IT40354: INCORRECT BLOB SIZE IS PASSED TO SERVER RESULTING IN MEMORY OVERWRITE AND CRASH WHEN BLOB IS COMPRESSED

APAR status

• Closed as program error.

Error description

• An incorrect blob size is passed to the server resulting in a
  memory overwrite and crash when the blob is compressed.
  
  The client receives the correct uncompressed size of the blob it
  is about to select however, when it fetches the blob it passes
  the wrong size to the server, which results in a memory
  overwrite during the uncompress operation.
  

Local fix

Problem summary

• ****************************************************************
  * USERS AFFECTED:                                              *
  * Users of Informix Client SDK prior to version 4.50.FC8.      *
  ****************************************************************
  * PROBLEM DESCRIPTION:                                         *
  * See Error Description                                        *
  ****************************************************************
  * RECOMMENDATION:                                              *
  * Upgrade to Informix Client SDK 4.50.FC8.                     *
  ****************************************************************
  

Problem conclusion

• Fixed in Informix Client SDK 4.50.FC8.
  

Temporary fix

Comments

APAR Information

• APAR is sysrouted FROM one or more of the following:

• APAR is sysrouted TO one or more of the following:

Fix information

• Fixed component name

  IBM CSDK

• Fixed component ID

  5724C2381

Applicable component levels