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| ID# | Date | Updated | Type | Status | Sev | Version | OS | CPU | Summary |
|---|---|---|---|---|---|---|---|---|---|
| 120582 | 2026-05-31 10:11 | 2026-05-31 10:11 | MySQL Server: Optimizer | Open | S3 | 8.0.44 | MacOS | Any | unique index causes incorrect result when comparing DOUBLE and BIGINT |
| 120581 | 2026-05-31 9:02 | 2026-05-31 9:02 | MySQL Server: Optimizer | Open | S2 | 8.0.44 | MacOS | Any | unique index causes incorrect result for IN comparison with implicit type conversion |
| 120580 | 2026-05-31 7:52 | 2026-05-31 7:53 | MySQL Server: Optimizer | Open (1 day) | S3 | 8.0.44 | Any | Any | MyISAM prefix index causes incorrect range query result |
| 120579 | 2026-05-30 11:39 | 2026-05-30 11:39 | MySQL Server: Optimizer | Open | S3 | 8.0.45 | Any | Any | LIKE query returns inconsistent results with MyISAM prefix index |
| 120578 | 2026-05-30 9:05 | 2026-05-30 9:05 | MySQL Server: Optimizer | Open | S3 | 8.0.45 | Any | Any | Multiple-Column Index Creation Changes Query Results |
| 120577 | 2026-05-30 7:58 | 2026-05-30 7:58 | MySQL Server: MyISAM storage engine | Open | S3 | 8.0.45 | Any | Any | drop index can lead to different results |
| 120576 | 2026-05-30 7:15 | 2026-05-30 7:15 | MySQL Server: MyISAM storage engine | Open | S3 | 8.0.45 | Any | Any | drop index can lead to different results |
| 120575 | 2026-05-30 6:57 | 2026-05-30 6:57 | MySQL Server: Optimizer | Open | S2 | 8.0.41+ | Any | Any | Range optimizer chooses bad range plan for large IN lists and execution is very slow and memory usage spikes. |
| 120574 | 2026-05-29 14:05 | 2026-05-29 14:12 | MySQL Server: Optimizer | Open | S2 | 8.0.41 | Any | Any | Range optimizer exceeds memory limit and chooses bad range plan for large IN lists |
| 120564 | 2026-05-29 6:43 | 2026-05-29 6:46 | MySQL Server: InnoDB storage engine | Open | S3 | 9.7.0 | Any | Any | InnoDB FTS: Off-by-one error in fts_init_index() causes unsynced document to be lost after crash recovery |
| 120562 | 2026-05-28 12:53 | 2026-05-28 12:53 | MySQL Server: InnoDB storage engine | Open | S1 | 9.6.0 | Linux | Any | InnoDB crashes with assertion failure when UPDATE touches a table with many secondary indexes |
| 120561 | 2026-05-28 11:11 | 2026-05-29 4:41 | MySQL Server: DDL | Open (4 days) | S3 | 9.7/8.4/8.0 | Any | Any | tablespace marked missing after rollback of copy-style ALTER |
| 120558 | 2026-05-27 11:21 | 2026-05-27 11:41 | MySQL Server: InnoDB storage engine | Open (5 days) | S3 | 8.4.8 | Any | Any | Redo log archiving started by dead connection cannot be disabled later |
| 120555 | 2026-05-27 8:22 | 2026-05-27 11:39 | MySQL Server: Optimizer | Verified (5 days) | S2 | 8.0.45 | Ubuntu | Any | Equivalent VIEW and CTE queries return different row counts with EXISTS, BINARY ENUM comparison, and LEFT JOIN |
| 120543 | 2026-05-25 9:57 | 2026-05-27 5:37 | MySQL Server: Optimizer | Verified (5 days) | S2 | 8.4.8 | Any | Any | MySQL `MERGE` vs `TEMPTABLE` view evaluation changes `MAX(SET)` result |
