CVE-2026-84058— Multiple vulnerabilities affect the Sniffer component as part of IBM Guardium Data Protection
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、12.1 和 12.2 在 TDS（Microsoft SQL Server）PRELOGIN 数据包解码器中存在缓冲区溢出漏洞。远程攻击者若能够向由 IBM Guardium Collector 监控的网络发送特制的 TDS PRELOGIN 数据包，可能导致拒绝服务（DoS），或在 Collector 设备上潜在地执行任意代码。
Possible ATT&CK Techniques 3 AI
T1498 · Network Denial of Service T1190 · Exploit Public-Facing Application T1210 · Exploitation of Remote Services
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I. Basic Information for CVE-2026-84058
Vulnerability Information
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Vulnerability Title
Multiple vulnerabilities affect the Sniffer component as part of IBM Guardium Data Protection
Source: CVE Program / CVE List V5
Vulnerability Description
IBM Guardium Data Protection 12.0, 12.1, and 12.2 is vulnerable to a buffer overrun in the TDS (Microsoft SQL Server) PRELOGIN packet decoder. A remote attacker who can send a specially crafted TDS PRELOGIN packet to a network monitored by an IBM Guardium Collector may cause a denial of service or potentially execute arbitrary code on the Collector appliance.
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:12.0:*:*:*:*:*:*:*
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II. Public POCs for CVE-2026-84058
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Other References for CVE-2026-84058 (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-2026-84244 | 9.3 CRITICAL | IBM Guardium Data Protection Cross-Site Scripting |
| CVE-2026-14990 | 9.3 CRITICAL | IBM DataPower Gateway affected by cross-site scripting |
| CVE-2026-19491 | 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-2026-16823 | 9.1 CRITICAL | 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-2026-19482 | 8.8 HIGH | Security vulnerabilities have been found in IBM Verify Identity Access and IBM Security Ve |
| CVE-2026-81932 | 8.6 HIGH | Multiple vulnerabilities affect the Sniffer component as part of IBM Guardium Data Protect |
Showing top 20 of 93 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
Same product: Guardium Data Protection
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CVE-2026-75875
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CVE-2026-82900
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CVE-2026-81932
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CVE-2026-75875
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Multiple vulnerabilities affect the Sniffer component as par -
CVE-2026-82900
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CVE-2026-81932
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Same weakness: CWE-119
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V. Comments for CVE-2026-84058
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