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CVE-2026-35058

Published: Jun 8, 2026Updated: Jun 9, 2026 Sources: CVE List NVD BDUCWE-617
NVD MITRE
7.7CVSSHIGH
EPSS Score
0.4%
Top 66.0%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

Improper validation of packet length during tls-crypt-v2 key extraction in OpenVPN 2.6.0 through 2.6.19 and 2.7_alpha1 through 2.7.1 allows authenticated attackers to trigger a fatal assertion and cause a denial of service via a specially crafted packet.

CVSS Vector Breakdown

AV:NAC:LC:NI:NA:H
Exploitability
AV:NAccess Vector
Network
AC:LAccess Complexity
Low
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:HAvailability
H
Open in CVSS calculator →

Weaknesses

CWE-617

Affected Products

OpenVPNOpenVPN
On-premSecurity Product
Networking Infrastructure
UbuntuCanonical Ltd.
On-premOS
Operating Systems / linux-distro
OpenVPNOpenVPN, Inc.
Mixed
Security Products / secure-gateway-vpn
openvpnoss-projectUSNetworking Infrastructureaka openvpn access server, connect
canonical ltd.commercialGBOperating Systemsaka canonical
openvpn, inc.commercialUSSecurity Productsaka openvpn connect, easy-rsa, openvpn 3 linux

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

Official Patch Available

MITRE ATT&CK

1 technique
Impact
View detailed technique mapping

References

https://community.openvpn.net/Security%20Announcements/CVE-2026-35058
community.openvpn.net
https://community.openvpn.net/ReleaseHistory#openvpn-272-released-22-april-2026
community.openvpn.net
https://community.openvpn.net/ReleaseHistory#openvpn-2620-released-22-april-2026
community.openvpn.net
and 5 more references View all →

Timeline

Published
Jun 8, 2026
Last Updated
Jun 9, 2026
News mentions
1

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