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| ID# | Date | Updated | Type | Status | Sev | Version | OS | CPU | Summary |
|---|---|---|---|---|---|---|---|---|---|
| 109334 | 2022-12-12 0:33 | 2026-05-28 1:13 | MySQL Server: InnoDB storage engine | In progress (1423 days) | S3 | 8.0.31, 8.4.7, 9.5.0 | Any | Any | Incorrect index cardinality when innodb_stats_method=nulls_ignored |
| 119418 | 2025-11-18 8:23 | 2025-11-25 11:21 | MySQL Server: MyISAM storage engine | Open (345 days) | S3 | 8.4.7 | Any | Any | MyISAM ALTER TABLE random fails |
| 119448 | 2025-11-24 5:02 | 2025-11-24 5:02 | Licensing | Open | S3 | 8.4.7 | Any | Any | MySQL 8.4.7 License is old and not updated |
| 119456 | 2025-11-25 6:52 | 2026-06-25 8:48 | MySQL Server: Optimizer | Patch pending (342 days) | S3 | 8.0.44, 8.4.7, 9.5 | Any | Any | Query block name uses mixed decimal/hexadecimal in optimizer trace and hint |
| 119489 | 2025-12-02 4:44 | 2025-12-02 4:46 | MySQL Server: Replication | Open (338 days) | S3 | 8.4.7 | Any | Any | GTID tags can violate restrictions |
| 120941 | 2026-07-16 2:34 | 2026-07-16 3:21 | MySQL Server: InnoDB storage engine | Open (112 days) | S3 | 8.4.7-7 | Any | Any | Contribution by ByteDance RDS MySQL team: InnoDB may permanently skip an undo record during shutdown |
| 120104 | 2026-03-19 7:36 | 2026-03-30 7:32 | MySQL Server: DDL | Open (220 days) | S3 | 8.4.7 | Any | Any | Modify VARCHAR column leads to unexpected rebuild of table |
| 119558 | 2025-12-16 8:39 | 2025-12-16 8:57 | MySQL Server: Replication | Open (324 days) | S3 | 8.4.7 | Any | Any | SHOW BINLOG EVENTS fails with Event too big |
| 119986 | 2026-03-05 11:29 | 2026-05-15 12:08 | MySQL Server: InnoDB storage engine | Open (244 days) | S3 | 8.4.7 | Any | Any | Value of sys var temptable_max_mmap not honored unless temptable_use_mmap is ON |
| 119624 | 2026-01-05 12:51 | 2026-06-07 23:00 | MySQL Server: Packaging | Open | S3 | 8.4.7 | Red Hat (RHEL 7.x) | x86 | mysql-community-8.4.7-1.el7.src.rpm installs an unexpected mysql-5.6.51.tar.gz into SOURCES |
| 119625 | 2026-01-05 13:03 | 2026-06-16 16:42 | MySQL Router | Verified (142 days) | S3 | MySQL Router: 8.4.7 (MySQL Community - G | Linux (RHEL 7.x) | x86 | MySQL Router 8.4.7 logs max_total_connections=512 while InnoDB Cluster metadata shows max_total_connections=1000 |
| 119633 | 2026-01-06 19:55 | 2026-02-25 10:33 | MySQL Router | Open | S3 | 8.4.7 | Red Hat (9.5) | x86 | MySQL Router crashes (SIGSEGV) in cno_when_h1_head when REST API receives empty/malformed HTTP request |
| 119850 | 2026-02-06 9:40 | 2026-02-06 9:40 | MySQL Server: Components / Services | Open | S3 | 8.4.7 | Any | Any | Confusing note from component_keyring_file when audit log filter is installed |
| 112704 | 2023-10-12 12:19 | 2026-08-27 23:47 | MySQL Server: Optimizer | Verified (336 days) | S2 | 8.0, 8.4.7 | Any | Any | CTE query got internal table doesn't exist error with small tmp_table_size |
| 121010 | 2026-07-27 7:15 | 2026-07-27 7:15 | MySQL Server: User-defined functions ( UDF ) | Open | S2 | 8.4.7-7 | Any | Any | Contribution by ByteDance RDS MySQL team: mysqld crashes on keyring_key_store UDF return-type mismatch |
| 120005 | 2026-03-08 0:14 | 2026-03-10 8:04 | MySQL Server: Optimizer | Verified (240 days) | S2 | 8.4.7 | Any | Any | Wrong results with subquery with semijoin=on and antijoin optimization |
| 119621 | 2026-01-05 11:11 | 2026-02-24 12:06 | MySQL Server: JSON | Verified (254 days) | S2 | 8.0.43 / 8.4.7 | Any | Any | query on partitioned table report "the JSON binary value contains invalid data" |
| 119471 | 2025-11-27 17:03 | 2026-05-06 17:03 | MySQL Server: Connection Handling | Open (183 days) | S2 | 8.4.7 | Ubuntu (25.10 questing) | x86 (64 bits) | "Bad handshake" during each connection to a replication source server |
| 119586 | 2025-12-23 9:09 | 2025-12-26 16:50 | MySQL Server: Data Types | Verified (314 days) | S1 | 8.4.7 | Any | Any | Inconsistent results for date conversion |
| 119530 | 2025-12-09 12:38 | 2025-12-11 9:31 | MySQL Server: Optimizer | Verified (329 days) | S1 | 8.4.7 | Any | Any | Incorrect results for NULLIF functions |
| 119491 | 2025-12-02 8:21 | 2025-12-08 21:10 | MySQL Server: Optimizer | Verified (332 days) | S1 | 8.4.7 | Any | Any | Incorrect results for make_set operation against longtext column |
| 121044 | 2026-07-31 10:50 | 2026-07-31 11:01 | MySQL Server: InnoDB storage engine | Open (97 days) | S1 | 8.0.44, 8.0.45, 8.4.7, 8.4.8 | Linux (Official mysql Docker image (Oracle Linux 9); also Azure Database for MySQL Flexible Server) | ARM (aarch64 (local repro); production/test instances affected are x86_64) | mysqld crashes (signal 11) building multi-valued index via ALTER TABLE on JSON column holding both empty and non-empty a |
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