Critical (9.8) in ibm mq. EPSS 0.8% chance of exploitation in the next 30 days.
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.
Severity
CVSS 3.1
9.8 critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
0.8% chance of exploitation in the next 30 days; higher than 56% of CVEs (scores of 2026-10-31)