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| ID# | Date | Updated | Type | Status | Sev | Version | OS | CPU | Summary |
|---|---|---|---|---|---|---|---|---|---|
| 60351 | 2011-03-04 22:15 | 2013-01-15 15:27 | MySQL Server | Verified (4897 days) | S5 | 5.1.55 | Any | Any | trim same character processes data only byte wise (continue of bug14637 (4)) |
| 120180 | 2026-03-30 13:32 | 2026-06-04 8:39 | MySQL Server | Open (9 days) | S2 | 8.0.43 (MySQL Community Server - GPL) | Any (Docker container) | Any (x86_64) | NoREC Bug: COUNT(*) and SUM(CASE WHEN ...) return inconsistent results with string-length expression and NULL-sensitive |
| 119431 | 2025-11-20 7:59 | 2025-11-20 7:59 | MySQL Server | Open | S3 | 8.0.30, 8.0.39 | Any | Any | Concurrent inserts generate duplicate AUTO_INCREMENT values after changing auto_increment settings |
| 117906 | 2025-04-08 7:11 | 2025-04-15 4:23 | MySQL Server | Verified (424 days) | S3 | 8.0, 8.4 | Any | Any | User Defined Functions (UDF) have documented char *is_null, *error, however defined as unsigned char * |
| 110519 | 2023-03-28 0:31 | 2023-03-28 13:06 | MySQL Server | Verified (1173 days) | S3 | 8.0.28-8.0.32 | Any | Any | Wrong Allowed Values range for connection_memory_chunk_size in documentation. |
| 90813 | 2018-05-09 20:11 | 2021-07-04 9:18 | MySQL Server | Analyzing (2955 days) | S3 | 5.6.40 | CentOS (7.3) | Any | Timezone not correctly read from host |
| 86405 | 2017-05-22 13:09 | 2017-05-31 14:10 | MySQL Server | Verified (3300 days) | S3 | 5.6.36-1 | Red Hat (el7, x64) | Any | Stored procedure execution affected by query select in information_schema.tables |
| 81045 | 2016-04-12 9:55 | 2016-04-13 18:25 | MySQL Server | Verified (3714 days) | S1 | 5.6 | Debian (Jessie) | Any | Debian packages broken (mysql-common and libmysqlclient18) in mysql 5.6 |
| 77050 | 2015-05-15 14:17 | 2015-05-22 15:01 | MySQL Server | Verified (4044 days) | S3 | 5.6.24, 5.6.26, 5.7.8 | Any | Any | Syntax error if index type specified |
| 74640 | 2014-10-30 18:24 | 2014-10-30 20:39 | MySQL Server | Verified | S3 | 5.6.20 | Any | Any | There is no way to view MyISAM secondary key cache existence or usage |
| 72286 | 2014-04-09 8:49 | 2025-12-07 20:45 | MySQL Server | Verified (4448 days) | S3 | 5.6+ | Any | Any | server-system-variables.html and "Dynamic variable" setting is incomplete |
| 120187 | 2026-03-31 11:46 | 2026-06-04 8:40 | MySQL Server | Open (9 days) | S2 | 8.0.43 (MySQL Community Server - GPL) | Any (Docker container) | Any (x86_64) | Bug: COUNT(*) vs SUM(CASE WHEN ...) returns inconsistent results with NULL-sensitive joins |
| 60349 | 2011-03-04 21:20 | 2013-01-15 15:25 | MySQL Server | Verified (4897 days) | S5 | 5.1.55 | Any | Any | trim beginning spaces processes data only byte wise (continue of bug14637 (3)) |
