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Fix list for IBM MQ Version 9.4.x Continuous Delivery

Fix Readme


Abstract

IBM MQ provides regular updates containing new function and fixes. This document contains lists of available fixes for the IBM MQ 9.4 initial release and subsequent Continuous Delivery (CD) releases and CD Cumulative Security Updates (CSUs), with the most recent release or update at the top.

Content

This document describes fixes included in the initial MQ9.4 LTS release as well as subsequent CD releases and in CD Cumulative Security Updates. For more information on the types of release, refer to the IBM MQ release types section of the product documentation.
 
 Release typeRelease dateEnd of defect supportTotal fixesSecurity fixesHIPER fixes
IBM MQ 9.4.4.1Cumulative security update17 December 202516 October 2026521
IBM MQ 9.4.4.0Continuous Delivery release16 October 202516 October 20263732
IBM MQ 9.4.3.1Cumulative security update04 September 202517 June 2026320
IBM MQ 9.4.3.0Continuous Delivery release17 June 202517 June 20265150
IBM MQ 9.4.2.1Cumulative Security Update01 May 202527 February 2026320
IBM MQ 9.4.2.0Continuous Delivery release27 February 202527 February 20264874
IBM MQ 9.4.1.1Cumulative Security Update17 December 202424 October 2025730
IBM MQ 9.4.1.0Continuous Delivery release24 October 202424 October 202564113
IBM MQ 9.4.0.0Initial release (both Continuous Delivery and LTS)18 June 2024*Not announced3990


* The listed release date applies to IBM MQ on distributed platforms. For the IBM MQ Appliance, the Release Date was 11th Jul 2024.

Download the latest IBM MQ fixes from the IBM MQ Recommended Fixes and Planned Maintenance release dates page.

Vulnerability risk information for IBM MQ can be found at Security Bulletin for IBM WebSphere MQ

Glossary of Terms

 

Example table

SecurityHIPERAPAR / known issue
Description
✓ AB12345
CVE-XXXX-XXXXX (security/integrity exposure) [CVSS base score 5.3]
 ✓ZY98765
Description of a HIPER
 
 

 

IBM MQ cumulative security update 9.4.4.1  Windows, UNIX®, IBM MQ Appliance

(Last modified: December 2025)

Is SecurityIs HIPERknown issueDescription
✓ DT454230IBM MQ CVE-2025-30754 [CVSS base score 4.8]
✓ DT455009IBM MQ CVE-2025-53057, CVE-2025-53066 and IBM MQ Appliance CVE-2025-53057, CVE-2025-53066 [CVSS base score 7.5]
  DT454851Running mqlicense.sh to accept the MQ 9.4.4.0 license fails with the
error "Old API and new API did not match: processor feature 104"
 ✓DT455480IBM MQ RDQM specifying -re with -rn in crtmqm command on RDQM DR config disables TLS on HA
  DT457399Third party component updates for cumulative security update 9.4.4.1
 
 

IBM MQ 9.4.4 Continuous Delivery Release for Windows, UNIX®, IBM MQ Appliance

(Last modified: October 2025)

