Multiple vulnerabilities affect the Sniffer component as part of IBM Guardium Data Protection

Summary

CVECVE-2026-84058
StatePUBLISHED
Assigneribm
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-10-08 22:17:33 UTC
Updated2026-10-09 16:35:35 UTC
DescriptionIBM 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.

Risk And Classification

Primary CVSS: v3.1 8.1 HIGH from [email protected]

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Problem Types: CWE-119 | CWE-119 CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer


VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary8.1HIGHCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
3.1CNACVSS8.1HIGHCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA IBM Guardium Data Protection affected 12.0 Not specified
CNA IBM Guardium Data Protection affected 12.1 Not specified
CNA IBM Guardium Data Protection affected 12.2 Not specified

References

ReferenceSourceLinkTags
www.ibm.com/support/pages/node/7291674 [email protected] www.ibm.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Additional Advisory Data

Solutions

CNA: For all affected versions, IBM strongly recommends addressing these vulnerabilities now by applying the latest IBM Guardium Data Protection Sniffer patch:  https://www.ibm.com/support/fixcentral/swg/quickorder?parent=IBM%20Security&product=ibm/Information+Management/InfoSphere+Guardium&release=12.2&platform=All&function=fixId&fixids=SqlGuard_12.0p4018_SnifferUpdate&includeSupersedes=0&source=fc

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