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| ID# | Date | Updated | Type | Status | Sev | Version | OS | CPU | Summary |
|---|---|---|---|---|---|---|---|---|---|
| 121504 | 2026-10-14 12:30 | 2026-10-14 12:30 | MySQL Server: Federated storage engine | Open | S3 | 8.4.11 | Any | Any | FEDERATED: ER_NET_ERROR_ON_WRITE (1160) from closing a dead remote connection is returned to an unrelated statement |
| 121497 | 2026-10-13 16:44 | 2026-10-13 16:44 | MySQL Server: DDL | Open | S3 | 8.4.11, 9.7.2, 26.7.0 | Linux (official Docker images mysql:8.4.11, mysql:9.7.2, mysql:26.7.0) | x86 | ALTER TABLE rewrites CHECK (c = 0) on DATETIME to '0000-00-00 00:00:00' |
| 121483 | 2026-10-12 4:54 | 2026-10-12 5:44 | Connector / Python | Open (6 days) | S3 | 26.7.0 | MacOS (27.0.1) | ARM (M2 Mac) | AttributeError on Python 3.15: module ‘ssl’ has no attribute ‘PROTOCOL_TLSv1’ (mysql/connector/network.py) |
| 121525 | 2026-10-15 18:42 | 2026-10-15 18:42 | MySQL Workbench | Open | S1 | 26.7.0 | MacOS (27.0.1) | ARM (M4 Max) | Cannot connect to DigitalOcean MySQL 8.4 Managed Cluster with MySQL Workbench 26.7.0 |
| 121529 | 2026-10-16 7:40 | 2026-10-16 7:40 | MySQL Server: Optimizer | Open | S2 | 26.7.0, 26.10.0-er | Linux | Any | CASE WHEN TRUE changes the result of a DATETIME comparison with subquery |
| 121503 | 2026-10-14 10:21 | 2026-10-14 10:21 | Connector / NET | Open | S1 | Version: 26.7.0 | Windows (Windows (10 x64)) | Any | Concurrent TransactionScopes share one physical connection: failures, leaked open transactions, finalizer-thread crash |
| 121520 | 2026-10-15 13:46 | 2026-10-15 13:46 | Shell VSCode Extension | Open | S3 | Any | Any | Contribution: Fix Visual Explain to use the SQL editor session | |
| 121510 | 2026-10-15 5:01 | 2026-10-15 5:01 | MySQL Server: Data Types | Open | S3 | 26.10.0 (trunk 3b99be40) | Any | Any | CONV() truncates from_base and to_base to 32 bits: CONV('11', 4294967298, 10) = '3' instead of NULL |
| 121499 | 2026-10-14 3:38 | 2026-10-16 10:38 | MySQL Server | Need Feedback (2 days) | S3 | 8.0.46 | Windows | Any | count(column) is counting null values in some cases |
| 121500 | 2026-10-14 7:42 | 2026-10-14 7:42 | MySQL Server: Optimizer | Open | S2 | 26.7.0 | Linux | Any | CTE omits a row from a GROUP BY WITH ROLLUP result |
| 121519 | 2026-10-15 10:52 | 2026-10-15 10:52 | MySQL Workbench: SQL Editor | Open (3 days) | S3 | 26.7 | Windows | Any | ctrl+enter is different on workbench 26.7 |
| 121508 | 2026-10-15 4:52 | 2026-10-15 4:52 | MySQL Server: Data Types | Open | S3 | Any | Any | DATE_ADD/ADDDATE/SUBDATE/TIMESTAMPADD read an unsigned interval >= 2^63 as negative: ADDDATE(d, 18446744073709551614) = | |
| 121498 | 2026-10-13 17:00 | 2026-10-13 17:00 | MySQL Server: DDL | Open | S3 | 8.4.11, 9.7.2, 26.7.0 | Linux (official Docker images mysql:8.4.11, mysql:9.7.2, mysql:26.7.0) | x86 | DROP COLUMN silently drops CHECK constraints that use no column |
| 121512 | 2026-10-15 5:03 | 2026-10-15 5:03 | MySQL Server: Data Types | Open | S3 | 26.10.0 (trunk, 3b99be40), 26.7.0, 8.4.1 | Any | Any | ELT(N, ...) wraps N modulo 2^32 in numeric context: ELT(4294967297,1,2,3)+0 = 1 while ELT(4294967297,1,2,3) IS NULL |
| 121479 | 2026-10-11 15:43 | 2026-10-13 5:59 | MySQL Server: Optimizer | Verified (5 days) | S2 | 8.0.46, 8.4.11, 9.7.2, 26.07 | Ubuntu (24.04) | x86 (x86_64) | ERROR 1815 "Internal error: Key not found" for IN subquery comparing a unique key with (out-of-range constant < column) |
