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Medium 5.6Published Feb 19, 2026

CVE-2026-2738Buffer 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 pack…

Updated under an hour ago ()

Does this affect you?

It affects OpenVPN ovpn-dco-win. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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

CVSS
5.6 MEDIUM (v4.0, CNA)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
Weakness (CWE)
CWE-131
Known exploited
Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days)
Not loaded for this CVE
Assigned by
OpenVPN
NVD analysis
Deferred
Record last updated
Feb 20, 2026
First seen by InfoSec Signals
Oct 9, 2026

Affected products

Affected products
OpenVPN ovpn-dco-win
openvpn:ovpn_dco_win (from the name)
2.8.0
CNA record

References

References

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.

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