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| ID# | Date | Updated | Type | Status | Sev | Version | OS | CPU | Summary |
|---|---|---|---|---|---|---|---|---|---|
| 81045 | 2016-04-12 9:55 | 2016-04-13 18:25 | MySQL Server | Verified (3660 days) | S1 | 5.6 | Debian (Jessie) | Any | Debian packages broken (mysql-common and libmysqlclient18) in mysql 5.6 |
| 120269 | 2026-04-15 7:40 | 2026-04-15 10:34 | MySQL Server | Open (5 days) | S1 | 9.6.0 | Any | Any | Wrong result in string comparison with JSON_UNQUOTE(JSON_EXTRACT(...)) |
| 45290 | 2009-06-03 9:35 | 2022-12-04 20:45 | MySQL Server | Verified (6165 days) | S1 | 5.0.75-0ubuntu10.2, 4.1, 5.0, 5.1, 6.0 bzr | Other (Ubuntu) | Any | Cant convert innodb tables from latin1 to utf8 if there is a varchar foreign key |
| 24762 | 2006-12-01 21:41 | 2011-02-16 23:43 | MySQL Server | Verified (6022 days) | S1 | 4.1.20,5.0.60,5.1.38,5.1.40 | Linux (CentOS,Mac OSX) | Any | Failure to import data (timestamp) |
| 52704 | 2010-04-08 21:55 | 2012-05-18 20:19 | MySQL Server | Patch pending (5673 days) | S2 | 5.1.41 (Ubuntu), 4.1, 5.0, 5.1, 5.6.99 bzr | Linux | Any | exec_time=4294967295 |
| 45278 | 2009-06-02 21:58 | 2025-12-07 20:45 | MySQL Server | Verified (6165 days) | S2 | good question! | Any | Any | retargeting needed for hundreds of bug reports |
| 42058 | 2009-01-12 19:00 | 2025-12-07 20:45 | MySQL Server | Verified (6307 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 (6339 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 (6215 days) | S2 | 5.0 bzr, 5.1 | Any | Any | user variables from remote hosts can be considerably slow |
| 46945 | 2009-08-26 20:10 | 2025-12-07 20:45 | MySQL Server | Verified (6069 days) | S2 | 4.1, 5.0, 5,1, next bzr | Any | Any | enable filesort index rebuild for SPATIAL index |
| 40320 | 2008-10-24 20:49 | 2025-12-07 20:45 | MySQL Server | Verified (6381 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 |
| 47719 | 2009-09-29 15:29 | 2012-05-18 20:19 | MySQL Server | Verified (6046 days) | S2 | 5.1.36, 5.1 bzr | Any | Any | mysqld crashes if handlerton->show_status returns an error |
| 15089 | 2005-11-21 4:24 | 2025-12-07 20:45 | MySQL Server | Verified (6179 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 |
| 49895 | 2009-12-23 16:27 | 2013-03-03 20:45 | MySQL Server | Verified (5962 days) | S2 | 5.1.36, 5.1 bzr | Any (add_index) | Any | use of KEY_PART_INFO->fieldnr inconsistent in handler::create and add_index |
| 50675 | 2010-01-27 20:34 | 2025-12-07 20:45 | MySQL Server | Verified (5926 days) | S2 | 4.1, 5.0, 5,1, 5.5 bzr | Any | Any | Passwords are not converted to same character set before comparing |
| 54469 | 2010-06-13 15:10 | 2025-12-07 20:45 | MySQL Server | Verified (5749 days) | S2 | 5.1.47 | Windows | Any | User with host mapped to localhost will not be able to log in |
| 56694 | 2010-09-09 15:28 | 2025-12-07 20:45 | MySQL Server | Verified (5691 days) | S3 | Any | Any | mysql.server + large amounts of memory = cannot allocate error | |
| 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 |
| 56939 | 2010-09-22 15:17 | 2025-12-07 20:45 | MySQL Server | Verified (5689 days) | S3 | 5.1+ | Any | Any | mysql-log-rotate has outdated command/option names |
| 55971 | 2010-08-13 14:11 | 2012-05-18 20:19 | MySQL Server | Verified (5727 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" |
| 57716 | 2010-10-25 17:45 | 2025-12-07 20:45 | MySQL Server | Verified (5656 days) | S3 | 5.1.51 | Any | Any | SHOW PROFILE truncates |
| 58633 | 2010-12-01 14:08 | 2025-12-07 20:45 | MySQL Server | Verified (5600 days) | S3 | 5.1 | Any | Any | options after -- are processed incorrectly |
| 59581 | 2011-01-18 12:36 | 2025-12-07 20:45 | MySQL Server | Verified (5569 days) | S3 | 5.1.54 - likely any 5.x | Any | Any | Equivalence of sql_modes not reflected in sql_mode returned. |
| 90813 | 2018-05-09 20:11 | 2021-07-04 9:18 | MySQL Server | Analyzing (2901 days) | S3 | 5.6.40 | CentOS (7.3) | Any | Timezone not correctly read from host |
| 72286 | 2014-04-09 8:49 | 2025-12-07 20:45 | MySQL Server | Verified (4394 days) | S3 | 5.6+ | Any | Any | server-system-variables.html and "Dynamic variable" setting is incomplete |
| 120000 | 2026-03-06 21:55 | 2026-03-08 13:19 | MySQL Server | Open (43 days) | S3 | 8.0.30-22 | Ubuntu (22) | Any | Mysql crash after increase 2% innodb buffer pool |
| 363 | 2003-05-03 6:19 | 2021-11-02 1:11 | MySQL Server | Verified (6180 days) | S3 | 5.0 | Any (all) | Any | SHOW SESSION VARIABLES LIKE 'x' != SELECT @@SESSION.x |
