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| ID# | Date | Updated | Type | Status | Sev | Version | OS | CPU | Summary |
|---|---|---|---|---|---|---|---|---|---|
| 120256 | 2026-04-13 11:44 | 2026-04-13 12:48 | MySQL Server: Optimizer | Verified | S2 | 8.4.8 | Any | Any | CREATE VIEW materialization turns zero datetime values into runtime timestamps in UNION ALL output |
| 120254 | 2026-04-13 10:04 | 2026-04-13 10:04 | MySQL Server: Optimizer | Open | S1 | 9.6.0 | Any | Any | Equivalent queries show different behavior due to short-circuit optimization failure |
| 115524 | 2024-07-05 10:13 | 2026-04-13 9:19 | MySQL Server: Data Dictionary | Verified (635 days) | S3 | 8.0.38, 9.0.0 | Any | Any | key_object_cache_mutex and key_object_loading_cond are not registered |
| 108513 | 2022-09-16 0:58 | 2026-04-11 7:14 | MySQL Server: Compiling | Verified (1305 days) | S2 | 8.0.21 | Any | Any | Return value of get_instance() not get checked |
| 120244 | 2026-04-10 12:40 | 2026-04-10 13:51 | MySQL Server: DDL | Open | S1 | 9.6.0 | Any | Any | Unexpected error `'0' for column '' at row -1` triggered by ALTER |
| 119198 | 2025-10-20 19:44 | 2026-04-10 11:28 | MySQL Server: Optimizer | Verified (173 days) | S2 | 8.4.6 | Any | Any | Optimizer with reverse index range scan gives incorrect query result |
| 120223 | 2026-04-07 12:06 | 2026-04-09 19:33 | MySQL Server: Data Types | Verified (4 days) | S2 | 9.6.0 | Linux | Any | VECTOR(0) silently accepted, produces unusable column with corrupted metadata (dimension 4294967295) |
| 120222 | 2026-04-07 12:02 | 2026-04-09 19:30 | MySQL Server: Data Types | Verified (4 days) | S2 | 9.6.0 | Linux | Any | VECTOR(n) dimension silently wraps to wrong value due to integer overflow in parser |
| 120128 | 2026-03-23 8:14 | 2026-04-08 9:03 | MySQL Server: Replication | Verified (5 days) | S3 | 8.0.* | Any | Any | When explicit_defaults_for_timestamp is off, inserting a null value causes replication exceptions. |
| 120232 | 2026-04-08 7:07 | 2026-04-08 7:07 | MySQL Cluster: Cluster (NDB) storage engine | Open | S3 | MySQL NDB Cluster 9.3.0-cluster | Linux | Any | NDB 9.3.0-cluster may briefly lose stable SQL/API socket readiness after full-cluster restart |
| 120230 | 2026-04-08 4:35 | 2026-04-08 4:35 | MySQL Cluster: Cluster (NDB) storage engine | Open | S3 | MySQL NDB Cluster 9.3.0-cluster | Any | Any | brief post-restart SQL/API readiness instability after TimeBetweenEpochs change |
| 120229 | 2026-04-08 3:08 | 2026-04-08 3:08 | MySQL Cluster: Cluster (NDB) storage engine | Open | S3 | MySQL NDB Cluster 9.3.0-cluster | Linux | Any | NDB 9.3.0-cluster shows inconsistent post-restart readines |
| 52901 | 2010-04-16 19:49 | 2026-04-05 20:45 | MySQL Server: General | Verified (5833 days) | S3 | 5.1.45-1 (Debian) | Linux | Any | Key_blocks_unused counter incorrect |
| 107852 | 2022-07-12 19:18 | 2026-04-05 20:45 | MySQL Server: Command-line Clients | Open (786 days) | S3 | 8.0.26 | Any (Linux and OSX) | x86 | MySQL client does not detect closed connection properly |
| 50378 | 2010-01-15 17:34 | 2026-04-05 20:45 | MySQL Server: Options | Verified (5929 days) | S2 | 5.0.77, 5.0, 5.1 bzr | Linux (RHEL 5.4) | Any | Uptime_since_flush_status has an abnormally large value |
