IBM MQ Operator information disclosure

published 2025-07-24 15 mo ago modified 2026-06-17 4 mo ago also EUVD-2025-22523

cvss: 6.2; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.2%; EPSS 0.2% chance of exploitation in 30 days, percentile 4%
public exploits: 0; none known

IBM MQ Operator LTS 2.0.0 through 2.0.29, MQ Operator CD 3.0.0, 3.0.1, 3.1.0 through 3.1.3, 3.3.0, 3.4.0, 3.4.1, 3.5.0, 3.5.1, 3.6.0, and MQ Operator SC2 3.2.0 through 3.2.13 Container could disclose sensitive information to a local user due to improper clearing of heap memory before release.

Patch / fix

links 1

ibm.com/support/pages/node/7240431 advisory

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 15 mo ago (2025-07-24)

Exploit prediction

0.15% chance of exploitation in the next 30 days, higher than 4% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	6.2	CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
NVD	3.1	5.5	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Affected products

IBM MQ Operator

Classification

Weakness

CWE-244 Improper Clearing of Heap Memory Before Release
CWE-212 Improper Removal of Sensitive Information Before Storage or Transfer

References

ibm.com /support/pages/node/7240431
vendor-advisory, patch

Sources

CVE List CVE-2025-33013
NVD CVE-2025-33013

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary