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CVE-2026-82344— IBM Guardium Data Protection Buffer Overflow

Quick assessment

Affected
IBM Guardium Data Protection
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

IBM Guardium Data Protection 12.0 和 12.1 版本中存在一个基于堆的缓冲区溢出漏洞，该漏洞位于 S-TAP TrafficTap TDS 登录重放功能中。未经身份验证的远程攻击者可以发送超出固定大小重缓冲区的精心构造的 TDS 登录片段，可能导致受影响的系统发生拒绝服务或任意代码执行。

CVSS 8.1 · High

Affected Version Matrix 3

VendorProduct Version RangeStatus
IBM Guardium Data Protection 12.0 affected
12.1 affected
12.2 affected
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I. Basic Information for CVE-2026-82344

Vulnerability Information
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Vulnerability Title
IBM Guardium Data Protection Buffer Overflow
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
内存缓冲区边界内操作的限制不恰当
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
IBM Guardium Data Protection 12.0 cpe:2.3:a:ibm:guardium_data_protection:12.2:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-82344

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III. Intelligence Information for CVE-2026-82344

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Other References for CVE-2026-82344 (1)

Same Patch Batch · IBM · 2026-10-08 · 93 CVEs total

CVE-2026-16340 9.8 CRITICAL IBM DataPower Gateway Out-of-bounds Write
CVE-2026-75875 9.8 CRITICAL Multiple vulnerabilities affect the Sniffer component as part of IBM Guardium Data Protect
CVE-2026-84249 9.8 CRITICAL IBM Guardium Data Protection is affected by vulnerability
CVE-2026-78401 9.8 CRITICAL Security vulnerabilities have been found in IBM Verify Identity Access and IBM Security Ve
CVE-2026-78406 9.8 CRITICAL Security vulnerabilities have been found in IBM Verify Identity Access and IBM Security Ve
CVE-2026-84272 9.8 CRITICAL IBM Guardium Data Protection Missing Authentication
CVE-2026-14269 9.8 CRITICAL IBM DataPower Gateway Buffer Overflow
CVE-2026-14502 9.8 CRITICAL IBM DataPower Gateway Improper Authentication
CVE-2026-14992 9.8 CRITICAL IBM DataPower Gateway Out-of-bounds Write
CVE-2026-14991 9.8 CRITICAL IBM DataPower Gateway Out-of-bounds Write
CVE-2026-15762 9.8 CRITICAL IBM DataPower Gateway Out-of-bounds Write
CVE-2026-80381 9.8 CRITICAL Multiple vulnerabilities affect the Sniffer component as part of IBM Guardium Data Protect
CVE-2026-14990 9.3 CRITICAL IBM DataPower Gateway affected by cross-site scripting
CVE-2026-84244 9.3 CRITICAL IBM Guardium Data Protection Cross-Site Scripting
CVE-2026-16823 9.1 CRITICAL Security vulnerabilities have been found in IBM Verify Identity Access and IBM Security Ve
CVE-2026-16916 9.1 CRITICAL Security vulnerabilities have been found in IBM Verify Identity Access and IBM Security Ve
CVE-2026-19491 9.1 CRITICAL Security vulnerabilities have been found in IBM Verify Identity Access and IBM Security Ve
CVE-2026-19482 8.8 HIGH Security vulnerabilities have been found in IBM Verify Identity Access and IBM Security Ve
CVE-2026-18740 8.8 HIGH Security vulnerabilities have been found in IBM Verify Identity Access and IBM Security Ve
CVE-2026-16163 8.6 HIGH IBM DataPower Gateway Out-of-bounds Write

Showing top 20 of 93 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Guardium Data Protection
Same vendor: IBM
Same weakness: CWE-119

V. Comments for CVE-2026-82344

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