CVE-2026-82344: IBM Guardium Data Protection

Critical severity, CVSS 9.8. EPSS: 0.4% chance of exploitation in the next 30 days.

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.

Affected products

• IBM Guardium Data Protection: version 12.0 only; version 12.1 only

Published 2026-10-08. Last modified 2026-10-10.