| 53752 | 2010-05-18 13:47 | 2026-04-05 20:45 | Tools: Random Query Generator | Verified (5809 days) | S2 | bzr | Any | Any | Simplifier unable to produce test file upon simplifying a crash |
| 120203 | 2026-04-02 2:35 | 2026-04-04 19:49 | MySQL Server: Optimizer | Verified (9 days) | S2 | 8.0.45 | Any | Any | MySQL returns an incorrect result for an indexed comparison between an `INT` column and a non-integer function value. |
| 120208 | 2026-04-03 7:57 | 2026-04-03 11:28 | MySQL Server: DML | Need Feedback (10 days) | S1 | 8.0.28 | Any (Aurora MySQL 3.04.4) | Any | SIGSEGV crash in TABLE_LIST::query_block_id_for_explain() when running EXPLAIN on CTE (WITH clause) query |
| 119780 | 2026-01-26 14:40 | 2026-04-03 10:54 | MySQL Server: Optimizer | Verified (77 days) | S3 | 8.0.44 | Ubuntu (22.04) | Any | UNION ALL + AND + WHERE IS UNKNOWN query results are incorrect |
| 120196 | 2026-03-31 23:50 | 2026-04-03 6:23 | MySQL Server: InnoDB storage engine | Open | S3 | 9.6.0 | Any | Any | n_mysql_tables_in_use uint32 underflow via MRR dsmrr_init() error path in handler.cc |
| 120191 | 2026-03-31 13:32 | 2026-03-31 13:32 | MySQL Server | Open | S3 | 8.0.43 (MySQL Community Server - GPL) | Any (Docker container) | Any (x86_64) | TLP bug: Incorrect result under Ternary Logic Partitioning (TLP) with complex RIGHT JOIN chains |
| 120174 | 2026-03-28 9:25 | 2026-03-29 20:21 | MySQL Server: Optimizer | Verified (15 days) | S3 | 8.0.45 | Ubuntu (22.04) | Any | Incorrect empty result for BETWEEN on binary string columns when a UNIQUE index is used |
| 120158 | 2026-03-26 6:04 | 2026-03-29 19:37 | MySQL Server: Optimizer | Verified (15 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)) | Incorrect result (NULL included) in index lookup/MAX() on FLOAT ZEROFILL column when filtering by 0.0 |
| 115136 | 2024-05-27 9:01 | 2026-03-27 10:35 | MySQL Server: InnoDB storage engine | Verified (17 days) | S2 | 8.0，8.4 | Any | Any | Skip value when add an auto_increment column |
| 119309 | 2025-11-05 13:37 | 2026-03-27 8:44 | MySQL Server: Partitions | Verified (83 days) | S3 | 8.0.42 | Any | Any | An insert prepared statement fails to write across partitions |
| 120142 | 2026-03-25 3:09 | 2026-03-25 20:29 | MySQL Server: JSON | Verified (19 days) | S3 | 8.0.45 | Any | Any | Incorrect result with DISTINCTROW and JSON_OBJECTAGG when replacing COALESCE(SUM(NULL),0) with constant |
| 120145 | 2026-03-25 6:05 | 2026-03-25 19:22 | MySQL Server: Optimizer | Verified (19 days) | S2 | 8.0.45 | Linux (ubuntu 20.04) | x86 | Incorrect empty result after relocating a HAVING predicate into a derived-table boolean column with WHERE ref1 |
| 120153 | 2026-03-25 16:15 | 2026-03-25 16:18 | MySQL Server: Options | Open | S3 | 9.5 | Any | Any | Wrong default value for default_collation_for_utf8mb4 |
| 120075 | 2026-03-16 14:26 | 2026-03-25 12:47 | MySQL Server: Optimizer | Verified (26 days) | S1 | 8.0.45 | Linux (ubuntu 20.04) | x86 | Silent Data Truncation of DOUBLE (DBL_MAX) in Subqueries/Temporary Tables |
| 120146 | 2026-03-25 6:22 | 2026-03-25 6:22 | MySQL Server: Storage Engines | Open | S2 | 9.6.0 | Linux (ubuntu 20.04) | x86 | Wrong result due to incorrect const-table pruning for NOT IN on FLOAT UNIQUE column in MEMORY engine |
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