{"schemaVersion":3,"id":"CVE-2026-84058","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"IBM Guardium Data Protection 12.0, 12.1, and 12.2 is vulnerable to a buffer overrun in the TDS (Microsoft SQL Server) PRELOGIN packet decoder. A remote attacker who can send a specially crafted TDS PRELOGIN packet to a network monitored by an IBM Guardium Collector may cause a denial of service or potentially execute arbitrary code on the Collector appliance.","dates":{"published":"2026-10-08T21:28:38.680Z","modified":"2026-10-10T03:55:28.864Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":9.8,"severity":"critical","version":"3.1","versionLabel":"v3.1","source":"NVD","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","computed":false,"selection":"backend-summary"},"metrics":[{"version":"3.1","versionLabel":"v3.1","source":"CVE.org","score":8.1,"severity":"high","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","exploitability":null,"impact":null,"computed":false},{"version":"3.1","versionLabel":"v3.1","source":"NVD","score":9.8,"severity":"critical","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.0037,"percentile":0.29696,"severity":"low","asOf":"2026-10-21T00:00:00.000Z","change":{"pp":null,"baselineDate":null,"baselineScore":null},"history":[{"date":"2026-10-09T00:00:00.000Z","score":0.00359,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.00359,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.00359,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.00359,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.00359,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.00359,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.0037,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.0037,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.0037,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.0037,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.0037,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.0037,"percentile":null},{"date":"2026-10-21T00:00:00.000Z","score":0.0037,"percentile":0.29696}],"last30":[{"date":"2026-10-09T00:00:00.000Z","score":0.00359,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.00359,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.00359,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.00359,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.00359,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.00359,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.0037,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.0037,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.0037,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.0037,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.0037,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.0037,"percentile":null},{"date":"2026-10-21T00:00:00.000Z","score":0.0037,"percentile":0.29696}]},"kev":{"state":"not-listed","entries":[],"listedCount":0,"totalCatalogs":3,"catalogs":[{"source":"cisa","label":"CISA","listed":false,"entry":null},{"source":"enisa","label":"ENISA","listed":false,"entry":null},{"source":"circl","label":"CIRCL","listed":false,"entry":null}]},"ransomware":{"state":"none-recorded","sources":[]},"exploits":[],"exploitCount":0,"weaknesses":[{"id":"CWE-119","name":"Improper Restriction of Operations within the Bounds of a Memory Buffer","description":"The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.","type":"weakness","status":"Stable","abstraction":"Class","likelihoodOfExploit":"High","url":"https://cwe.mitre.org/data/definitions/119.html"}],"affected":[{"vendor":"ibm","product":"guardium data protection","name":"Guardium Data Protection","label":"guardium data protection","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"12.0","noFixRecorded":false,"fixedIn":null},{"text":"12.1","noFixRecorded":false,"fixedIn":null},{"text":"12.2","noFixRecorded":false,"fixedIn":null},{"text":"≥ 12.0, ≤ 12.2","noFixRecorded":false,"fixedIn":null}],"versionsText":"12.0 | 12.1 | 12.2 | ≥ 12.0, ≤ 12.2","eol":null,"hubHref":"/vendor/ibm/guardium_data_protection"}],"affectedCount":1,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://www.ibm.com/support/pages/node/7291674","label":"www.ibm.com/support/pages/node/7291674","hostname":"www.ibm.com","tags":["Vendor Advisory","Patch"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2026-10-08T21:28:38.680Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-10-10T03:55:28.864Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":70,"level":"high","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-22T10:50:37.713Z","stale":false,"partial":false}}