EUVD-2026-23166

| CVE-2026-6350 CRITICAL
2026-04-16 twcert GHSA-6v5j-prr3-phf9
Stack Overflow Buffer Overflow RCE
9.3
CVSS 4.0
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CVSS VectorNVD

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
X

Lifecycle Timeline

7
Analysis Updated
Apr 16, 2026 - 05:31 vuln.today
v3 (patch_released)
Re-analysis Queued
Apr 16, 2026 - 05:29 backfill_euvd_patch
patch_released
patch_available
Apr 16, 2026 - 05:29 EUVD
6.1.10.054,5.2.10.099
Analysis Updated
Apr 16, 2026 - 03:43 vuln.today
v2 (cvss_changed)
Re-analysis Queued
Apr 16, 2026 - 03:34 vuln.today
cvss_changed
CVSS Changed
Apr 16, 2026 - 03:34 NVD
9.8 (CRITICAL) 9.3 (CRITICAL)
Analysis Generated
Apr 16, 2026 - 02:51 vuln.today

DescriptionNVD

MailGates/MailAudit developed by Openfind has a Stack-based Buffer Overflow vulnerability, allowing unauthenticated remote attackers to control the program's execution flow and execute arbitrary code.

AnalysisAI

Remote unauthenticated code execution in Openfind MailGates (5.0-6.0) and MailAudit (5.0-6.0) via stack-based buffer overflow allows complete system compromise. Attackers can send crafted network requests to exploit CWE-121 buffer overflow conditions without authentication, achieving arbitrary code execution with high impact to confidentiality, integrity, and availability. …

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RemediationAI

Within 24 hours: Identify all instances of MailGates and MailAudit in versions 5.0-6.0 across your environment and determine internet exposure. Within 7 days: Apply vendor patches immediately-upgrade MailGates to version 6.1.10.054 (for 6.x) or 5.2.10.099 (for 5.x), and MailAudit to version 6.1.10.054 (for 6.x) or 5.2.10.099 (for 5.x). …

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EUVD-2026-23166 vulnerability details – vuln.today
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