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Vulnerability record · CVE-2026-84058 · published 8 October 2026

CVE-2026-84058: Ibm guardium data protection memory buffer overflow vulnerability

Ibm · Guardium Data Protection

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.

9.8 CVSS 3.1 Critical EPSS 0.36% · top 72.1% CWE-119 · Memory buffer overflow
9.8CVSS 3.1 base score
0.36%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
1References
14 Oct 2026Last modified by NVD

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.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://www.ibm.com/support/pages/node/7291674 PatchVendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.9CVE-2026-84075Ibm guardium data protection missing authentication for critical function vulnerabilityIBM Guardium Data Protection 12.2 could allow a remote attacker to bypass security restrictions due to missing authentication for the ChangeTrackerSe…EPSS 0.56%9.9CVE-2026-84078Ibm guardium data protection missing authentication for critical function vulnerabilityIBM Guardium Data Protection 12.2 is vulnerable to a missing authentication vulnerability in the LoadBalancerServlet. An unauthenticated user can acc…EPSS 0.47%9.9CVE-2026-84064Ibm guardium data protection sql injection vulnerabilityIBM Guardium Data Protection 12.2 could allow a remote authenticated attacker to execute arbitrary SQL commands due to improper neutralization of spe…EPSS 0.63%9.8CVE-2026-84209Ibm guardium data protection sql injection vulnerabilityIBM Guardium Data Protection 12.2.2, and 12.1 could allow a remote attacker to execute arbitrary SQL commands due to improper neutralization of speci…EPSS 0.30%9.8CVE-2026-84035Ibm guardium data protection stack-based buffer overflow vulnerabilityIBM Guardium Data Protection 12.0, 12.1, and 12.2 could allow a remote attacker to execute arbitrary code due to a stack-based buffer overflow.EPSS 0.37%9.8CVE-2026-84246Ibm guardium data protection classic buffer overflow vulnerabilityIBM Guardium Data Protection 12.0, 12.1, and 12.2 could allow a remote attacker to execute arbitrary code due to a buffer overflow.EPSS 0.37%9.8CVE-2026-84057Ibm guardium data protection os command injection vulnerabilityIBM Guardium Data Protection 12.2.2, and 12.1 could allow a remote attacker to execute arbitrary commands due to improper neutralization of special e…EPSS 0.36%9.8CVE-2026-84198Ibm guardium data protection classic buffer overflow vulnerabilityIBM Guardium Data Protection 12.0, 12.1, and 12.2 could allow a remote attacker to execute arbitrary code due to a buffer overflow.EPSS 0.37%

Source: NIST National Vulnerability Database (record CVE-2026-84058), CISA KEV, FIRST EPSS (scores of 2026-10-14). This page is refreshed as NVD updates the record.