CVE-2019-4614
IBM MQ and IBM MQ Appliance 8.0 and 9.0 LTS client connecting to a Queue Manager could cause a SIGSEGV denial of service caused by converting an invalid message.
Does this matter?
Lower severity and a low EPSS score (1.56%). Track it; it rarely justifies an emergency change on its own.
Description
IBM MQ and IBM MQ Appliance 8.0 and 9.0 LTS client connecting to a Queue Manager could cause a SIGSEGV denial of service caused by converting an invalid message. IBM X-Force ID: 168639.
- CVSS 3.1
- 6.5 MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 1.56% probability · 75th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Affected
- ibm/mq · ibm/mq appliance
- Source
- psirt@us.ibm.com
EPSS 1.6% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://exchange.xforce.ibmcloud.com/vulnerabilities/168639VDB Entry, Vendor Advisory
- https://www.ibm.com/support/pages/node/1106523Vendor Advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/168639VDB Entry, Vendor Advisory
- https://www.ibm.com/support/pages/node/1106523Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.