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High-Risk Vulnerability in IBM Guardium Data Protection Disclosed

High-Risk Vulnerability in IBM Guardium Data Protection Disclosed

First seen 9 Oct 2026, 01:37 UTC • •
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ThreatCluster AI
ThreatCluster •October 9, 2026 at 02:37 UTC
  • •CVE-2026-82344 affects IBM Guardium Data Protection versions 12.0, 12.1, and 12.2.
  • •The vulnerability allows for potential denial of service or arbitrary code execution.
  • •IBM recommends immediate patching to mitigate the risk.

IBM Guardium Data Protection versions 12.0, 12.1, and 12.2 are vulnerable to CVE-2026-82344, a heap-based buffer overflow in the S-TAP TrafficTap TDS login reassembly functionality. This vulnerability allows unauthenticated remote attackers to send crafted TDS login fragments, potentially leading to denial of service or arbitrary code execution. The CVSS score for this vulnerability is 8.1, indicating a high severity level. Organizations using Windows S-TAP for SQL Server traffic monitoring are particularly at risk, especially if their database-facing network paths are accessible from untrusted networks. IBM recommends applying the latest patch to mitigate this vulnerability. As of now, there is no confirmed exploitation in the wild or proof-of-concept code available. The vulnerability was published on October 8, 2026.

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Timeline

2026-10-08
CVE-2026-82344 published
IBM disclosed a heap-based buffer overflow vulnerability in Guardium Data Protection affecting multiple versions.
Redpacketsecurity
2026-10-09
IBM recommends patching
IBM advised users to apply the latest patch for the Windows S-TAP component to address the vulnerabilities.
IBM

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Common questions

Which versions of IBM Guardium are affected?
IBM Guardium Data Protection versions 12.0, 12.1, and 12.2 are affected by CVE-2026-82344.
Is this vulnerability being actively exploited?
No confirmed exploitation has been reported for CVE-2026-82344 as of now.
What should organizations do to protect themselves?
Organizations should apply the latest patch for the Windows S-TAP component as recommended by IBM.