{"id":"CVE-2018-1636","aliases":["EUVD-2018-12215","GHSA-7j5j-7jpv-gf26"],"status":"published","title":"Stack-based buffer overflow in oninit in IBM Informix Dynamic Server Enterprise Edition 12.1...","description":"Stack-based buffer overflow in oninit in IBM Informix Dynamic Server Enterprise Edition 12.1 allows an authenticated user to execute predefined code with root privileges, such as escalating to a root shell. IBM X-Force ID: 144441.","severity":{"version":"3.0","score":8.2,"vector":"CVSS:3.0/AC:L/UI:N/S:C/PR:H/C:H/I:H/A:H/AV:L/E:U/RC:C/RL:O","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-08","score":0.00439,"percentile":0.38454,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-787"],"published":"2019-08-20T18:50:22Z","modified":"2026-06-17T01:51:31Z","products":[{"vendor":"ibm","product":"informix dynamic server enterprise edition"},{"vendor":"ibm","product":"informix_dynamic_server"}],"references":[{"url":"http://www.ibm.com/support/docview.wss?uid=ibm10964987","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/144441","tags":["vdb-entry","x_refsource_XF","x_transferred","VDB Entry","Vendor Advisory"]},{"url":"https://security.netapp.com/advisory/ntap-20190903-0002/","tags":["x_refsource_CONFIRM","x_transferred","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-1636"},{"url":"https://github.com/advisories/GHSA-7j5j-7jpv-gf26"}],"sources":{"cve":[{"id":"CVE-2018-1636","description":"Stack-based buffer overflow in oninit in IBM Informix Dynamic Server Enterprise Edition 12.1 allows an authenticated user to execute predefined code with root privileges, such as escalating to a root shell. IBM X-Force ID: 144441.","status":"published","published":"2019-08-20T18:50:22.967Z","modified":"2024-09-16T17:48:43.517Z","cvss":[{"version":"3.0","score":8.2,"vector":"CVSS:3.0/AC:L/UI:N/S:C/PR:H/C:H/I:H/A:H/AV:L/E:U/RC:C/RL:O","level":"high","assessor":"cna"}],"updated_at":"2026-11-02T14:35:09.139955Z"}],"euvd":[{"id":"EUVD-2018-12215","description":"Stack-based buffer overflow in oninit in IBM Informix Dynamic Server Enterprise Edition 12.1 allows an authenticated user to execute predefined code with root privileges, such as escalating to a root shell. IBM X-Force ID: 144441.","status":"published","published":"2019-08-20T18:50:22Z","modified":"2024-09-16T17:48:43Z","cvss":[{"version":"3.0","score":8.2,"vector":"CVSS:3.0/AC:L/UI:N/S:C/PR:H/C:H/I:H/A:H/AV:L/E:U/RC:C/RL:O","level":"high"}],"updated_at":"2026-11-03T00:55:38.742114Z"}],"ghsa":[{"id":"GHSA-7j5j-7jpv-gf26","title":"Stack-based buffer overflow in oninit in IBM Informix Dynamic Server Enterprise Edition 12.1...","description":"Stack-based buffer overflow in oninit in IBM Informix Dynamic Server Enterprise Edition 12.1 allows an authenticated user to execute predefined code with root privileges, such as escalating to a root shell. IBM X-Force ID: 144441.","status":"published","published":"2022-05-24T16:54:03Z","modified":"2023-03-03T05:07:53Z","cvss":[{"version":"3.1","score":6.7,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"medium"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:54:15.627441Z"}],"nvd":[{"id":"CVE-2018-1636","description":"Stack-based buffer overflow in oninit in IBM Informix Dynamic Server Enterprise Edition 12.1 allows an authenticated user to execute predefined code with root privileges, such as escalating to a root shell. IBM X-Force ID: 144441.","status":"published","published":"2019-08-20T19:15:10.353Z","modified":"2026-06-17T01:51:31.253Z","cvss":[{"version":"3.1","score":6.7,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"medium","assessor":"primary"},{"version":"3.0","score":8.2,"vector":"CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H","level":"high","assessor":"secondary"},{"version":"2.0","score":7.2,"vector":"AV:L/AC:L/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:04:59.278647Z"}]}}