Ibm: >> Mq >> 9.1.0.33 Security Vulnerabilities
IBM MQ could allow an authenticated attacker with cluster access to cause a denial of service or potentially execute arbitrary code due to improper validation of cluster command message lengths.
CVSS Score
7.5
EPSS Score
0.005
Published
2026-09-18
IBM MQ could allow an authenticated attacker to cause a denial of service or potentially execute arbitrary code due to a stack buffer overflow when processing XA transaction identifiers.
CVSS Score
8.8
EPSS Score
0.006
Published
2026-09-18
IBM MQ could allow an authenticated attacker to cause a denial of service or potentially execute arbitrary code due to an integer overflow in distribution list processing.
CVSS Score
8.8
EPSS Score
0.006
Published
2026-09-18
IBM MQ could allow an authenticated attacker to cause a denial of service or potentially escalate privileges due to a heap buffer overflow when processing MQPUT operations with malformed distribution headers.
CVSS Score
8.8
EPSS Score
0.005
Published
2026-09-18
IBM MQ could allow a remote attacker to cause a denial of service or execute arbitrary code due to a buffer overflow when processing malformed compressed data on channels configured with compression enabled.
CVSS Score
8.1
EPSS Score
0.008
Published
2026-09-18
IBM MQ 9.1.0.0 through 9.1.0.33 LTS, 9.2.0.0 through 9.2.0.40 LTS, 9.3.0.0 through 9.3.0.36 LTS, 9.30.0 through 9.3.5.1 CD, 9.4.0.0 through 9.4.0.17 LTS, and 9.4.0.0 through 9.4.4.1 CD
CVSS Score
5.0
EPSS Score
0.001
Published
2026-03-03
IBM MQ 7.5.0.0 - 7.5.0.9, 7.1.0.0 - 7.1.0.9, 8.0.0.0 - 8.0.0.12, 9.0.0.0 - 9.0.0.6, 9.1.0.0 - 9.1.0.2, and 9.1.0 - 9.1.2 command server is vulnerable to a denial of service attack caused by an authenticated and authorized user using specially crafted PCF messages. IBM X-Force ID: 162084.
CVSS Score
5.3
EPSS Score
0.014
Published
2019-09-26