| 120540 | 2026-05-25 1:44 | 2026-05-29 5:20 | MySQL Server: Optimizer | Patch pending (5 days) | S2 | 9.7.0 | Ubuntu | x86 | A negated `IS TRUE` guard can still match a DECIMAL row for which the guarded predicate is true |
| 120539 | 2026-05-24 15:26 | 2026-05-24 15:26 | MySQL Server: FULLTEXT search | Open | S2 | 9.6.0 | Linux | Any | Duplicate FULLTEXT index on a column returns wrong MATCH...AGAINST results when combined with a STORED generated column |
| 120535 | 2026-05-24 5:29 | 2026-05-26 12:42 | MySQL Server: Optimizer | Verified (6 days) | S3 | 8.0.45 | Any | Any | Incorrect Query Result: IN and NOT IN return the same row simultaneously (boolean logic violation) |
| 120534 | 2026-05-24 5:19 | 2026-05-26 12:26 | MySQL Server: Optimizer | Verified (6 days) | S3 | 8.0.45 | Any | Any | Wrong Query Result Due to Incorrect Evaluation of GREATEST() with Mixed Types in OR (||) Boolean Context |
| 120533 | 2026-05-23 12:35 | 2026-05-26 8:30 | MySQL Server: Optimizer | Verified (6 days) | S2 | 8.0.45 | Ubuntu | x86 | A LEFT JOIN over DECIMAL ZEROFILL UNIQUE wrongly loses an obvious match |
| 120531 | 2026-05-23 12:33 | 2026-05-26 7:24 | MySQL Server: Optimizer | Verified (6 days) | S2 | 8.0.45 | Ubuntu | x86 | A NULL comparison inside an IN subquery becomes spuriously true in the original path |
| 120529 | 2026-05-22 17:08 | 2026-05-27 16:48 | MySQL Server: InnoDB storage engine | Open | S3 | Any | Any | Contribution: Log a warning when history list length exceeds threshold | |
| 120526 | 2026-05-22 11:47 | 2026-05-26 6:59 | MySQL Server: Optimizer | Verified (6 days) | S3 | 8.0.43 | Any | Any | Wrong result for IN subquery involving CURRENT_USER(), BIT column, and UNIQUE prefix index |
| 120525 | 2026-05-22 9:41 | 2026-05-26 6:49 | MySQL Server: Optimizer | Verified (6 days) | S2 | 8.0.45 | Ubuntu (Ubuntu 20.04.4 LTS) | x86 (Intel(R) Xeon(R) Platinum 8358P @ 2.60GHz (64 Cores, 96MB L3 Cache)) | Append-Only Growth Breaks Subset Monotonicity for Implicit VARCHAR-to-DECIMAL IN-Subquery Comparison |
| 120524 | 2026-05-22 9:40 | 2026-05-26 6:27 | MySQL Server: Optimizer | Verified (6 days) | S2 | 8.0.45 | Ubuntu (Ubuntu 20.04.4 LTS) | x86 (Intel(R) Xeon(R) Platinum 8358P @ 2.60GHz (64 Cores, 96MB L3 Cache)) | Materialized Correlated EXISTS Returns Positive COUNT(*) But No Rows for Implicit VARCHAR-to-YEAR Comparison |
| 120522 | 2026-05-22 6:39 | 2026-05-22 6:39 | MySQL Server: Optimizer | Open | S5 | 9.7.0 | Any | Any | Sub‑optimal execution plan for multi‑table row‑value IN condition leads to full index scan instead of index range scans |
| 120520 | 2026-05-21 16:34 | 2026-05-25 19:58 | MySQL Server: Optimizer | Verified (7 days) | S3 | 8.0.43 | Any | Any | Wrong result for IS NOT UNKNOWN when NULLIF() uses CURRENT_USER() as an argument |
| 120519 | 2026-05-21 15:49 | 2026-05-25 19:43 | MySQL Server: Optimizer | Verified (7 days) | S3 | 8.0.43 | Any | Any | Wrong result for BETWEEN predicate with LONGBLOB prefix PRIMARY KEY and implicit type conversion |
| 120515 | 2026-05-21 10:36 | 2026-05-21 11:55 | MySQL Server: Optimizer | Verified (11 days) | S3 | 8.0 | Any | Any | Wrong result for NOT BETWEEN involving interval arithmetic and implicit type conversion |
