{"id":"CVE-2026-12670","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-12670","generatedAt":"2026-10-28T01:02:43.217Z","title":"IBM MQ could allow an authenticated attacker to cause a denial of service through a specially crafted message that triggers excessive memory operations during character set conversion.","description":"IBM MQ could allow an authenticated attacker to cause a denial of service through a specially crafted message that triggers excessive memory operations during character set conversion.","published":"2026-10-19T17:17:19.000Z","lastModified":"2026-10-23T17:18:28.000Z","status":"Analyzed","sourceIdentifier":"psirt@us.ibm.com","cvss":{"version":"3.1","score":6.5,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"},"cwe":["CWE-681"],"affected":["ibm/mq operator","ibm/supplied mq advanced container images"],"epss":{"score":0.00211,"percentile":0.11283,"date":"2026-10-26","history":[{"date":"2026-10-20","score":0.00198,"percentile":0.09075}]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (0.21%). Track it; it rarely justifies an emergency change on its own."},"changes":[{"kind":"scored","label":"Newly scored","at":"2026-10-23T18:30:13.000Z","detail":{"from":"5.3","score":"6.5","severity":"MEDIUM","fromSeverity":"MEDIUM"},"summary":"Now scored CVSS 6.5 MEDIUM (was 5.3)."},{"kind":"new","label":"New CVE","at":"2026-10-19T17:17:19.000Z","detail":{"score":"5.3","severity":"MEDIUM","publishedAt":"2026-10-19T17:17:19.440Z"},"summary":"New CVE, medium severity (CVSS 6.5)."}],"references":[{"url":"https://www.ibm.com/support/pages/node/7292667","tags":["Vendor Advisory"],"source":"psirt@us.ibm.com"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-12670","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}