CVE-2026-13379

EUVD-2026-51233
The Windows interactive service in OpenVPN 2.7_alpha1 through 2.7.4 allows remote attackers to cause persistent DNS state pollution or a service crash via a crafted search domain during the disconnection process
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
OpenVPNCNA
5.1 MEDIUM
NETWORK
LOW
LOW
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:P/VC:L/VI:N/VA:L/SC:H/SI:N/SA:H
Base Score
CVSS 3.x
EPSS Score
Percentile: Unknown
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources.
VendorProductVersionSource
openvpnopenvpn
𝑥
≤ 2.7.4
CNA
Debian logo
Debian Releases
Debian Product
Codename
openvpn
bookworm
2.6.14-0+deb12u2
fixed
bookworm (security)
2.6.14-0+deb12u2
fixed
bullseye
2.5.1-3
fixed
bullseye (security)
2.5.1-3+deb11u4
fixed
forky
2.7.5-1
fixed
sid
2.7.5-1
fixed
trixie
2.6.14-1+deb13u3
fixed
trixie (security)
2.6.14-1+deb13u3
fixed
Common Weakness Enumeration
References
https://community.openvpn.net/ReleaseHistory#openvpn-275-released-1-july-2026
https://community.openvpn.net/Security%20Announcements/CVE-2026-13379