| 120512 | 2026-05-21 7:43 | 2026-05-21 11:23 | MySQL Server: Optimizer | Verified (11 days) | S3 | 8.0 | Any | Any | ALL quantified comparison involving implicit numeric conversion of BLOB values |
| 120511 | 2026-05-21 7:24 | 2026-05-21 8:26 | MySQL Server: Optimizer | Verified (11 days) | S3 | 8.0.46 | Ubuntu | x86 | LEFT JOIN ON with IN (empty subquery) produces a spurious match |
| 120504 | 2026-05-20 11:53 | 2026-05-29 10:36 | MySQL Server: InnoDB storage engine | Verified (3 days) | S3 | 9.7 | Any | Any | Can't create some of tables with SPATIAL KEY because of ER_TOO_BIG_ROWSIZE |
| 120502 | 2026-05-20 10:16 | 2026-05-20 10:16 | MySQL Server: Optimizer | Open | S5 | 9.7.0 | Any | Any | Impossible WHERE with inequality-only contradictions not optimized |
| 120499 | 2026-05-20 5:02 | 2026-05-20 5:02 | MySQL Server: Stored Routines | Open | S2 | 9.6.0 | Linux | x86 (AMD EPYC 9K65) | Recursive stored procedure with max_sp_recursion_depth >= 250 crashes mysqld |
| 120495 | 2026-05-18 16:12 | 2026-05-27 6:34 | MySQL Server: Optimizer | Verified (5 days) | S5 | 9.7.0 | Any | Any | Incorrect Cardinality Estimation for Index Lookup with Equality Predicate on the Index Column |
| 120493 | 2026-05-18 14:26 | 2026-05-19 19:53 | MySQL Server: Optimizer | Verified (13 days) | S3 | 8.0 | Any | Any | Wrong result for SOME quantified comparison in WHERE clause |
| 120491 | 2026-05-18 5:53 | 2026-05-18 12:22 | MySQL Server: Optimizer | Verified (14 days) | S2 | 8.0.46 | CentOS | Any | Semijoin returns wrong results for VARCHAR-to-DECIMAL comparison with non-canonical numeric strings |
| 120490 | 2026-05-18 3:24 | 2026-05-18 8:26 | MySQL Server: Optimizer | Verified (14 days) | S5 | 9.7.0 | Any | Any | Join Not Eliminated When Constant Table is Empty Due to PrimaryKeyCol IN (NULL) Condition |
| 120480 | 2026-05-14 20:59 | 2026-05-20 23:19 | MySQL Server: Replication | Open (12 days) | S3 | 8.0.40 | Any | Any | Crash in set_and_validate_user_attributes during relay log recovery |
| 120477 | 2026-05-14 15:50 | 2026-05-18 10:26 | MySQL Server: Optimizer | Verified (14 days) | S5 | 9.7.0 | Any | Any | Index Not Used for HAVING Without GROUP BY or aggregate functions |
| 120476 | 2026-05-14 11:53 | 2026-05-18 8:25 | MySQL Server: Optimizer | Verified (14 days) | S2 | 9.6.0 | Linux | Any | Index Merge Union returns duplicate row for overlapping OR conditions, producing wrong result count |
| 120475 | 2026-05-14 9:09 | 2026-05-18 10:20 | MySQL Server: Optimizer | Verified (14 days) | S2 | 8.0.46 | Linux | Any | Index Merge Intersection incorrectly drops matching rows in SELECT with OR predicate, returning wrong result count |
| 120472 | 2026-05-14 4:07 | 2026-05-18 9:40 | MySQL Server: Optimizer | Verified (14 days) | S3 | 8.0.43 | Any | Any | Wrong Result After Removing Semantically Redundant RIGHT JOIN ... ON FALSE |
| 120471 | 2026-05-14 0:08 | 2026-05-18 9:15 | MySQL Server: Replication | Open (18 days) | S1 | 8.0.43, 8.0.46, 8.4.9, 9.7.0 | Any (reproduced on macOS and Linux) | Any | binary log violates read after write (commit) consistency |
