---
id: CVE-2026-82344
title: "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"
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 fix…"
severity: high
cvss: 8.1
cvssVector: 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H'
cwe:
  - CWE-119
  - CWE-787
vendor: ibm
product: guardium_data_protection
affected:
  - guardium_data_protection = 12.0
  - guardium_data_protection = 12.1
published: '2026-10-08'
updated: '2026-10-09'
sourceUpdated: '2026-10-09T14:23:53.663'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-82344'
references:
  - url: 'https://www.ibm.com/support/pages/node/7291670'
    label: psirt@us.ibm.com
tags:
  - nvd
epss: 0.00384
epssPercentile: 0.30391
ingestedAt: '2026-10-08T21:07:56.443Z'
---

## Overview

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

- `guardium_data_protection = 12.0`
- `guardium_data_protection = 12.1`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.