MajorCritical vulnerability
CVE-2026-84058 (CVSS 8.1)
NVD · officialPublished Oct 8, 2026Risk 37/100
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.
Technical details
CVSS
8.1
AV:NetworkAC:HighPR:NoneUI:NoneC:HighI:HighA:High
Evidence and sources
This record is attributed to NVD. Exploitation status and remediation guidance are kept separate from the vulnerability's technical severity.
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