 
Is SecurityIs HIPERknown issueDescription
✓ DT448803IBM MQ CVE-2025-36047, IBM MQ CVE-2025-48976 and IBM MQ Appliance CVE-2025-48976  [CVSS base score 7.5]
✓ DT450151IBM MQ Appliance CVE-2025-8058 and CVE-2025-7425 [CVSS base score 7.8]
✓ DT451207IBM MQ CVE-2020-36732 [CVSS base score 5.3]
 ✓DT443921SIGSEGV in amqzlaa0 when connecting a TLS authenticating client where positive authorization events are enabled
 ✓DT447167IBM MQ RDQM queue managers unable to failover in a HA setup due to unmount timeout
  DT257419IT43561: MQPUT1 to an AMS-secured queue from a client where AMS is disabled fails with rc=2063 MQRC_SECURITY_ERROR
  DT381905IT46133: AMQ8079W and AMQ9546E are received when attempting to authenticate a domain user
  DT428301IT47834: IBM MQ Console can fail to display messages for a local queue if a message contains an unmappable character in the message body
  DT428311IT46189: MQ .NET allocates unneccesary memory when performing MQPUT with a non-RFH message
  DT428331IBM MQ process amqrmppa crashes with a SIGSEGV.
  DT428864IT47835: MQ .NET client fails to try other channel entries from CCDT table when MQRC_SSL_INITIALIZATION_ERROR is thrown.
  DT429422IBM MQ Appliance the sethapreferred command may fail to failover a queue manager if executed concurrently
  DT429832IT47358: IBM MQ Console doesn't show any messages on a queue if one or more messages has an invalid MQRFH2 header.
  DT429863IT46860: Pipe returned 2035 when the /opt file system is mounted with NOSUID option
  DT433187IBM MQ classes for JMS and Jakarta Messaging remove message properties from messages that go to the backout queue.
  DT433503IBM MQ mqperfck tool incorrectly reports error AMQ3072E for a local cluster queue
  DT433628CONNAME is truncated as cluster sender channel is defined during uniform cluster configuration
  DT435290IBM MQ MFT agent logs BFGCH0125E when attempting to transfer a file with a question mark character in the filename.
  DT436693Ensure replyTo field of outgoing AMQP message properties is set correctly
  DT437809MQ Appliance 9.4.x: MQ appliance keybackup command might fail with FDC RN129010 after upgrading to MQ 9.4.
  DT439243After upgrading IBM MQ Queue Manager on IBM i, Java clients fail to connect with error AMQ9207.
  DT439746IBM MQ Queue Manager generates AMQ9716E after upgrading
  DT440293In the MQ 9.4, when the sender channel transitions from RETRYING to RUNNING, the SHORTRTS and LONGRTS values are immediately reset.
  DT443477IBM MQ incorrectly considers the "alg" field in JWKS mandatory
  DT443478IBM MQ does not enforce the mandatory key type parameter ("kty") in JWKS exchanges
  DT443480Queue manager SIGSEGV in function kpiPutAuthorityEvent (in MQ process amqzlaa0 or amqrmppa) when client successfully authenticates using JWT and new 9.4.3 authority events are configured
  DT443710MQ Appliance 9.3: Heartbeat interface(eth13 and eth17) status may be incorrectly reported.
  DT444035After upgrading an IBM MQ 9.4 Trial or Developer Edition installation to a newer maintenance level, the LicenseType is incorrectly reported as Production
  DT444255On Windows 2025, MQ outputs say it is Windows 2022
  DT444258IBM MQ application may end unexpectedly due to memory exception from conflicting libcurl libraries
  DT444486Include additional linked exception information when an exception is logged by the IBM MQ REST API
  DT445771IBM MQ appliance system volume(encrypted space) may become full due to large pacemaker.log
  DT446198IBM MQ Classes for Java can return an MQRC 2009 from a long-running MQQueue.get(...) call.
  DT447623Unable to set the KEYRPWD QM attribute via PCF using an IBM MQ Java client.
  DT448704In IBM i V7R6M0, IBM MQ job AMQZLAA0 ends abnormally with MCH1210, even when *JOBMSGQFL(WRAP) is enabled.
  DT449774Queue manager error fails to display in container log with the following message displayed instead: {** - "INFO","message":"Failed to unmarshall JSON in log message - **}
  DT450951Servicability enhancement for MQIPT trace data
 

 

IBM MQ cumulative security update 9.4.3.1  Windows, UNIX®, IBM MQ Appliance

(Last modified: September 2025)

Is SecurityIs HIPERknown issueDescription
✓ DT444585IBM MQ CVE-2025-36100 [CVSS base score 5.1]
✓ DT448473IBM MQ CVE-2025-30754 and CVE-2025-30754 [CVSS base score 4.8]
  DT449141Third party component updates for cumulative security update 9.4.3.1
 
 
 

 

IBM MQ 9.4.3 Continuous Delivery Release for Windows, UNIX®, IBM MQ Appliance

(Last modified: October 2025)