| 120469 | 2026-05-13 17:00 | 2026-05-18 9:12 | MySQL Server: InnoDB storage engine | Open | S3 | Any | Any | Contribution: Fix ut_error() at ENABLE INNODB REDO_LOG when innodb_checkpo ... | |
| 120467 | 2026-05-13 15:57 | 2026-05-18 9:09 | MySQL Server: InnoDB storage engine | Open | S3 | 8.0.45 | Any | Any | dd_open_fk_tables function heap-use-after-free |
| 120465 | 2026-05-13 8:31 | 2026-05-28 1:13 | MySQL Server: Optimizer | Patch pending (14 days) | S3 | 8.0.46 | Any | Any | AVG(ASCII()) result truncated to 99.9999 with SQL_BUFFER_RESULT due to incorrect decimal precision |
| 120457 | 2026-05-12 15:03 | 2026-05-28 1:13 | MySQL Server: Optimizer | Patch pending (15 days) | S2 | 9.7 | CentOS | x86 | Hypergraph optimizer returns wrong results for LEFT JOIN LATERAL with SEMI JOIN when derived_merge |
| 120456 | 2026-05-12 15:02 | 2026-05-17 23:00 | MySQL Server: Optimizer | Verified (15 days) | S2 | 8.0.46 | Linux | Any | Semijoin Nested Loop index lookup uses raw VARCHAR keys against a DOUBLE B-tree, causing mismatches when the string over |
| 120441 | 2026-05-11 11:29 | 2026-05-12 2:31 | MySQL Server: InnoDB storage engine | Open (20 days) | S2 | trunk 8.0.24 8.4.9 | Any | Any | InnoDB btr_create() can hold page latches for a long time because buf_stat_per_index->inc() may synchronously run ut_loc |
| 120437 | 2026-05-11 8:47 | 2026-05-11 8:57 | MySQL Server: Information schema | Open (21 days) | S2 | 8.0.35, 8.4.8, 9.3.0, 9.7.0 | Any | Any | information_schema.partitions returns UINT64_MAX (18446744073709551615) for DATA_LENGTH of partition dropped during conc |
| 120435 | 2026-05-11 7:21 | 2026-05-19 14:18 | MySQL Server: DDL | Open | S3 | Any | Any | Add DDL Triggers Support in MySQL | |
| 120429 | 2026-05-10 7:04 | 2026-05-28 1:13 | MySQL Server: Optimizer | Documenting (21 days) | S2 | 9.7.0 | Windows (Windows Server 2022) | Any | IFNULL function does not handle NULL |
| 120422 | 2026-05-08 8:56 | 2026-05-08 8:56 | MySQL Server: Optimizer | Open | S2 | 9.7.0 (also reproducible in 8.0.x) | Any | Any | ORDER BY ignored when internal_tmp_mem_storage_engine = TempTable with GROUP BY on CTE |
| 120420 | 2026-05-08 8:19 | 2026-05-08 8:19 | MySQL Server: Optimizer | Open | S3 | 9.7.0 (also reproducible in 8.0.x) | Any | Any | ORDER BY ignored when internal_tmp_mem_storage_engine = TempTable with GROUP BY on temp table |
| 120419 | 2026-05-08 7:50 | 2026-05-08 19:26 | MySQL Server: Optimizer | Verified (24 days) | S3 | 8.0.46 | Linux | Any | rematerialized temptable cause wrong order |
| 120417 | 2026-05-08 6:22 | 2026-05-20 11:16 | MySQL Server: InnoDB storage engine | Open | S3 | 8.0.40 | Linux | x86 | MY-013028] [InnoDB] MySQL is freeing a thd though trx->n_mysql_tables_in_use is X and trx->mysql_n_tables_locked is Y |
| 120416 | 2026-05-08 0:28 | 2026-05-11 8:05 | MySQL Server: Documentation | Open | S3 | 8.4.9 | Any | Any | Missing system variable in document for 8.4 |
| 120414 | 2026-05-07 15:19 | 2026-05-11 12:42 | MySQL Server: InnoDB storage engine | Open (21 days) | S5 | 8.0.32 - 9.7 | Any | Any | InnoDB performance regression because of validate_rec_offset |
