PT-2026-57336 · Openvpn+2 · Openvpn+2

CVE-2026-12932

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Published

2026-07-02

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Updated

2026-08-12

CVSS v3.1

8.1

High

VectorAV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
Name of the Vulnerable Software and Affected Versions OpenVPN versions 2.5.0 through 2.6.20 OpenVPN versions 2.7 alpha1 through 2.7.4
Description A memory leak exists in the tls-crypt-v2 client key extraction process. This flaw allows remote attackers to trigger a denial of service through memory exhaustion by sending a flood of crafted packets, resulting in a metadata buffer leak.
Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

DoS

Memory Leak

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Weakness Enumeration

Related Identifiers

CVE-2026-12932
OESA-2026-2917
OESA-2026-2918
OESA-2026-3001
SUSE-SU-2026:3596-1
USN-8540-1

Affected Products

Linuxmint
Openvpn
Ubuntu