| 60348 | 2011-03-04 20:14 | 2013-01-15 15:25 | MySQL Server | Verified (4897 days) | S5 | 5.1.55 | Any | Any | trim trailing spaces processes data only byte wise (continue of bug14637 (2)) |
| 60345 | 2011-03-04 17:11 | 2013-01-15 15:25 | MySQL Server | Verified (4897 days) | S5 | 5.1.55 6.0.11 | Any | Any | trim trailing spaces processes data only byte wise (the continue of bug14637) |
| 59581 | 2011-01-18 12:36 | 2025-12-07 20:45 | MySQL Server | Verified (5623 days) | S3 | 5.1.54 - likely any 5.x | Any | Any | Equivalence of sql_modes not reflected in sql_mode returned. |
| 58633 | 2010-12-01 14:08 | 2025-12-07 20:45 | MySQL Server | Verified (5654 days) | S3 | 5.1 | Any | Any | options after -- are processed incorrectly |
| 56497 | 2010-09-02 13:23 | 2012-05-18 20:19 | MySQL Server | Verified | S3 | 5.1 | Any | Any | ps_3innodb fails if MTR run with --mysqld=--query-cache-size=1000000 |
| 56466 | 2010-09-01 16:52 | 2012-05-18 20:19 | MySQL Server | Verified | S3 | 5.1 | Any | Any | main.ps_4heap fails if MTR run with --mysqld=--query-cache-size=1000000 |
| 55971 | 2010-08-13 14:11 | 2012-05-18 20:19 | MySQL Server | Verified (5781 days) | S3 | 6.0.11-alpha, 5.5.5, 5.1.49 | Any (MS Windows, Linux) | Any | Adding new collation ended with error "Unknown collation" |
| 54469 | 2010-06-13 15:10 | 2025-12-07 20:45 | MySQL Server | Verified (5803 days) | S2 | 5.1.47 | Windows | Any | User with host mapped to localhost will not be able to log in |
| 363 | 2003-05-03 6:19 | 2021-11-02 1:11 | MySQL Server | Verified (6234 days) | S3 | 5.0 | Any (all) | Any | SHOW SESSION VARIABLES LIKE 'x' != SELECT @@SESSION.x |
| 120670 | 2026-06-13 17:30 | 2026-06-13 17:30 | MySQL Server | Open | S3 | 9.6.0 | Ubuntu | Any | Incorrect result for `NOT(...) && GREATEST(...) AND literal` |
| 120680 | 2026-06-13 17:35 | 2026-06-13 17:35 | MySQL Server | Open | S3 | 9.6.0 | Ubuntu | Any | Incorrect result for `NOT (col != COALESCE(NULL, ...))` |
| 120679 | 2026-06-13 17:35 | 2026-06-13 17:35 | MySQL Server | Open | S3 | 9.6.0 | Ubuntu | Any | Incorrect result for `NOT (col NOT IN IFNULL(...))` |
| 120678 | 2026-06-13 17:34 | 2026-06-13 17:34 | MySQL Server | Open | S3 | 9.6.0 | Ubuntu | Any | Incorrect result for `NOT IN (LEAST(NULL, ...)) IS UNKNOWN` |
| 120677 | 2026-06-13 17:33 | 2026-06-13 17:33 | MySQL Server | Open | S3 | 9.6.0 | Ubuntu | Any | Incorrect result for `col OR GREATEST(...)` |
| 120676 | 2026-06-13 17:33 | 2026-06-13 17:33 | MySQL Server | Open | S3 | 9.6.0 | Ubuntu | Any | Incorrect result for `COALESCE(...) && (literal IN col)` |
| 120675 | 2026-06-13 17:32 | 2026-06-13 17:32 | MySQL Server | Open | S3 | 9.6.0 | Ubuntu | Any | Incorrect result for `CAST(NULL) IN col || CASE ... IN col` |
| 120674 | 2026-06-13 17:32 | 2026-06-13 17:32 | MySQL Server | Open | S3 | 9.6.0 | Ubuntu | Any | Incorrect result for `CASE with EXISTS` compared to column |
