Vulnerability DatabaseCVE-2026-35058
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CVE-2026-35058
Published:June 08, 2026
Updated:June 28, 2026
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.
Affected Packages
https://github.com/OpenVPN/openvpn.git (GITHUB):
Affected version(s) >=v2.7_alpha1 <v2.7.2
Fix Suggestion:
Update to version v2.7.2
https://github.com/OpenVPN/openvpn.git (GITHUB):
Affected version(s) >=v2.6.0 <v2.6.20
Fix Suggestion:
Update to version v2.6.20
Related Resources (4)
https://community.openvpn.net/ReleaseHistory#openvpn-272-released-22-april-2026
https://www.talosintelligence.com/vulnerability_reports/TALOS-2026-2381
https://community.openvpn.net/ReleaseHistory#openvpn-2620-released-22-april-2026
https://community.openvpn.net/Security%20Announcements/CVE-2026-35058
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CVSS v4
Base Score:
6.9
Attack Vector
NETWORK
Attack Complexity
HIGH
Attack Requirements
PRESENT
Privileges Required
LOW
User Interaction
PASSIVE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
NONE
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
HIGH
CVSS v3
Base Score:
5.8
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Weakness Type (CWE)
Reachable Assertion
CWE-617
EPSS
Base Score:
0.32