{"id":"CVE-2026-84058","title":"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","summary":"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 …","severity":"high","cvss":8.1,"cvssVector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","cwe":["CWE-119"],"vendor":"ibm","product":"guardium_data_protection","affected":["guardium_data_protection >= 12.0, <= 12.2"],"published":"2026-10-08","updated":"2026-10-14","sourceUpdated":"2026-10-14T20:28:15.160","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-84058","references":[{"url":"https://www.ibm.com/support/pages/node/7291674","label":"psirt@us.ibm.com"}],"tags":["nvd","cve.org"],"epss":0.00378,"epssPercentile":0.31587,"ingestedAt":"2026-10-08T23:16:47.397Z","ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"total","timestamp":"2026-10-09T00:00:00+00:00"},"slug":"CVE-2026-84058","body":"## Overview\n\nIBM 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.\n\n## Affected\n\n- `guardium_data_protection >= 12.0, <= 12.2`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":45,"depthScoreParts":{"impact":44.6,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}