| 120290 | 2026-04-19 15:37 | 2026-04-19 15:37 | MySQL Server | Open | S3 | Any | Any | i cannot import using import wizard and it is required | |
| 120191 | 2026-03-31 13:32 | 2026-03-31 13:32 | MySQL Server | Open | S3 | 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 | 2026-03-31 13:04 | MySQL Server | Open | S3 | 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 | 2026-03-31 12:43 | MySQL Server | Open | S3 | 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 (20 days) | S3 | 9.6, 8.0.45 | Any | Any | Executing the EXPLAIN ANALYZE statement in a loop within a stored procedure triggers a error |
| 120187 | 2026-03-31 11:46 | 2026-03-31 11:46 | MySQL Server | Open | S3 | 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 |
| 120180 | 2026-03-30 13:32 | 2026-03-30 13:32 | MySQL Server | Open | S3 | 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 |
| 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 |
| 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 |
| 119340 | 2025-11-10 7:58 | 2025-11-10 7:58 | MySQL Server | Open | S3 | 9.4.0 8.4.6 | Any | Any | Incorrect result for RLIKE when INSERT() uses CURRENT_USER() as an argument. |
| 117906 | 2025-04-08 7:11 | 2025-04-15 4:23 | MySQL Server | Verified (370 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 (1119 days) | S3 | 8.0.28-8.0.32 | Any | Any | Wrong Allowed Values range for connection_memory_chunk_size in documentation. |
| 103218 | 2021-04-06 9:02 | 2021-04-09 12:38 | MySQL Server | In progress (1837 days) | S3 | Any | Any | Comparing datetime with year doesn't result in sensible result nor warning/error | |
| 120303 | 2026-04-20 16:22 | 2026-04-20 16:22 | MySQL Server | Open | S3 | 8.0.45 | Any | Any | MySQL crashes when executing query with LATERAL subqueries and REGEXP_INSTR using non-constant argument |
| 86405 | 2017-05-22 13:09 | 2017-05-31 14:10 | MySQL Server | Verified (3246 days) | S3 | 5.6.36-1 | Red Hat (el7, x64) | Any | Stored procedure execution affected by query select in information_schema.tables |
| 77050 | 2015-05-15 14:17 | 2015-05-22 15:01 | MySQL Server | Verified (3990 days) | S3 | 5.6.24, 5.6.26, 5.7.8 | Any | Any | Syntax error if index type specified |
| 34907 | 2008-02-27 21:23 | 2011-02-16 23:43 | MySQL Server | Verified (6026 days) | S3 | 5.1.22 | Any | Any | Handlers cannot replace the plugin variable update func for thread vars |
| 44300 | 2009-04-15 15:53 | 2025-12-07 20:45 | MySQL Server | Verified (5480 days) | S3 | 5.0.75, 5.1, 5.1-telco | Any | Any | mysqld does not establish a new session (posix setsid) |
| 44207 | 2009-04-10 15:08 | 2018-09-09 20:45 | MySQL Server | Verified (6219 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 (6240 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 (6254 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 (6294 days) | S3 | 5.0.67, 5.0 bzr | Any | Any | MySQLDump + Stored Proc bug |
| 40955 | 2008-11-23 14:04 | 2025-12-07 20:45 | MySQL Server | Verified (5673 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 (6272 days) | S3 | 6.0 | Any | Any | my_open.c#my_open accepts space only and special characters as filenames |
| 38585 | 2008-08-05 22:01 | 2011-02-16 23:43 | MySQL Server | Verified (6395 days) | S3 | 6.0.5 alpha | Windows (Vista) | Any | Foreign key constraint for column in same table fails on delete when same row |
| 44348 | 2009-04-17 19:58 | 2025-12-07 20:45 | MySQL Server | Verified (6079 days) | S3 | 5.0.79, 5.0 bzr | Linux (RHEL-5) | Any | Patch for bug #40363 causes regression test failure |
| 23327 | 2006-10-16 9:15 | 2012-05-18 20:19 | MySQL Server | In progress (6772 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 (7083 days) | S3 | 5.0 | Any | Any | my_print_defaults/mysql_install_db ignore [mysqld-X.Y] sections in option files |
| 14709 | 2005-11-07 15:30 | 2025-12-07 20:45 | MySQL Server | Verified (5919 days) | S3 | 4.1.16-BK, 4.1.14 (4.1.15),5.0.16 | Linux (Linux) | Any | LOAD DATA INFILE: Indexes get disabled by LOAD DATA |
| 13933 | 2005-10-11 16:31 | 2025-12-07 20:45 | MySQL Server | Verified (7301 days) | S3 | 4.1.15 and up | MacOS (Mac OS X 10.4) | Any | Path name replacement fails in case-insignificant systems |
| 4291 | 2004-06-25 23:30 | 2012-05-18 20:19 | MySQL Server | Verified (5607 days) | S3 | 4.0.21 | Linux (Linux) | Any | max_heap_table_size affects creation of disk-based temporary tables |
| 3329 | 2004-03-29 22:23 | 2025-12-07 20:45 | MySQL Server | Verified (6179 days) | S3 | 4.0.18/4.0.19 Source, 5.0, 5.1, 6.0 bzr | Any (Windows, MacOSX) | Any | Incomplete lower_case_table_names=2 implementation |
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