{"id":"CVE-2026-10747","aliases":["EUVD-2026-83018","GHSA-xp86-qf4h-97h5"],"status":"published","title":"IBM MQ Appliance is affected by a heap buffer overflow vulnerability in protocol message processing","description":"IBM MQ Appliance could allow a remote attacker to cause a denial of service or potentially execute arbitrary code due to a heap buffer overflow in protocol message processing before authentication.","severity":{"version":"3.1","score":10,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00945,"percentile":0.61378,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-122"],"published":"2026-09-18T15:55:43Z","modified":"2026-09-21T13:17:07Z","products":[{"vendor":"ibm","product":"mq appliance"}],"references":[{"url":"https://www.ibm.com/support/pages/node/7284690","tags":["vendor-advisory","patch"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-10747"},{"url":"https://github.com/advisories/GHSA-xp86-qf4h-97h5"}],"sources":{"cve":[{"id":"CVE-2026-10747","title":"IBM MQ Appliance is affected by a heap buffer overflow vulnerability in protocol message processing","description":"IBM MQ Appliance could allow a remote attacker to cause a denial of service or potentially execute arbitrary code due to a heap buffer overflow in protocol message processing before authentication.","status":"published","published":"2026-09-18T15:55:43.394Z","modified":"2026-09-21T12:47:23.571Z","cvss":[{"version":"3.1","score":10,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical","assessor":"cna"}],"cwes":["CWE-122"],"updated_at":"2026-11-02T13:40:01.309549Z"}],"euvd":[{"id":"EUVD-2026-83018","description":"IBM MQ Appliance could allow a remote attacker to cause a denial of service or potentially execute arbitrary code due to a heap buffer overflow in protocol message processing before authentication.","status":"published","published":"2026-09-18T15:55:43Z","modified":"2026-09-21T12:47:23Z","cvss":[{"version":"3.1","score":10,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T17:28:05.72344Z"}],"ghsa":[{"id":"GHSA-xp86-qf4h-97h5","title":"IBM MQ Appliance could allow a remote attacker to cause a denial of service or potentially...","description":"IBM MQ Appliance could allow a remote attacker to cause a denial of service or potentially execute arbitrary code due to a heap buffer overflow in protocol message processing before authentication.","status":"published","published":"2026-09-18T18:31:39Z","modified":"2026-09-18T18:31:55Z","cvss":[{"version":"3.1","score":10,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-122"],"updated_at":"2026-11-02T15:12:11.358904Z"}],"nvd":[{"id":"CVE-2026-10747","description":"IBM MQ Appliance could allow a remote attacker to cause a denial of service or potentially execute arbitrary code due to a heap buffer overflow in protocol message processing before authentication.","status":"published","published":"2026-09-18T16:17:04.413Z","modified":"2026-09-21T13:17:07.147Z","cvss":[{"version":"3.1","score":10,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical","assessor":"secondary"}],"cwes":["CWE-122"],"updated_at":"2026-11-02T14:12:49.70655Z"}]}}