| 121511 | 2026-10-15 5:02 | 2026-10-15 5:02 | MySQL Server: Data Types | Open | S3 | 26.10.0 (trunk 3b99be40) | Any | Any | FORMAT(X, D) takes D modulo 2^32: FORMAT(1.5, 4294967298) = '1.50' and FORMAT(1.5, 2147483648) = '2' |
| 121532 | 2026-10-16 10:10 | 2026-10-16 10:11 | MySQL Server: InnoDB storage engine | Open | S5 | Any | Any | InnoDB: narrow LRU list mutex scope in buf_page_init_for_read() and fix LRUItr::start() scan restart | |
| 121509 | 2026-10-15 5:00 | 2026-10-15 5:00 | MySQL Server: Data Types | Open | S3 | 26.10.0 (trunk 3b99be40) | Any | Any | Integer >= 2^63 converted to TIME is read as signed: CAST(18446744073709551614 AS TIME) = -00:00:02, TIME_TO_SEC() = -2 |
| 121531 | 2026-10-16 9:20 | 2026-10-16 9:20 | MySQL Server | Open | S2 | 26.7.0 | Any | Any | IP address validation functions incorrectly return 0 instead of NULL for integer-typed NULL arguments |
| 121493 | 2026-10-13 7:22 | 2026-10-13 14:51 | Shell Upgrade Checker | Verified (5 days) | S3 | 8.0.36 | Red Hat | x86 | MySQL Shell Upgrade Checker reports 3 errors but output identifies only 1 actual error during upgrade validation |
| 121527 | 2026-10-16 7:03 | 2026-10-16 7:03 | MySQL Utilities: Binlog Events | Open | S3 | 8.4, 8.0 | Any | Any | redundant Table_map events in the binlog when triggers are present |
| 121522 | 2026-10-15 18:30 | 2026-10-15 18:30 | MySQL Server: DML | Open | S3 | 26.10.0 (trunk, 3b99be40), 26.7.0, 8.4.1 | Any | Any | REGEXP_INSTR/REGEXP_SUBSTR/REGEXP_REPLACE truncate pos and occurrence to 32-bit int: occurrence 4294967298 acts as 2 |
| 121507 | 2026-10-15 3:22 | 2026-10-16 18:13 | MySQL Server: DML | Open | S2 | 8.0.36 | Any | Any | REPLACE statement fails with ERROR 1062 |
| 121535 | 2026-10-16 16:53 | 2026-10-16 16:53 | MySQL Server | Open | S1 | 9.7.2 | Any | Any | Server crash on DML checking a foreign key that references a non-unique/partial key |
| 121491 | 2026-10-12 19:03 | 2026-10-12 19:03 | MySQL Server: Foreign Keys | Open | S5 | 9.6.0 | MacOS (Homebrew build, x86_64) | Any | SQL-layer FKs prepare ON UPDATE CASCADE for UPDATEs that don't touch referenced columns |
| 121523 | 2026-10-15 18:32 | 2026-10-15 18:32 | MySQL Server: GIS | Open | S3 | 26.10.0 (trunk, 3b99be40), 26.7.0, 8.4.1 | Any | Any | ST_PointN / ST_GeometryN / ST_InteriorRingN take N modulo 2^32: ST_PointN(ls, 4294967297) returns the first point instea |
| 121524 | 2026-10-15 18:33 | 2026-10-15 18:33 | MySQL Server: GIS | Open | S3 | 26.10.0 (trunk, 3b99be40), 26.7.0, 8.4.1 | Any | Any | ST_Transform() truncates the target SRID to 32 bits: ST_Transform(g, 4294971526) transforms to SRID 4230 instead of rais |
| 121513 | 2026-10-15 5:12 | 2026-10-15 5:12 | MySQL Server: Data Types | Open | S3 | 26.10.0 (trunk, 3b99be40), 26.7.0, 8.4.1 | Any | Any | TIME string parser takes the hour, minute and second fields modulo 2^64: CAST('18446744073709551635:40:27' AS TIME) = 19 |
| 121515 | 2026-10-15 7:58 | 2026-10-15 7:58 | MySQL Server | Open | S2 | 26.7.0 | Any | Any | Unexpected NUL-byte padding in EXCEPT result involving numeric BIT_XOR() and SUBTIME() |
| 121494 | 2026-10-13 10:42 | 2026-10-16 18:50 | MySQL Server: InnoDB storage engine | Open | S2 | 8.0.36 | Any | Any | UPDATE statement fails with a duplicate-key error but partially applies changes to the table |
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