| 120410 | 2026-05-06 12:31 | 2026-05-06 12:31 | MySQL Enterprise Backup | Open | S3 | 9.7 | Windows (Windows Server 2022) | Any | MySQL Enterprise Backup fails on Windows when using component_keyring_aws |
| 120406 | 2026-05-06 4:46 | 2026-05-06 9:43 | MySQL Server: Documentation | Verified (26 days) | S3 | Any | Any | Inconsistent GBK-to-utf8mb4 conversion between implicit INSERT ... SELECT assignment and explicit CONVERT() | |
| 120403 | 2026-05-05 13:47 | 2026-05-28 1:13 | MySQL Server: Optimizer | Documenting (26 days) | S2 | 8.0.46, 8.4.9, 9.7.0 | Any | Any | Regression in MySQL 8.0.46, 8.4.9 & 9.7.0: WHERE equality condition fails to match existing row |
| 120400 | 2026-05-04 17:19 | 2026-05-04 17:46 | MySQL Server: Documentation | Open (28 days) | S3 | Any | Any | Docs for innodb_sort_buffer_size are wrong or confusing | |
| 120399 | 2026-05-04 9:31 | 2026-05-04 9:31 | MySQL Server: Packaging | Open | S2 | 9.7.0 | Any | Any | missing build dependency: lz4-devel |
| 120398 | 2026-05-04 9:29 | 2026-05-04 9:29 | MySQL Server: Packaging | Open | S2 | 9.7.0 | Any | Any | missing build dependency: libevent-devel |
| 120397 | 2026-05-04 9:27 | 2026-05-04 9:27 | MySQL Server: Packaging | Open | S2 | 9.7.0 | Any | Any | missing build dependency: libzstd-devel |
| 120396 | 2026-05-04 9:22 | 2026-05-04 9:22 | MySQL Server: Packaging | Open | S3 | 9.7.0 | Any | Any | Bogus dates in changelog |
| 120395 | 2026-05-04 6:49 | 2026-05-04 6:49 | MySQL Server: Documentation | Open | S3 | 9.7.0 | Any | Any | Documentation for enable_cascade_triggers has incorrect Scope and Dynamic attributes |
| 120394 | 2026-05-04 5:31 | 2026-05-04 5:31 | MySQL Server: Packaging | Open | S2 | 9.7.0 | Any | Any | missing build dependency: libedit-devel |
| 120389 | 2026-05-01 2:10 | 2026-05-27 6:49 | MySQL Server: Command-line Clients | Open | S3 | 9.7 | Any | Any | HELP result contains the link to MySQL 9.1 |
| 120388 | 2026-04-30 19:36 | 2026-05-01 9:44 | MySQL Server: InnoDB storage engine | Open | S5 | 8.4.9 | Oracle Linux (9.5) | x86 | High contention on InnoDB per-page BUF_BLOCK_MUTEX during concurrent range-selects to same row/page |
| 120377 | 2026-04-29 8:45 | 2026-04-29 10:47 | MySQL Server: Optimizer | Verified (33 days) | S3 | 8.0.43 (MySQL Community Server - GPL) | Any (Docker container) | Any (x86_64) | Incorrect row count in MySQL when using LATERAL derived table with DISTINCT and CASE |
| 120370 | 2026-04-28 16:33 | 2026-05-22 14:45 | MySQL Server: DDL | Open (10 days) | S2 | 8.0.46 | Any | Any | Regression (from 8.0.45) on Row size too large |
| 120363 | 2026-04-28 6:58 | 2026-04-30 8:28 | MySQL Server: Optimizer | Verified (32 days) | S3 | 8.0.43 | Any (Docker container) | Any (x86_64) | LEFT JOIN ON FALSE causes incorrect NULL comparison result in MySQL |
| 120362 | 2026-04-28 6:13 | 2026-04-28 9:37 | MySQL Server: Documentation | Verified (34 days) | S2 | 9.7.0 | Any | Any | Incorrect syntax for CREATE VIEW in docs |
| 120352 | 2026-04-27 9:34 | 2026-04-28 4:26 | MySQL Server: Optimizer | Verified (34 days) | S2 | 9.6.0 | Linux | Any | Prefix index with length 1 causes incorrect "Zero rows" optimization with float overflow literal in range condition |
