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| ID# | Date | Updated | Type | Status | Sev | Version | OS | CPU | Summary |
|---|---|---|---|---|---|---|---|---|---|
| 121239 | 2026-09-07 1:17 | 2026-09-07 7:30 | MySQL Server: Optimizer | Verified (13 days) | S2 | 8.0.46 | Any | Any | Wrong result: the same CTE returns inconsistent cardinality across consumers with UNION/EXCEPT |
| 121240 | 2026-09-07 3:00 | 2026-09-07 9:15 | MySQL Server: Data Types | Verified (13 days) | S3 | 8.4.11 | Linux (Oracle Linux Server 9.8; mysql:8.4.11 Docker image via Docker Desktop on Windows/WSL2) | x86 (x86_64 / amd64) | Scientific-notation strings: integer casts differ from arithmetic conversion |
| 121249 | 2026-09-09 14:28 | 2026-09-17 9:03 | MySQL Server: Optimizer | Verified (10 days) | S2 | 8.0.46, 8.4.11, 9.7.2 | Linux | x86 | With sql_buffer_result=ON, IN / quantified (ANY/ALL/SOME) subquery predicates in the SELECT list evaluate to NULL |
| 121269 | 2026-09-12 0:19 | 2026-09-14 10:55 | MySQL Server: Optimizer | Verified (6 days) | S2 | 9.7 | Any | Any | Incorrect result from IN comparison involving CONCAT() and a scalar subquery |
| 121270 | 2026-09-12 0:47 | 2026-09-14 11:22 | MySQL Server: Optimizer | Verified (6 days) | S3 | 8.0.45 | Any | Any | COUNT(DISTINCT ...) incorrectly counts a NULL result from AES_ENCRYPT() when its argument is a scalar subquery |
| 121272 | 2026-09-12 14:16 | 2026-09-14 11:39 | MySQL Server: Optimizer | Verified (6 days) | S3 | 8.0.45 | MacOS (MacOS 26.5.2, using Homebrew) | ARM | Incorrect ORDER BY when using GROUP BY, GROUP_CONCAT() and COUNT(id) OVER() |
| 121281 | 2026-09-14 14:08 | 2026-09-16 15:06 | MySQL Server: Optimizer | Verified (4 days) | S3 | 8.4.11 - 9.4 | Any | Any | Wrong results in multi-join queries due to derived merge |
| 121290 | 2026-09-16 7:08 | 2026-09-16 11:23 | MySQL Server: DDL | Verified (4 days) | S3 | 8.4.11, 9.7.2, 26.7.0 | Any | Any | CTAS with a JSON expression results in literal NULL default, broken SHOW CREATE TABLE |
| 121292 | 2026-09-16 8:29 | 2026-09-16 10:39 | MySQL Server: Optimizer | Verified (4 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 |
| 121295 | 2026-09-16 13:35 | 2026-09-17 8:58 | MySQL Server: JSON | Verified (3 days) | S3 | Any | Any | JSON_ARRAY() returns different JSON types for equivalent TRUE expressions when one expression is a table-referencing sca |
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