 
Is SecurityIs HIPERknown issueDescription
✓ DT426598IBM MQ CVE-2025-33181  [CVSS base score 5.9]
✓ DT435291IBM MQ CVE-2025-3631 [CVSS base score 6.5]
✓ DT438705IBM MQ CVE-2025-21587, CVE-2025-4447 [CVSS base score 7.4]
✓ DT438713IBM MQ CVE-2025-21587, CVE-2025-30698, CVE-2025-2900 [CVSS base score 7.5]
✓ DT439059IBM MQ CVE-2025-30472 [highest CVSS 9.8]
  DT209203Unmanaged .NET client application with AMS installed reports MQRC 2035(MQRC_NOT_AUTHORIZED) when using a z/OS queue manager
  DT245884IT44897: AMQ9703W: Message sequence number mismatch detected for channel,while starting a channel.
  DT383222IT46188: queue manager fails to start with FDC AD029000 from adiCloseFile
  DT389918IT46375: Frequent MQ FDC exceptions generated on the queue manager system due to permission issues.
  DT391393IT46346: Singular messages may be committed during a transaction despite contrary configuration when using WAS Listener Ports
  DT391669IT46520: If a JSON CCDT specifies more than one channel with certificatePeerName, MQCONNX fails with Reason Code 2393
  DT397156IT46808: ObjectName used for Report Message authority checks differs depending on the attributes of clustered QMALIAS used
  DT398231IT46725: Memory consumption increases on IBM.WMQ.ChannelDefinition while the destination server is unavailable.
  DT398733IT46726: Destination queue manager fails to generate COA report message and trace shows lrcE_CLUSTER_RESOLUTION_ERROR
  DT399726Channel errors (e.g. AMQ9259E) are not reported if the channel is stopped by the user while it is ending due to the error.
  DT418508IT47287: Multiple warnings issued when installing MQ 9.4 on non-RHEL/SLES/Ubuntu Linux distributions
  DT418856IT46996: 'crtmqm' command fails with AMQ6708E when using a GPFS file system
  DT419537IT47424: AMQ9456 error messages appear in queue manager error logs
  DT419994IT47460: IBM MQ classes for Java fail to rewrite MQRFH2 headers when little endian encoding is requested
  DT420438IT47253: Defunct (also known as zombie) amqoampx process after user logs in to IBM MQ web console or uses REST API
  DT422661The ValidateAuth=No attribute is ignored when SuppressMessage attribute under QMerrorLog stanza is present in qm.ini file
  DT428197IT44935: Correlation ID property from AMQP clients not propagated to MQMDCorrelation ID.
  DT428268Channels not starting after scratchpad damage
  DT428271IT46576: setting ReconDelay as IBM MQ documented causes an exception in MQ managed .Net client.
  DT428277IT47446: Memory leak in IBM MQ client when MQCONNX in client program thatuses TLS fails with rc=2381 or rc=2393
  DT428288IT47674: DSPMQFLS command failure with AMQ7028E
  DT428291IT46975: Improve performance of character conversion within IBM MQ on Linux when using UTF-8
  DT428299IT47823: amqzmuc0 locks object catalogue file
  DT428295IT47744: Cluster queues disappeared after long period of disuse and a change/move of Full Repository queue managers
  DT428298IT47548: IBM MQ Documentation does not clearly specify that OCSPAuthentication=REQUIRED only applies is an OCSP Responder is defined.
  DT428309IT47250: MFT commands using SSL display misleading BFGPR0134E message if a property in a config file is set to an empty value
  DT428322IT46628: 'dspmqinst' reports Entitlement as "IBM MQ Advanced" even after uninstalling all repackaged Advanced MQ RPM packages
  DT428326IT46503: MQIPT creates invalid HTTP Cookie header fields
  DT428334IT46603: dmpmqcfg reports incorrect information when an invalid argument is specified
  DT428558IT36211: Sender channel fails to start because it cannot connect to a host by name but 'nslookup' resolves its IP address
  DT428810IT47235: Closing an AMQP consumer does not release open queue handles resulting in a handle leak
  DT428822IT47166: MQ on Linux 32-bit COBOL client SIGSEGV reported in an FDC with ProbeId XC130003
  DT428848IT47457: Linux RPM packages do not verify cleanly when using a non-default installation location
  DT428850IT47210: CertificateMapFailedException is incorrectly written to the mqweb server's log files if a principle cannot be mapped.
  DT428852IT47806: After a connection broken error asynchronous consumers are unable to consume messages.
  DT428853IT47505: MQ upgrade on Linux from does not generate version updated 'Replica' .swidtag files
  DT428854IT47491: endmqm generates AMQ9213E - communications error
  DT428855IT47097: Unable to start custom MQIPT security exit after upgrading to v9.4.0.0
  DT428858Queue manager writes accounting messages too often when queue manager attribute ACCTQ is set to NONE.
  DT428862IT47785: MFT protocol bridge agents write SFTP entries to the agentevent.log file with an incorrect transfer ID.
  DT428865IT47703: IBM MQ Classes for Java/JMS method "MQConstants.lookup" is not thread safe.
  DT428869Times elapsed displayed in IBM MQ Console dashboards do not take account of timezone differences between locations.
  DT428871IT47747: Unable to upgrade to MQ 9.4.0.10 on Linux RPM based distributions for a top-level installation location
  DT429841IT47623: Use the default DNSResolutionOrder when a user-configured value is partially invalid
  DT429853IT47288: Problems with Linux RPM upgrade process and the IBM MQ embedded JRE and Liberty components
  DT433212A remote queue manager's new CLUSRCVR channel cannot be inserted into the cluster after RESET CLUSTER was run to correct an earlier mistake
 
