PT-2026-20934 · Unknown · Ovpn-Dco-Win

Published 2026-02-19 · Updated 2026-02-19 · CVE-2026-2738

Positive Technologies (AI Summary)

CVSS v4.0

6.8

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions ovpn‑dco‑win version 2.8.0

Description A buffer overflow exists in ovpn‑dco‑win version 2.8.0. This issue allows a local attacker to cause a system crash by sending oversized packets to the remote peer when the AEAD tag is positioned at the end of the encrypted packet.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

DoS

Weakness Enumeration

CWE-131

Related Identifiers

CVE-2026-2738

Affected Products

Ovpn-Dco-Win

References · 3

• https://nvd.nist.gov/vuln/detail/CVE-2026-2738 · Security Note
• https://community.openvpn.net/Security%20Announcements/CVE-2026-2738 · Vendor Advisory
• https://t.me/CVEtracker/45189 · Telegram Post