CVE-2026-2738

mediumpriority · track · 0EPSS 0.001 · 3 %ileDEEU
grimoire priorityP3 · Track
Exploitable?
—
no known exploitation
Likely / severe?
0.13% (3rd) EPSS
CVSS 5.6 · medium
Is it mine?
3 products
Check your exposure
Who says so?
3 sources
cnnvd · enisa_euvd · cert_bund

EPSS · scored 2026-10-27

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

01

cvss

Technical severity, 0–10. One row per scoring source.

5.6
010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–medium · 3.3–5.6

v4.05.6mediumCVSS: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:Psecondary · ENISA EU
v4.05.6mediumCVSS: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:Xsecondary · security@openvpn.net
v4.03.3lowCVSS: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:U/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:Xsecondary · CVSS-BT (t0sche)
02

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Trackcoordinatorcisa_ssvcUS
03

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-131US
04

affected products (3)

Products and version ranges known to be affected.

05

advisories (1)

Vendor and ecosystem advisories describing this.

  • WID-SEC-W-2026-0468OpenVPN: Schwachstelle ermöglicht Denial of ServiceDeutsch2026-02-19csaf · cert_bundDE

    Ein entfernter, anonymer Angreifer kann eine Schwachstelle in OpenVPN ausnutzen, um einen Denial of Service Angriff durchzuführen.

06

also known as (3)

Other names and identifiers for this entity.

07

sources

Which sources assert this record, and when.

cnnvdenisa_euvdcert_bundNVDCVE.orgMITRE
published 2026-02-19modified 2026-06-17
08

references (4)

External citations — patches, advisories, analysis.

scry

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