{"id":"CVE-2023-28523","aliases":["EUVD-2023-32193","GHSA-hg8q-63q2-p669"],"status":"published","title":"IBM Informix Dynamic Server buffer overflow","description":"IBM Informix Dynamic Server 12.10 and 14.10 onsmsync is vulnerable to a heap buffer overflow, caused by improper bounds checking which could allow an attacker to execute arbitrary code.  IBM X-Force ID:  250753.","severity":{"version":"3.1","score":8.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00286,"percentile":0.21307,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-122","CWE-787"],"published":"2023-12-09T02:24:19Z","modified":"2026-06-17T05:47:55Z","products":[{"vendor":"ibm","product":"informix dynamic server"},{"vendor":"ibm","product":"informix_dynamic_server"},{"vendor":"ibm","product":"informix_dynamic_server_on_cloud_pak_for_data"}],"references":[{"url":"https://www.ibm.com/support/pages/node/7070188","tags":["vendor-advisory","x_transferred","Vendor Advisory"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/250753","tags":["vdb-entry","x_transferred","VDB Entry","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-28523"},{"url":"https://github.com/advisories/GHSA-hg8q-63q2-p669"}],"sources":{"cve":[{"id":"CVE-2023-28523","title":"IBM Informix Dynamic Server buffer overflow","description":"\nIBM Informix Dynamic Server 12.10 and 14.10 onsmsync is vulnerable to a heap buffer overflow, caused by improper bounds checking which could allow an attacker to execute arbitrary code.  IBM X-Force ID:  250753.\n\n","status":"published","published":"2023-12-09T02:24:19.177Z","modified":"2025-05-27T15:11:52.865Z","cvss":[{"version":"3.1","score":8.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-122"],"updated_at":"2026-11-02T14:35:32.752775Z"}],"euvd":[{"id":"EUVD-2023-32193","description":"\nIBM Informix Dynamic Server 12.10 and 14.10 onsmsync is vulnerable to a heap buffer overflow, caused by improper bounds checking which could allow an attacker to execute arbitrary code.  IBM X-Force ID:  250753.\n\n","status":"published","published":"2023-12-09T02:24:19Z","modified":"2025-05-27T15:11:52Z","cvss":[{"version":"3.1","score":8.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T20:32:38.348652Z"}],"ghsa":[{"id":"GHSA-hg8q-63q2-p669","title":"\nIBM Informix Dynamic Server 12.10 and 14.10 onsmsync is vulnerable to a heap buffer overflow,...","description":"\nIBM Informix Dynamic Server 12.10 and 14.10 onsmsync is vulnerable to a heap buffer overflow, caused by improper bounds checking which could allow an attacker to execute arbitrary code.  IBM X-Force ID:  250753.\n\n","status":"published","published":"2023-12-09T03:30:16Z","modified":"2023-12-21T05:05:20Z","cvss":[{"version":"3.1","score":8.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-122","CWE-787"],"updated_at":"2026-11-02T14:55:15.236949Z"}],"nvd":[{"id":"CVE-2023-28523","description":"\nIBM Informix Dynamic Server 12.10 and 14.10 onsmsync is vulnerable to a heap buffer overflow, caused by improper bounds checking which could allow an attacker to execute arbitrary code.  IBM X-Force ID:  250753.\n\n","status":"published","published":"2023-12-09T03:15:06.92Z","modified":"2026-06-17T05:47:55.483Z","cvss":[{"version":"3.1","score":8.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"},{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"}],"cwes":["CWE-122","CWE-787"],"updated_at":"2026-11-02T14:08:54.010507Z"}]}}