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NVD Vulnerability Details :

CVE-2026-2738

Received

Source-security@openvpn.net

Published At-19 Feb, 2026 | 21:18

Updated At-19 Feb, 2026 | 21:18

Buffer overflow in ovpn‑dco‑win version 2.8.0 allows local attackers to cause a system crash by sending too large packets to the remote peer when the AEAD tag appears at the end of the encrypted packet

Date Added	Due Date	Vulnerability Name	Required Action
	N/A

Metrics

Type	Version	Base score	Base severity	Vector
Secondary	4.0	5.6	MEDIUM	CVSS:4.0/AV:L/AC:H/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H/E:P/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

Type: Secondary

Version: 4.0

Base score: 5.6

Base severity: MEDIUM

Vector:

CVSS:4.0/AV:L/AC:H/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H/E:P/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

Weaknesses

CWE ID	Type	Source
CWE-131	Secondary	security@openvpn.net

CWE ID: CWE-131

Type: Secondary

Source: security@openvpn.net

References

Hyperlink	Source	Resource
https://community.openvpn.net/Security%20Announcements/CVE-2026-2738	security@openvpn.net	N/A

Hyperlink: https://community.openvpn.net/Security%20Announcements/CVE-2026-2738

Source: security@openvpn.net

Resource: N/A

CISA Catalog

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Evaluator Description

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Change History