Vulnerability DatabaseCVE-2026-12932
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CVE-2026-12932
Published:July 30, 2026
Updated:August 06, 2026
A memory leak in the tls-crypt-v2 client key extraction in OpenVPN 2.5.0 through 2.6.20 and 2.7_alpha1 through 2.7.4 allows remote attackers to cause a denial of service (memory exhaustion) via a flood of crafted packets
Affected Packages
https://github.com/OpenVPN/openvpn.git (GITHUB):
Affected version(s) >=v2.7_alpha1 <v2.7.5
Fix Suggestion:
Update to version v2.7.5
https://github.com/OpenVPN/openvpn.git (GITHUB):
Affected version(s) >=v2.5.0 <v2.6.21
Fix Suggestion:
Update to version v2.6.21
Related Resources (3)
https://community.openvpn.net/Security%20Announcements/CVE-2026-12932
https://community.openvpn.net/ReleaseHistory#openvpn-275-released-1-july-2026
https://community.openvpn.net/ReleaseHistory#openvpn-2621-released-1-july-2026
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CVSS v4
Base Score:
7.1
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
NONE
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
6.5
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Weakness Type (CWE)
Missing Release of Memory after Effective Lifetime
CWE-401
EPSS
Base Score:
0.35