---
id: CVE-2026-82335
title: >-
  IBM Guardium Data Protection 12.0, 12.1, 12.2 is vulnerable to a heap-based
  buffer overflow in the MongoDB protocol parser
summary: >-
  IBM Guardium Data Protection 12.0, 12.1, 12.2 is vulnerable to a heap-based
  buffer overflow in the MongoDB protocol parser. A remote attacker could send a
  specially crafted MongoDB SCRAM username containing an excessive length and
  cause …
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
  - guardium_data_protection = 12.2
published: '2026-10-08'
updated: '2026-10-09'
sourceUpdated: '2026-10-09T14:24:00.660'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-82335'
references:
  - url: 'https://www.ibm.com/support/pages/node/7291674'
    label: psirt@us.ibm.com
tags:
  - nvd
epss: 0.00369
epssPercentile: 0.28832
ingestedAt: '2026-10-08T21:07:56.442Z'
---

## Overview

IBM Guardium Data Protection 12.0, 12.1, 12.2 is vulnerable to a heap-based buffer overflow in the MongoDB protocol parser. A remote attacker could send a specially crafted MongoDB SCRAM username containing an excessive length and cause memory corruption, potentially resulting in denial of service or arbitrary code execution.

## Affected

- `guardium_data_protection = 12.0`
- `guardium_data_protection = 12.1`
- `guardium_data_protection = 12.2`

## Remediation

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