| 120350 | 2026-04-27 8:35 | 2026-04-28 4:31 | MySQL Server: Optimizer | Verified (34 days) | S2 | 9.6.0 | Linux | Any | Prefix index on TEXT column causes range scan to miss qualifying rows in MySQL |
| 120348 | 2026-04-27 4:37 | 2026-04-30 12:52 | MySQL Server: Documentation | Open | S3 | 9.7 | Any | Any | Doc Request: What Is New in MySQL 9.7 between MySQL 8.4 LTS and MySQL 9.7 LTS |
| 120344 | 2026-04-26 6:43 | 2026-04-27 4:04 | MySQL Server: Optimizer | Verified (35 days) | S2 | 9.6.0 | Any | Any | VIEW and equivalent CTE return different results with UNION, YEAR(0), and repeated reference in subquery |
| 120340 | 2026-04-24 9:13 | 2026-04-24 9:13 | MySQL Server | Open | S3 | 8.0.43 (MySQL Community Server - GPL) | Any | Any | Inconsistent evaluation of NULLIF(ROUND(VAR_SAMP(...)), const) <= value between MySQL and PostgreSQL/DuckDB causes diffe |
| 120338 | 2026-04-23 20:37 | 2026-04-23 20:37 | MySQL Server: Documentation | Open | S3 | 9.6, 9.7 | Any | Any | What Is New in MySQL 9.7 manual page has contents from 9.5 |
| 120327 | 2026-04-23 7:46 | 2026-04-23 12:40 | MySQL Server: Replication | Open | S2 | MySQL 8.4 | Any | Any | Unsigned integer wraparound in Binlog_sender::run() when binlog_row_event_max_size is set to a large value |
| 120323 | 2026-04-22 12:51 | 2026-05-22 13:34 | MySQL Server: DDL | Verified (39 days) | S1 | 8.4.9 | Debian (12) | x86 | Regression : "Row size too large (> 8126)" error with table using InnoDb DYNAMIC row format |
| 120321 | 2026-04-22 8:52 | 2026-04-22 8:52 | MySQL Server: Documentation | Open | S3 | 9.7 | Any | Any | Typo in 9.7 doc describing about offline_mode |
| 120318 | 2026-04-22 6:31 | 2026-04-22 6:31 | MySQL Server: InnoDB storage engine | Open | S3 | 9.6.0 | Linux | Any | InnoDB partition statistics not auto-updated after ALTER TABLE REORGANIZE PARTITION |
| 120313 | 2026-04-21 17:11 | 2026-04-22 4:43 | MySQL Server: Optimizer | Verified (40 days) | S1 | 9.6 | Linux (Observed on Linux via the `mysql:9.6` ) | Any | Wrong result when only GROUP BY key order is changed in a join query with nested window-function input |
| 120312 | 2026-04-21 16:58 | 2026-04-22 4:40 | MySQL Server: Optimizer | Verified (40 days) | S2 | 9.6 | Linux (Observed on Linux via the `mysql:9.6` ) | Any | Wrong result for MIN(TIME) UNION ALL DATE after view extraction |
| 120311 | 2026-04-21 16:52 | 2026-04-22 4:38 | MySQL Server: Optimizer | Verified (40 days) | S2 | 9.6 | Linux (Observed on Linux via the `mysql:9.6` ) | Any | Wrong result for grouped SUM(DISTINCT ...) with DENSE_RANK() after view extraction |
| 120310 | 2026-04-21 16:45 | 2026-04-22 4:34 | MySQL Server: Optimizer | Verified (40 days) | S2 | 9.6 | Linux (Observed on Linux via the `mysql:9.6` ) | Any | Wrong result for MAX(BIT(8)) UNION ALL BLOB after view extraction in a window-function workload |
| 120308 | 2026-04-21 14:03 | 2026-04-22 4:27 | MySQL Server: Optimizer | Verified (40 days) | S2 | 9.6 | Linux (Observed on Linux via the `mysql:9.6` ) | Any | Wrong result for string-vs-`BIT` comparison in a window-function query |
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