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9.8

IBM Guardium Data Protection Sniffer can be remotely hijacked

CVE-2026-84198 · published 10 days ago
Summary

The Sniffer component in IBM Guardium Data Protection versions 12.0 through 12.2 may let a remote attacker run their own code on the server because of a memory handling mistake. This could let the attacker take control of the system or disrupt data protection functions. Apply the vendor’s security update or patch as soon as it is available to stop the risk.

What to do

The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.

Affected software
VendorProductAffected versions
ibm guardium data protection 12.0
ibm guardium_data_protection >= 12.0, <= 12.2
cpe:2.3:a:ibm:guardium_data_protection:*:*:*:*:*:*:*:*
Original advisory text
Multiple vulnerabilities affect the Sniffer component as part of IBM Guardium Data Protection
IBM Guardium Data Protection 12.0, 12.1, and 12.2 could allow a remote attacker to execute arbitrary code due to a buffer overflow.
References
Fix within
Internet-facing 14 days
Internal At next upgrade
  • Not known to be exploited
  • Needs hands-on effort to exploit
  • Gives an attacker full control
Severity
9.8 Critical
Exploitation
<1% chance of attack within 30 days
Type
CWE-120Classic Buffer Overflow
Timeline
Published8 Oct 2026
Updated15 Oct 2026
First seen8 Oct 2026
Sources
CVE-2026-84198 · NVD
CVE-2026-84198 · MITRE
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