 
 

IBM MQ 9.4.2.1 Cumulative Security Update for Windows, UNIX®, IBM MQ Appliance

(Last modified: May 2024)

 
Is SecurityIs HIPERknown issueDescription
✓ DT433544IBM MQ Appliance CVE-2022-49043  [CVSS base score 8.1]
✓ DT428851 / IT47591IBM MQ CVE-2025-27365 and IBM MQ Appliance CVE-2025-27365  [CVSS base score 6.5]
  DT428844Third party component updates for cumulative security update 9.4.2.1
 
 

IBM MQ 9.4.2.0 Continuous Delivery release for Windows, UNIX®, IBM MQ Appliance

(Last modified: June 2025)

 
Security APARHIPER APARAPARDescription
✓ IT43835IBM MQ CVE-2025-23225 and IBM MQ Appliance CVE-2025-23225 [CVSS base score 6.5]
✓✓IT47091IBM MQ CVE-2024-54175 and IBM MQ Appliance CVE-2024-54175 [CVSS base score 5.5]
✓ IT47371IBM MQ CVE-2024-54173 and IBM MQ Appliance CVE-2024-54173 [CVSS base score 4.7]
✓ IT47396IBM MQ CVE-2024-21235, CVE-2024-21217, CVE-2024-21210, CVE-2024-21208, CVE-2024-10917 [CVSS base score 5.3] and IBM MQ Appliance CVE-2024-21217, CVE-2024-21208, CVE-2024-10917 [CVSS base score 3.7]
✓ IT47527IBM MQ CVE-2024-21217, CVE-2024-21208, CVE-2024-10917, CVE-2024-9143 [CVSS base score 5.3]
✓ IT47597IBM MQ CVE-2025-0975 and IBM MQ Appliance CVE-2025-0975 [CVSS base score 8.8]
✓ IT47606IBM MQ Appliance CVE-2024-53088, CVE-2024-53122 [CVSS base score 5.5]
  IT37573Install/upgrade failure: amqiclen: Failed to obtain global lock(1): rc=545261555
  IT38202Multi-instance qmgr writes FDC with Probe Id ZX028020 or ZX028090 during startup and fails over to standby instance
  IT41624Error log message AMQ9575 reports incorrect channel name
  IT42617Incorrect timezone number in the header block output from dspmqtrc, if the offset from UTC is a negative number
  IT43186MQ trace identifies the incorrect position of character causing conversion issue.
  IT44224.NET client application raised 'SYSTEM.NULLREFERENCEEXCEPTION' instead of 'MQRC_CONNECTION_BROKEN' after reconnect timeout
  IT44403MQ 9.3.x .Net core application encounters error MQRC 2219 when using security exits
  IT44510No warning is provided when duplicate cluster receiver channels are created with a mismatched queue manager name
  IT45257MQ error AMQ8454E was thrown when failing to create cluster receiver channel for uniform cluster using ini and mqsc files.
  IT45895Message Ids may be duplicated for pub/sub messages by the IBM MQ queue manager on Windows
  IT46109Memory leak in locally bound MQ application in XA environment when MQ AMS is installed
  IT46538IBM MQ Managed .NET client connect fails with rc=2059 when CCDT contains multiple channels with multiple CONNAMEs.
  IT46573SYSTEM.NULLREFERENCEEXCEPTION from XMS .NET when the queue manager is unreachable
  IT46577IBM MQ "dspmqver -p 64" or "dspmqver -a" write messages in the error logs when displaying the 32-bit GSKit version
