | S2 | 8.0.46, 8.4.11, 9.7.2, 26.07 | Linux | Any | Wrong result: row constructor comparison in WHERE returns no rows when a tuple element is a null-extended outer-join col |
| 121403 | 2026-09-30 5:56 | 2026-10-01 5:04 | MySQL Server: Optimizer | Verified (4 days) | S2 | 8.0.46, 8.4.11, 9.7.2, 26.07 | Linux | Any | sql_buffer_result=ON causes a CASE-wrapped IN subquery to return an extra row |
| 121402 | 2026-09-30 3:07 | 2026-09-30 8:42 | MySQL Server: Optimizer | Verified (5 days) | S3 | 8.0.46 | Ubuntu (Ubuntu 22.04) | Any | NOT EXISTS subquery with tautological OR condition ignores NULL semantics |
| 121401 | 2026-09-30 2:15 | 2026-09-30 7:30 | MySQL Server: Optimizer | Verified (5 days) | S5 | 8.0.46, 8.4.11, 9.7.2, 26.07 | Ubuntu (22.04.4 LTS) | x86 (Intel(R) Xeon(R) Gold 5220 CPU @ 2.20GHz) | Join-order enumeration and final AccessPath disagree on equality-derived filter cost, causing ~230x slowdown |
| 121399 | 2026-09-29 18:04 | 2026-09-30 7:26 | MySQL Server: Optimizer | Verified (5 days) | S2 | 9.7.2, 26.07 | Linux | Any | subquery_to_derived=on incorrectly filters rows for ALL over an empty subquery inside CASE |
| 121398 | 2026-09-29 17:27 | 2026-09-30 8:45 | MySQL Server: Optimizer | Verified (5 days) | S2 | 26.10.0 | Linux | Any | UNION loses a distinct DATE value after changing sql_mode on a partitioned table |
| 121395 | 2026-09-29 9:54 | 2026-09-30 7:16 | MySQL Server: Optimizer | Verified (5 days) | S2 | 8.0.46, 8.4.11, 9.7.2, 26.07 | Linux | Any | BIGINT UNSIGNED column incorrectly matches a negative value in an IN (...) list when that value is derived from a non-co |
| 121394 | 2026-09-29 8:27 | 2026-09-30 7:12 | MySQL Server: DML | Verified (5 days) | S2 | 8.4.11, 9.7.2, 26.10.0-er | Any | Any | Buffered multi table update stores NULL instead of DEFAULT when asked for DEFAULT |
| 121393 | 2026-09-29 8:03 | 2026-10-02 10:58 | MySQL Server: GIS | Verified (3 days) | S3 | 8.0.46, 8.4.11, 9.7.2, 26.07 | Any | Any | Trigger prevents GEOMETRY NOT NULL guard from working |
| 121392 | 2026-09-29 8:00 | 2026-09-30 6:35 | MySQL Server: Optimizer | Verified (5 days) | S2 | 8.0.46, 8.4.11, 9.7.2, 26.07 | Linux | Any | SELECT DISTINCT with a COLLATE-qualified WHERE predicate incorrectly drops matching rows when the optimizer uses an inde |
| 121391 | 2026-09-29 7:50 | 2026-09-30 6:28 | MySQL Server: GIS | Verified (5 days) | S3 | 8.0.46, 8.4.11, 9.7.2, 26.07 | Any | Any | UPDATE IGNORE set geometry DEFAULT fails after DROP DEFAULT where INSERT IGNORE stores NULL |
| 121389 | 2026-09-29 1:05 | 2026-09-29 5:28 | MySQL Server: Optimizer | Verified (6 days) | S2 | 8.0.46, 8.4.11, 9.7.2, 26.07 | Any | Any | COUNT(DISTINCT) returns a wrong (too small) result on a partitioned table when loose index scan is chosen |
| 121388 | 2026-09-28 14:46 | 2026-09-28 17:40 | MySQL Server: Optimizer | Verified (7 days) | S4 | Any | Any | Contribution: Add DELETE ... RETURNING clause support | |
| 121379 | 2026-09-28 8:25 | 2026-09-29 11:21 | MySQL Server: Optimizer | Verified (6 days) | S2 | 8.0.46, 8.4.11, 9.7.2, 26.07 | Linux | Any | Identical UNION operands return different values when counting an EXCEPT ALL CTE |
| 121378 | 2026-09-28 7:54 | 2026-10-01 5:02 | MySQL Server: Optimizer | Verified (4 days) | S2 | 8.0.46, 8.4.11, 9.7.2, 26.07 | Linux | Any | CASE WHEN TRUE changes the result of an identical WHERE predicate after SET NAMES binary |
| 121377 | 2026-09-28 7:07 | 2026-09-29 10:30 | MySQL Server: Optimizer | Verified (6 days) | S2 | 8.0.46, 8.4.11, 9.7.2, 26.07 | Linux | Any | LIKE with an equivalent computed numeric pattern returns inconsistent results under utf16_unicode_ci |
| 121374 | 2026-09-27 18:59 | 2026-09-28 5:07 | MySQL Server: Optimizer | Verified (7 days) | S2 | 8.0.46, 8.4.11, 9.7.2 | Any | Any | Queries using a JSON array index silently return incomplete results in joins (realworld bug) |
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