| 120673 | 2026-06-13 17:31 | 2026-06-13 17:31 | MySQL Server | Open | S3 | 9.6.0 | Ubuntu | Any | Incorrect result for `NOT (literal NOT IN col)` |
| 120672 | 2026-06-13 17:31 | 2026-06-13 17:31 | MySQL Server | Open | S3 | 9.6.0 | Ubuntu | Any | Incorrect result for `NOT (IFNULL(col, n) OR (col = literal))` |
| 120671 | 2026-06-13 17:30 | 2026-06-13 17:30 | MySQL Server | Open | S3 | 9.6.0 | Ubuntu | Any | Incorrect result for `col IN (IF(...))` |
| 53561 | 2010-05-11 12:20 | 2016-10-16 20:45 | MySQL Server | Verified (5874 days) | S3 | 5.1.46, 5.5 | Any | Any | HA_EXTRA_WRITE_CAN_REPLACE does not work with row based replication |
| 120669 | 2026-06-13 17:29 | 2026-06-13 17:29 | MySQL Server | Open | S3 | 9.6.0 | Ubuntu | Any | Incorrect result for `CASE + LIKE + XOR` with `||` |
| 120668 | 2026-06-13 17:28 | 2026-06-13 17:28 | MySQL Server | Open | S3 | 9.6.0 | Ubuntu | Any | Incorrect result for `LEAST(...) IN (col)` |
| 120665 | 2026-06-12 10:19 | 2026-06-12 10:19 | MySQL Server | Open | S2 | Any | Any | Non optimal query plan chosen for DML | |
| 120599 | 2026-06-02 8:24 | 2026-06-02 12:53 | MySQL Server | Open (11 days) | S3 | 8.0.43 | Any | Any | Field_set::sql_type() Corrupts 4-byte UTF-8 Characters, Breaking Replication |
| 120340 | 2026-04-24 9:13 | 2026-06-04 8:42 | MySQL Server | Open (9 days) | S2 | 8.0.43 (MySQL Community Server - GPL) | Any | Any | Inconsistent evaluation of NULLIF(ROUND(VAR_SAMP(...)), const) <= value between MySQL and PostgreSQL/DuckDB causes diffe |
| 120191 | 2026-03-31 13:32 | 2026-06-04 8:41 | MySQL Server | Open (9 days) | S2 | 8.0.43 (MySQL Community Server - GPL) | Any (Docker container) | Any (x86_64) | TLP bug: Incorrect result under Ternary Logic Partitioning (TLP) with complex RIGHT JOIN chains |
| 120190 | 2026-03-31 13:04 | 2026-06-04 8:40 | MySQL Server | Open (9 days) | S2 | 8.0.43 (MySQL Community Server - GPL) | Any (Docker container) | Any (x86_64) | TLP Bug: COUNT(*) returns 20, while TLP-partitioned queries return 0 under RIGHT JOIN with LATERAL subqueries |
| 120189 | 2026-03-31 12:43 | 2026-06-04 8:40 | MySQL Server | Open (9 days) | S2 | 8.0.43 (MySQL Community Server - GPL) | Any (Docker container) | Any (x86_64) | TLP Bug: COUNT(*) on orders returns 5, but equivalent TLP-style with complex NULLIF and CASE expressions return 10 |
| 120188 | 2026-03-31 12:00 | 2026-03-31 12:24 | MySQL Server | Open (74 days) | S3 | 9.6, 8.0.45 | Any | Any | Executing the EXPLAIN ANALYZE statement in a loop within a stored procedure triggers a error |
| 34907 | 2008-02-27 21:23 | 2011-02-16 23:43 | MySQL Server | Verified (6080 days) | S3 | 5.1.22 | Any | Any | Handlers cannot replace the plugin variable update func for thread vars |
| 44207 | 2009-04-10 15:08 | 2018-09-09 20:45 | MySQL Server | Verified (6273 days) | S3 | 5.1/5.0/6.0 | Any | Any | LEFT JOIN Multi-table DELETE fails to delete records when using foreign keys |