  IT46625FDC is generated with Probe Id xy132005 and Component xstCreateExtent with error xecS_E_TOO_BIG
  IT46821Potential memory overwrite in amqrrmfa process
  IT46835MQ Java client properties "com.ibm.mq.cfg.TCP.ClntRcvBuffSize" and "com.ibm.mq.cfg.TCP.ClntSndBuffSize" cannot be set to 0.
  IT46837IBM MQ on Linux for s390x install unnecessary 31-bit GSKit files
 ✓IT46864Performance issue in MQ channels configured with TLS after upgrading to MQ 9.3.
  IT46889Attempting to authenticate with a Queue Manager using a null password generates a NullPointerException.
  IT46969IBM MQ Console fails to process damaged queue objects.
  IT46991Calling "toString()" on migration mode JMS connection and session objects returns null.
 ✓IT47071Allow Java Virtual Machines (JVMs) to be treated as an application instance when using MQ uniform clusters.
  IT47095Reconnectable MQ client MQRC_RECONNECT_INCOMPATIBLE error from MQPUT when using option MQPMO_WARN_IF_NO_SUBS_MATCHED
  IT47103IBM MQ web console signin fails for users with large "user id number"
  IT47133RUNMQKTOOL utility does not run successfully on IBM i at 9.4
  IT47142IBM MQ classes for JMS does not suitably disconnect when balanced in a uniform cluster.
  IT47175Add a toString() method to the TransferExitResult class to output the attributes of the current object
  IT47179Sterling File Gateway (SFG) embedded MFT agent generates FDC containing NullPointerException when doing managed transfers
  IT47225AIX IBM MQ fix pack bundle on Fix Central does not include the install '.toc' file
  IT47276IBM MQ resource adapter for Jakarta Messaging IVT program wmq.jakarta.jmsra.ivt.ear fails to deploy in JBoss EAP 8
  IT47317The "fteShowAgentDetails" command generates a "java.lang.IndexOutOfBoundsException" with >1 HA standby agent.
  IT47345MQ Console only reports the user primary group on Linux when verifying group membership for access/authorisation
  IT47362fteRAS terminates unexpectedly and reports a BFGCL0607E error while running the FTEConfigLogsCollector.
  IT47426IBM MQ Multicast: FDC with Probe XC006001 generated after server-bound publisher app publishes to a topic
  IT47442Performance impact observed as queue manager cleans the contents of reusable log files when not needed
  IT47474MQ Appliance queue manager with AMS MCA interception fails to start after migration to MQ 9.4.
  IT47524IBM MQ Classes for JMS can hang when creating a message.
  IT47535IBM MQ 9.4 Queue Manager status request fails when queue manager library is in an iASP
 ✓IT47564Performance Monitoring Enhancements
  IT47612Downloading a single message using the IBM MQ Console downloads all the messages on the queue in a JSON format
 
 

 

IBM MQ 9.4.1.1 Cumulative Security Update for Windows, UNIX®, IBM MQ Appliance

(Last modified: Dec 2024)

