IBM Guardium Data Protection 12.0/12.1/12.2 TrafficTap heap-based overflow

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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9.1$5k-$25k2.12+

Summaryinfo

A vulnerability described as very critical has been identified in IBM Guardium Data Protection 12.0/12.1/12.2. This affects an unknown part of the component TrafficTap. The manipulation results in heap-based overflow. This vulnerability is known as CVE-2026-82344. It is possible to launch the attack remotely. No exploit is available.

Detailsinfo

A vulnerability, which was classified as very critical, was found in IBM Guardium Data Protection 12.0/12.1/12.2. Affected is an unknown code block of the component TrafficTap. The manipulation with an unknown input leads to a heap-based overflow vulnerability. CWE is classifying the issue as CWE-122. A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc(). This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

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.

The advisory is shared for download at ibm.com. This vulnerability is traded as CVE-2026-82344 since 08/28/2026. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $5k-$25k (estimation calculated on 10/08/2026).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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Version

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.1
VulDB Meta Temp Score: 9.1

VulDB Base Score: 10.0
VulDB Temp Score: 10.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 8.1
CNA Vector (ibm): 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Heap-based overflow
CWE: CWE-122 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

08/28/2026 CVE reserved
10/08/2026 +41 days Advisory disclosed
10/08/2026 +0 days VulDB entry created
10/08/2026 +0 days VulDB entry last update

Sourcesinfo

Vendor: ibm.com

Advisory: ibm.com
Status: Confirmed

CVE: CVE-2026-82344 (🔒)
GCVE (CVE): GCVE-0-2026-82344
GCVE (VulDB): GCVE-100-415560

Entryinfo

Created: 10/08/2026 21:44
Changes: 10/08/2026 21:44 (62)
Complete: 🔍
Cache ID: 216::103

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