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| ID# | Date | Updated | Type | Status | Sev | Version | OS | CPU | Summary |
|---|---|---|---|---|---|---|---|---|---|
| 121318 | 2026-09-18 15:49 | 2026-09-18 15:51 | MySQL Workbench | Open | S3 | 8.0.47 CE build 5817297 (64 bit) | Linux ((Linux Mint 21 / Ubuntu 22.04 base), x86_64) | Other (x86_64) | Schema tree metadata refresh holds user connection mutex, stalling queries N x RTT |
| 121302 | 2026-09-17 6:34 | 2026-09-20 2:31 | MySQL Server: Information schema | Open (1 day) | S1 | 8.4.11;8.0.46;8.0.44;8.0.36 | Any | x86 | Server hangs: INSTALL PLUGIN (I_S plugin) re-locks LOCK_plugin via DD attachable transaction |
| 121292 | 2026-09-16 8:29 | 2026-09-16 10:39 | MySQL Server: Optimizer | Verified (5 days) | S2 | 8.4.11 (LTS), 9.7.2, 26.7.0 (current) — | Any (observed on Linux x86_64, Ubuntu 22.04.2 LTS, kernel 5.15.0-187-generic;) | Any (Any (observed on x86)) | INTERSECT ALL / EXCEPT ALL lose duplicate counts when the hash set operation spills to disk |
| 121271 | 2026-09-12 2:30 | 2026-09-12 2:31 | MySQL Server: Optimizer | Open | S5 | 9.7.1 | Ubuntu (22.04.4 LTS) | x86 (Intel(R) Xeon(R) Gold 5220 CPU @ 2.20GHz) | Equivalent range-predicate rewrite exposes ORDER BY cost-ranking inversion: 2.9x higher-cost plan runs 2.85x faster |
| 121211 | 2026-09-02 11:59 | 2026-09-02 12:03 | MySQL Server: Storage Engines | Open | S3 | 9.7.2 | Any | Any | InnoDB INPLACE table rebuild corrupts a spatial index after a scan latch release |
| 121144 | 2026-08-20 11:08 | 2026-08-20 11:20 | MySQL Server: Performance Schema | Open (32 days) | S2 | 8.4.4 (Any) | Any | Any | Performance Schema reports ROWS_EXAMINED inside stored programs wrongly as a running total |
| 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 |
| 121113 | 2026-08-18 9:22 | 2026-08-19 14:23 | MySQL Server: Optimizer | Verified (33 days) | S3 | 8.0.46, 8.4.11, 9.7.2 | Any | Any | `JSON_QUOTE()` metadata overflow truncates valid output |
| 121111 | 2026-08-18 9:15 | 2026-08-19 8:24 | MySQL Server: Optimizer | Verified (33 days) | S3 | 8.0.46, 8.4.11, 9.7.2 | Any | Any | Hex Result Metadata Uint32 Wrap |
| 121047 | 2026-08-01 1:37 | 2026-08-01 1:37 | MySQL Server: Data Dictionary | Open | S2 | 8.0 | Linux | x86 | Replica crash in `dd_first_index` on empty `dd::Table::indexes()` collection under concurrent DD |
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