 
Security APARHIPER APARAPARDescription
✓ IT47065IBM MQ Appliance CVE-2024-36020 [CVSS base score 7.1]
✓ IT47188IBM MQ CVE-2024-52896 and IBM MQ Appliance CVE-2024-52896 [CVSS base score 6.2]
✓ IT47254IBM MQ CVE-2024-52898 [CVSS base score 6.2]
  IT416229.3 appliance firmware exhibits larger performance overheads than 9.2 for qmgrs with encrypted file system
  IT47245Kernel modules to enable support for RDQM on RHEL 9 kernel 5.14.0_503.11.1-1
  IT47260Third party component updates for cumulative security update 9.4.1.1
  IT47334Installing 9.28.0 DRBD SELinux package on RHEL 8.8 and RHEL 9.2 fails with "error: Failed dependencies"
 
 
 

IBM MQ 9.4.1.0 Continuous Delivery release for Windows, UNIX®, IBM MQ Appliance

(Last modified: October 2025)

Security APARHIPER APARAPARDescription
✓ IT45634IBM MQ CVE-2024-40680 and IBM MQ Appliance CVE-2024-40680 [CVSS base score 6.2]
✓ IT46250IBM MQ CVE-2024-51470 and IBM MQ Appliance CVE-2024-51470 [CVSS base score 6.5]
✓ IT46487IBM MQ CVE-2024-21085 [CVSS base score 5.3]
✓ IT46501IBM MQ CVE-2024-40681 and IBM MQ Appliance CVE-2024-40681 [CVSS base score 7.5]
✓ IT46613IBM MQ Appliance CVE-2023-5981 & CVE-2024-0533  [CVSS base score 5.9]
✓ IT46890IBM MQ CVE-2023-50314 [CVSS base score 5.3]
✓ IT46892IBM MQ CVE-2024-21147, CVE-2024-21140, CVE-2024-21144, CVE-2024-21138 [CVSS base score 7.4]
✓ IT46921IBM MQ CVE-2024-21144 [CVSS base score 3.7]
✓ IT47031IBM MQ Appliance CVE-2023-52881 [CVSS base score 5.9]
✓ IT47189IBM MQ CVE-2024-52897 and IBM MQ Appliance CVE-2024-52897 [CVSS base score 6.2]
✓ IT47223IBM MQ CVE-2024-51471 and IBM MQ Appliance CVE-2024-51471 [CVSS base score 5.3]
  IT43000IBM MQ managed .Net fails with MQRC_RFH_FORMAT_ERROR (2421) if the <usr> section of RFH2 header contains "$"
  IT43115Queue Manager PutCount statistics incorrect for temporary dynamic queue
  IT43665MQ Explorer 'edit security settings' does not propagate personal key store passwords
  IT43696Hang when MQ on AIX tries to write out the call stack after a heap-corruption SIGSEGV
  IT43756In MQ managed XMS .Net  9.3: After the client reconnects asynchronous consumers are not automatically restarted
  IT44298Running the MQSC command 'DISPLAY AUTHINFO' might incorrectly show the 'LDAPPWD' parameter as EMPTY
  IT44384Channel loops if a message on the transmit queue exceeds the MAXMSGL attribute of the Queue manager
  IT44710IBM MQ FDC with probe ID XC006001 is generated by the 'amqrmppa' process during 'endmqm' call
  IT44949MQ .Net core application with security exit reports error 2273 (connection broken) if exit buffer size not divisible by 4
  IT45366AMQP service intermittently hangs preventing message delivery or new client connections.
  IT45432AMQ9620E: Internal Error on Call to SSL Function On Channel with RC=551 from gsk_secure_soc_write
  IT45438An MQ JMS Client using TLSv1.3 GCM Cipher receives an RC=2009 and the Queue Manager generates an FDC with ProbeID CO373099.
  IT45453FDC with probe XC130003 and application received RC 2009 (connection broken) on channel with RCVEXIT and SHARECNV(1)
  IT45483STOP CHANNEL command did not stop a channel that was in a never-ending loop due to a bug in third-party security exit
  IT45631Replace MQ Telemetry FDCs for InvalidTopicFilterExceptions, IOExceptions and TransactionFullExceptions with log messages
  IT45649IBM MQ SVRCONN channels are in stopped state after restart of queue manager.
