Release Notes
Abstract
Informix provides periodic fixes for the 14.10/4.50 releases. The following list is the most recent report of defect fixes for customer-reported defects in the Informix Server 14.10.xC13W6 and Informix Client SDK 4.50.xC13.W6 releases. This report combines both Windows and UNIX-specific defect fixes, and is more current than the defect information included in the product release.
Content
Fix Pack 14.10.xC13W6/4.50.xC13W6
Fix release date: 22 Apr 2026
Download: IBM Fix Central
| KI ID | Known Issue Abstract |
| IT46162 | An insert statement on a table with TEXT or BYTE columns may create an orphaned BLOB or can assert when queried using a DB2 client. |
| DT465805 | A crash (SEGV) is possible in meRealloc() when there is 32-bit integer truncation of 64-bit pointers. |
| DT464522 | The wrong partition may be dropped when dropping a system generated temporary table. |
| DT464382 | Bad block header assert warnings and potentially other types of assertions. |
| DT464032 | Update statistics high on fragmented temp table may fail with -768 mbmerge2bin error or error 312/100. |
| DT463729 | A crash is possible while parsing/constructing a complex or malformed query. |
| DT463494 | Deadlocks may be observed after long waits on the hash and lru mutexes. |
| DT458566 | The command 'cdr check replset' used with '--since' and '--repair' options will give incorrect values (mismatch/missing). |
| DT453444 | An aborted dbexport command on an RSS may result in persistent errors when running onmode -wm STOP_APPLY=1. |
| DT446292 | Alter fragment on table <tab1> attach on fragmented table rebuilds all the existing index partitions. |
| DT436557 | The default SHMBASE address on Windows can lead to MapViewOfFileEx errors for onstat/oncheck when the size of shared memory is > 5GB. |
| DT435110 | The sysadmin "ADD LOG" task can produce the error "458: Long transaction aborted." |
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Document Information
Modified date:
28 September 2026
UID
ibm17271889