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| ID# | Date | Updated | Type | Status | Sev | Version | OS | CPU | Summary |
|---|---|---|---|---|---|---|---|---|---|
| 121166 | 2026-08-25 1:41 | 2026-08-25 1:43 | MySQL Server: InnoDB storage engine | Open | S2 | 8.0.30 | Any | Any | concurrent updates make FK ON UPDATE CASCADE miss child rows |
| 121163 | 2026-08-23 8:00 | 2026-08-23 8:58 | MySQL Server: Command-line Clients | Open (2 days) | S1 | 9.7.1 | Any | Any | mysqldump discards time_zone and sql_mode, silently changing generated column data |
| 121162 | 2026-08-23 7:59 | 2026-08-23 7:59 | MySQL Server: Partitions | Open | S1 | 9.7.1 | Any | Any | EXCHANGE PARTITION definition check ignores expressions and CHECK constraints |
| 121160 | 2026-08-23 7:40 | 2026-08-23 12:40 | MySQL Server | Open (2 days) | S2 | 9.7.1 | Any | Any | VIEW materialization changes AVG(INT) decimal scale across UNION ALL |
| 121158 | 2026-08-23 6:41 | 2026-08-23 7:55 | MySQL Server: DDL | Open (2 days) | S1 | 9.7.1 | Any | Any | ALTER COLLATE skips validation of UNIQUE functional index, leaving duplicate keys |
| 121157 | 2026-08-23 6:37 | 2026-08-23 6:40 | MySQL Server: Optimizer | Open (2 days) | S1 | 9.7.1 | Any | Any | Timezone-dependent generated column breaks UNIQUE and makes table unrestorable |
| 121155 | 2026-08-22 15:02 | 2026-08-22 15:02 | MySQL Server: Optimizer | Open | S2 | 9.7.1 | Any | Any | MySQL loses LEFT JOIN preserved rows when an empty temporary table is used with DISTINCT and a window function |
| 121154 | 2026-08-22 10:17 | 2026-08-22 10:17 | MySQL Server: Optimizer | Open | S2 | 9.7.1 | Any | Any | CTE derived merge incorrectly preserves a NULL-complemented LEFT JOIN row rejected by the WHERE predicate |
| 121153 | 2026-08-22 6:36 | 2026-08-22 10:52 | MySQL Server: Data Types | Not a Bug (3 days) | S2 | 9.7.1 | Any | Any | Materializing a UNION prefix in a CTE changes TIME values in the final UNION result |
| 121152 | 2026-08-22 6:09 | 2026-08-22 6:09 | MySQL Server: Optimizer | Open | S3 | 9.7.1 | Any | Any | CTE merge incorrectly loses the first alias when a BIT column is projected twice with different aliases |
| 121151 | 2026-08-22 2:15 | 2026-08-24 4:36 | MySQL Server: Documentation | Open (1 day) | S3 | 8.4.5 | Any | Any | InnoDB Locking docs don't qualify the unique-index equality gap-lock guarantee for IN (...) lists |
| 121150 | 2026-08-21 15:17 | 2026-08-25 5:54 | MySQL Server: Connection Handling | Open | S3 | Any | Any | Contribution: Shrink NET::buff to reduce memory usage | |
| 121149 | 2026-08-21 13:17 | 2026-08-21 20:37 | MySQL Server: Optimizer | Verified (4 days) | S2 | 9.7.1 | Any | Any | MySQL temporal implicit conversion changes `TIMEDIFF` predicate results after materialization |
| 121147 | 2026-08-21 4:11 | 2026-08-21 20:40 | MySQL Server: Optimizer | Verified (4 days) | S3 | 9.7.1 | Ubuntu (22.04) | Any | QUOTE() incorrectly treated as null-rejecting in outer joins |
| 121145 | 2026-08-20 11:33 | 2026-08-21 6:44 | MySQL Server: Optimizer | Verified (4 days) | S3 | 8.0 | Ubuntu (22.04) | Any | COUNT(DISTINCT UUID()) / RAND() returns 1 under implicit grouping |