 ✓IT45748Unable to start or delete channel after migrating queue manager to MQ 9.3
  IT45923MQTT PCF command MQCMD_INQUIRE_CHANNEL_STATUS does not correctly indicate end of responses.
  IT45988MFT Agent abends with NullPointerException when processing Partitioned Data Sets on z/OS.
  IT46018MQHeaderList.write() does not correctly format header(s) when
called with a specific CCSID and a "raw" OutputStream.
  IT46191Messages delivered to AMQP clients may have incorrect message IDs
  IT46237MFT agents create FDC during start up if the agent property "monitorMaxResourcesInPoll" is set to zero
 ✓IT46247SIGSEGV in rrmUpdateSuspendList and queue manager then fails after suspending in many clusters
 ✓IT46316SIGSEGV in ziiSPIAdoptUser running inside AMQP listener
  IT46319RUNMQRAS collection of *.FDC files unreadable for IBM i
  IT46327SIGSEGV in dspmqtrc
  IT46343MFT agent unable to recover after successive MQRC 2538 leaving the agent unresponsive.
  IT46399IBM MQ Classes for Java/JMS connecting in BINDINGS mode may generate a "Structure size check" FDC.
  IT46415Multiple fixes for JWKS functionality
  IT46439xa_open() fails with error code -5 (XAER_INVAL) when MQ classes for JMS application connects to a QSG
  IT46459RDQM support for disabling ICMP protocol usage
  IT46492Altering an object to set cluster namelist with non existent namelist fails with AMQ8103E after applying APAR IT45710
  IT46528Warnings and excessive output observed during IBM MQ 9.4 Linux RPM package updated.
  IT46529IBM MQ resource adapter for Jakarta Messaging IVT wmq.jakarta.jmsra.ivt.ear fails and generates an FDC
  IT46530Missing libcurl section in dspmqver -a output
  IT46548IBM MQ Managed File Transfer (MFT) agent generates Javacores and heap dumps due to OutOfMemoryErrors when trace is enabled
  IT46587Hang in MQCTL(MQOP_STOP) in MQ library code running inside user application
  IT46599Update the MQ Console to use Carbon 11
  IT46614IBM MQ 9.4 client-only installation incorrectly includes Developer Edition swidtag file on Linux
  IT46615IBM MQ interactive installer on Windows displays the same "install or upgrade" selection dialog twice
  IT46618The IBM MQ 9.4 Windows client installation log name is prefixed with MQv90
  IT466485725A49 MQ "C CLIENT" MEMORY GROWTH
  IT46659The wmq.jakarta.jmsra.ivt.ear provided by IBM MQ for z/OS returns unreadable characters.
  IT46711Install/uninstall on AIX/Linux fails with error 'amqiclen failed with rc=2'
  IT46759NullPointerException in CipherSpecBean.getCiphers() when MQ classes for Java/JMS applications create a TLS/SSL connection
  IT46765MQ MFT protocol bridge agent (PBA) fails to start and reports error BFGBR0181E
  IT46768Exporting MQ Explorer settings to a new file fails with a "File not found" error.
  IT46772MQ Explorer reports an AMQ4199 error when using a CCDT to connect to a remote queue manager with SSL/TLS.
  IT46801IBM MQ 9.4.0.0 upgraded to 9.4.0.5 removes the RDQM installation setup.
  IT46817AIX second installation of IBM MQ reports "/usr/mqm/web: Not found"
  IT47215SIGSEGV in rxDoInstancesHaveQuorum causes NativeHA MQ pod to restart automatically
  IT47772IBM MQ Appliance reports incorrect error when using setmqini to alter a stanza not applicable to appliance queue managers
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IBM MQ 9.4.0.0 Initial release (both LTS and Continuous Delivery) for Windows, UNIX, IBM i, IBM MQ Appliance

(Last modified: June 2025)