| 43763 | 2009-03-20 6:30 | 2025-12-07 20:45 | MySQL Server | Verified (6294 days) | S3 | 6.0.11, 5.0, 5.1, 6.0 bzr | Any | Any | Difference in warnings generated between engines |
| 43437 | 2009-03-06 1:45 | 2018-09-09 20:45 | MySQL Server | Verified (6308 days) | S3 | 5.0.74, 5.0, 5.1, 6.0/5.6 bzr | Linux | Any | Unexpected warning 1292 "Truncated incorrect INTEGER value..." with CASE WHEN |
| 42327 | 2009-01-25 14:55 | 2025-12-07 20:45 | MySQL Server | Verified (6348 days) | S3 | 5.0.67, 5.0 bzr | Any | Any | MySQLDump + Stored Proc bug |
| 42058 | 2009-01-12 19:00 | 2025-12-07 20:45 | MySQL Server | Verified (6361 days) | S2 | 5.0, 5.1, 6.0 bzr | Any | Any | Bit index fails to return all matching rows |
| 41390 | 2008-12-11 10:55 | 2025-12-07 20:45 | MySQL Server | Verified (6393 days) | S2 | 3.2, 4.1, 5.0, 5.1, 6.0 bzr | Linux (pc-linux-gnu i486) | Any | mysqlbinlog doesn't properly handle local slow IO |
| 41293 | 2008-12-08 10:21 | 2025-12-07 20:45 | MySQL Server | Verified (6269 days) | S2 | 5.0 bzr, 5.1 | Any | Any | user variables from remote hosts can be considerably slow |
| 40955 | 2008-11-23 14:04 | 2025-12-07 20:45 | MySQL Server | Verified (5727 days) | S3 | 5.0.67, 5.0.70 | Any | Any | SHOW TABLE STATUS truncates information |
| 40475 | 2008-11-03 9:03 | 2025-12-07 20:45 | MySQL Server | Verified (6326 days) | S3 | 6.0 | Any | Any | my_open.c#my_open accepts space only and special characters as filenames |
| 40320 | 2008-10-24 20:49 | 2025-12-07 20:45 | MySQL Server | Verified (6435 days) | S2 | 5.0.67, 4.1, 5.0, 5.1, 6.0 bzr, 8.0.22 | Any | Any | select into outfile mistake with multiline strings |
| 38585 | 2008-08-05 22:01 | 2011-02-16 23:43 | MySQL Server | Verified (6449 days) | S3 | 6.0.5 alpha | Windows (Vista) | Any | Foreign key constraint for column in same table fails on delete when same row |
| 44300 | 2009-04-15 15:53 | 2025-12-07 20:45 | MySQL Server | Verified (5534 days) | S3 | 5.0.75, 5.1, 5.1-telco | Any | Any | mysqld does not establish a new session (posix setsid) |
| 24762 | 2006-12-01 21:41 | 2011-02-16 23:43 | MySQL Server | Verified (6076 days) | S1 | 4.1.20,5.0.60,5.1.38,5.1.40 | Linux (CentOS,Mac OSX) | Any | Failure to import data (timestamp) |
| 23327 | 2006-10-16 9:15 | 2012-05-18 20:19 | MySQL Server | In progress (6826 days) | S3 | 4.1 BK, 5.0 BK, 5.1 BK | Windows (XP) | Any | Strange mapping of certain values for system variable |
| 17979 | 2006-03-06 18:29 | 2025-12-13 22:17 | MySQL Server | Patch approved (7137 days) | S3 | 5.0 | Any | Any | my_print_defaults/mysql_install_db ignore [mysqld-X.Y] sections in option files |
| 15089 | 2005-11-21 4:24 | 2025-12-07 20:45 | MySQL Server | Verified (6233 days) | S2 | 3.1.10, 4.1, 5.0, 5.1, 6.0 bzr | Any (Linux, Windows XP sp2) | Any | BLOB data should not remain in memory |
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