Ibm Guardium Data Protection — CVE-2026-82344 (Critical)

Date Oct 8, 2026

Type Vendor advisory

Signal Critical vendor advisory

Vendor / Product Ibm · Guardium Data Protection

CVE CVE-2026-82344

Critical vendor advisory CVE-2026-82344

Summary

IBM Guardium Data Protection 12.0, 12.1 is vulnerable to a heap-based buffer overflow in the S-TAP TrafficTap TDS login reassembly functionality. An unauthenticated remote attacker can send crafted TDS login fragments that exceed the fixed-size reassembly buffer, potentially resulting in denial of service or arbitrary code execution on the affected system.

Why it matters

This CVE carries a CRITICAL severity rating (CVSS 8.1) in Ibm Guardium Data Protection. Patch or mitigate promptly. EPSS percentile: 30%.

Operator check

Review CVE-2026-82344 in your asset inventory. Apply patches per vendor guidance and verify Guardium Data Protection is not exposed. CVSS score: 8.1. EPSS probability: 0.4%; percentile: 30%.

Sources

NVD — CVE-2026-82344 Source reference

PatchBrief uses public sources. It does not scan environments, verify exposure, or replace vendor guidance.

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