CVE-2026-82334: CWE-125 Out-of-bounds Read in IBM Guardium Data Protection
Description
IBM Guardium Data Protection versions 12.0, 12.1, and 12.2 contain a heap-based out-of-bounds read vulnerability in the TDS7 LOGIN7 protocol parser. This flaw can be triggered remotely by sending a specially crafted TDS LOGIN7 packet with invalid offset or length values. Successful exploitation could lead to information disclosure or denial of service. The vulnerability has a high severity rating with a CVSS score of 8.1.
CVSS v3.1
Score 8.1high
Affected software
IBM
Guardium Data Protection
cpe:2.3:a:ibm:guardium_data_protection:12.2:*:*:*:*:*:*:*cpe:2.3:a:ibm:guardium_data_protection:12.2.0:*:*:*:*:*:*:*Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-82334 is a heap-based out-of-bounds read vulnerability in IBM Guardium Data Protection 12.0, 12.1, and 12.2. The issue exists in the TDS7 LOGIN7 protocol parser, where a remote attacker can send a crafted LOGIN7 packet containing invalid offset or length values. This can cause the software to read memory outside the intended buffer boundaries, potentially resulting in information disclosure or denial of service conditions.
Potential Impact
An attacker without privileges can remotely exploit this vulnerability by sending malformed TDS LOGIN7 packets. The impact includes potential disclosure of sensitive information from memory and denial of service due to application instability or crash. The CVSS score of 8.1 reflects high impact on confidentiality, integrity, and availability.
Mitigation Recommendations
No patch or official fix information is provided in the available data. Patch status is not yet confirmed — check the IBM vendor advisory for current remediation guidance. Until a fix is available, restrict network access to the affected service and monitor for suspicious TDS LOGIN7 traffic if possible.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- ibm
- Date Reserved
- 2026-08-28T15:53:36.828Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6ac7feef2cdf04f656318bff
Added to database: 10/08/2026, 20:37:03 UTC
Last enriched: 10/08/2026, 20:49:47 UTC
Last updated: 10/08/2026, 21:08:12 UTC
Views: 7
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