CVE-2026-13698

EUVD-2026-41877
A memory leak in OpenVPN version 2.5.0 through 2.5.11, 2.6.0 through 2.6.20 and 2.7_alpha1 through 2.7.4 allows remote attackers with a valid tls-crypt-v2 client key to potentially cause a denial of service
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
OpenVPNCNA
6 MEDIUM
NETWORK
LOW
NONE
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Base Score
CVSS 3.x
EPSS Score
Percentile: Unknown
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources.
VendorProductVersionSource
openvpnopenvpn
2.5.0 ≤
𝑥
≤ 2.5.11
CNA
openvpnopenvpn
2.6.0 ≤
𝑥
≤ 2.6.20
CNA
openvpnopenvpn
𝑥
≤ 2.7.4
CNA
Debian logo
Debian Releases
Debian Product
Codename
openvpn
bookworm
vulnerable
bookworm (security)
2.6.14-0+deb12u2
fixed
bullseye
vulnerable
bullseye (security)
vulnerable
forky
2.7.5-1
fixed
sid
2.7.5-1
fixed
trixie
vulnerable
trixie (security)
2.6.14-1+deb13u3
fixed