{"id":"CVE-2026-12665","revision":null,"records":[{"revision":"9666f2db87684405afb77f6f07ab386d","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-12665","aliases":[],"title":"IBM MQ Buffer Overflow","description":"IBM MQ could allow a remote attacker to execute arbitrary code due to a stack buffer overflow when processing TLS certificates with malformed distinguished names during channel connection establishment.","state":0,"publishedAt":"2026-10-19T16:40:12.974+00:00","modifiedAt":"2026-10-20T12:58:19.535+00:00","affected":[{"ecosystem":"Vendor product","name":"MQ Operator","ranges":[],"versions":[],"rawVersionEvidence":"{\n \"vendor\": \"IBM\",\n \"product\": \"MQ Operator\",\n \"versions\": [\n {\n \"status\": \"affected\",\n \"version\": \"3.2.0\",\n \"lessThanOrEqual\": \"3.2.29\",\n \"versionType\": \"semver\"\n },\n {\n \"status\": \"affected\",\n \"version\": \"3.3.0\",\n \"lessThan\": \"3.4.0\",\n \"versionType\": \"semver\"\n 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