Security APARHIPER APARAPARDescription
✓ IT45510IBM MQ CVE-2024-31919 [CVSS base score 5.9]
✓ IT45607IBM MQ CVE-2024-31912 [CVSS base score 7.5]
✓ IT45710IBM MQ CVE-2024-35116 and IBM MQ Appliance CVE-2024-35116 [CVSS base score 5.9]
✓ IT45816IBM MQ CVE-2024-22201 [CVSS base score 7.5]
✓ IT45986IBM MQ CVE-2024-35156 [CVSS base score 6.5]
✓ IT46058IBM MQ CVE-2024-27268, CVE-2023-51775, CVE-2024-22353, CVE-2024-22329, CVE-2024-22354, CVE-2024-25026  and IBM MQ Appliance CVE-2024-22329, CVE-2024-22354 [CVSS base score 7.5]
✓ IT46155IBM MQ CVE-2024-21085 [CVSS base score 5.9]
✓ IT46217IBM MQ CVE-2024-35155 [CVSS base score 6.5]
✓ SE81096IBM MQ CVE-2024-0727 and CVE-2023-6237 [CVSS base score 3.1]
  IT38022Log more possible error conditions from amqiclen during installer/uninstaller processing
  IT39231MQ 9.2 LTS fix pack rpm installer does not correctly prohibit application to a 9.2.x CD installation
  IT41710CWSMQ0006E error and System.ArgumentNullException reported when attempting to connect to a version 9.2 or lower queue manager
  IT43178The channel pooling process might terminate due to a SIGSEGV in xcsWaitPid.
  IT43493FDC is generated with Probe Id XY017001 from component xufOpenIniRead when running dspmq as root
  IT43502Managed .NET client using distributed transaction reports MQRC_HCONN_ERROR (2018) while using MQCNO_HANDLE_SHARE_NONE
  IT43580'mqconfig' utility reports incorrect required version of AIX for MQ 9.3
  IT43721Queue manager with global in-doubt transaction fails to start after associating with a different installation
  IT44106High CPU usage in MQ appliance when or after using dspmqerr command
  IT44108IBM MQ MFT agent ends unexpectedly with a NullPointerException
  IT44577High memory usage in amqrmppa process
  IT44914After upgrading to MQ 9.3.3 CD release, .Net application reports error System.TypeInitializationException.
  IT44950MFT agent running as a Windows service fails to start with the error "%1 is not a valid Win32 application"
  IT44951Warning messages are output to the console when the IBM MQ Explorer is started on Linux
  IT45074An MFT agent can receive BFGSS0024E due to receiving a 2127 when performing a PDS Member transfer
  IT45113SIGSEGV in reconnectable MQ client application
  IT45156HTTP POST requests submitted to the MQ REST API (mqweb) without Content-Type header "charset=UTF-8" are processed incorrectly
  IT45181XMS .NET applications connecting to a queue sharing group throw MQRC 6109 while closing the consumer
  IT45206Intermittent timing issue where an MFT resource monitor may send an unexpected 0 byte file.
  IT45247Additional information added into ZF225050 First failure data (FDC) file
  IT45299IBM MQ classes for Java and classes for JMS applications using a TLS 1.3 cipher fail if key resets are enabled.
  IT45567MQ Appliance: crtdrprimary/crtdrsecondary command allows duplicate RecoveryName and RecoveryIP in command line
  IT45625JMQI does not replace unmappable characters in the message body when indicated to do so.
  IT45740Using the com.ibm.mq.headers.MQMD.copyFrom() method and MQ classes for Java can result in a NullPointerException
  IT45943IBM MQ TLS Client support for Extended Master Secret (EMS)
  IT45968Connection from a back-level client sending an MQCSP structure is rejected when PasswordProtection=warn
  IT46066Changes to MQ Managed File Transfer (MFT) to support Java 21 and later
  IT46242IBM MQ resource adapter generates FDC during transaction recovery when running inside WebSphere Liberty
  PH55191The wmq.jmsra.ivt.ear provided by IBM MQ for z/OS returns unreadable characters.
  SE808185725A49 "C CLIENT" INSTALL LOG ROLLOVER PROCESSING INCORRECT
  SE808415725A49 MQ "C CLIENT" ERROR LOGGING PER-USER ROLLOVER FAILURE
  SE80990Keystores created using the default runmqckm settings are not compatible with IBM i

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Document Information

Modified date:
17 December 2025

UID

ibm17157705

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