Description
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
References (1)
Core 1
Core References
Various Sources vendor-advisory
https://community.openvpn.net/Security%20Announcements/CVE-2026-2738
Scores
CVSS v4
5.6
EPSS
0.0011
EPSS Percentile
1.8%
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
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-131
Status
published
Products (1)
OpenVPN/ovpn-dco-win
2.8.0
Published
Feb 19, 2026
Tracked Since
Feb 20, 2026