| 121144 | 2026-08-20 11:08 | 2026-08-20 11:20 | MySQL Server: Performance Schema | Open (5 days) | S2 | 8.4.4 (Any) | Any | Any | Performance Schema reports ROWS_EXAMINED inside stored programs wrongly as a running total |
| 121142 | 2026-08-20 1:50 | 2026-08-20 5:21 | MySQL Server: Optimizer | Duplicate (5 days) | S1 | 8.0.41, 8.4.11, 9.4.0, 9.7.1 | Any | Any | group skip scan for deduplication collapses each group to one row before a semijoin/antijoin condition on a later index |
| 121141 | 2026-08-20 1:50 | 2026-08-20 5:26 | MySQL Server: Optimizer | Verified (5 days) | S1 | 8.0.46, 8.4.11, 9.7.2 | Any | Any | group skip scan for deduplication collapses each group to one row before a semijoin/antijoin condition on a later index |
| 121129 | 2026-08-19 13:44 | 2026-08-19 13:44 | MySQL Utilities: Binlog Events | Open | S3 | 8.4.0 | Any | Any | The binlog event inconsistency error |
| 121126 | 2026-08-19 11:43 | 2026-08-19 11:43 | MySQL Server | Open | S3 | 8.4.10 | Any | Any | Prepared Cast Unsigned Parameter Truncation |
| 121125 | 2026-08-19 9:36 | 2026-08-19 9:36 | MySQL Server | Open | S1 | 8.0.38 | Windows (Windows 11) | x86 | Mysql gets corrupted whenever the windows system gets restarted |
| 121124 | 2026-08-19 8:10 | 2026-08-19 8:10 | MySQL Server: DDL | Open | S3 | 8.0.46 | Any | Any | Unrelated CHECK on DATETIME prevents INSTANT/INPLACE ENUM extension |
| 121122 | 2026-08-19 5:49 | 2026-08-19 5:55 | MySQL Server: Performance Schema | Open | S3 | 26.7.0 | Any | Any | Race in Performance Schema shared memory-stat capacity accounting can underflow size_t and corrupt high/low watermarks |
| 121120 | 2026-08-19 4:50 | 2026-08-19 4:51 | MySQL Server: DDL | Open (6 days) | S3 | 9.7.2 | Any | Any | INPLACE utf8mb3-to-utf8mb4 conversion corrupts unindexed CHAR in REDUNDANT tables |
| 121116 | 2026-08-18 11:25 | 2026-08-18 11:25 | MySQL Server: Partitions | Open | S2 | 9.7.1 | MacOS | ARM | index scan on a subpartitioned table silently omits rows when a secondary index contains a VIRTUAL generated column |
| 121115 | 2026-08-18 11:00 | 2026-08-18 11:08 | MySQL Server: DDL | Open | S3 | 9.7.2 | Any | Any | Online rebuild can corrupt REDUNDANT CHAR records after utf8mb3-to-utf8mb4 conversion |
| 121114 | 2026-08-18 10:00 | 2026-08-19 14:31 | MySQL Server: Security: Audit | Open (6 days) | S3 | 8.4.11 | Linux | Any | Audit plugin invoked once per sub-statement for stored routines via prepared statements |
| 121113 | 2026-08-18 9:22 | 2026-08-19 14:23 | MySQL Server: Optimizer | Verified (6 days) | S3 | 8.0.46, 8.4.11, 9.7.2 | Any | Any | `JSON_QUOTE()` metadata overflow truncates valid output |
| 121112 | 2026-08-18 9:20 | 2026-08-19 14:17 | MySQL Server: Optimizer | Verified (6 days) | S3 | 8.0.46, 8.4.11, 9.7.2 | Any | Any | Character-set conversion metadata overflow causes silent data loss |
| 121111 | 2026-08-18 9:15 | 2026-08-19 8:24 | MySQL Server: Optimizer | Verified (6 days) | S3 | 8.0.46, 8.4.11, 9.7.2 | Any | Any | Hex Result Metadata Uint32 Wrap |
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