CVE-2026-35058

Medium

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.

SeverityMedium
CVSS6.5
Exploit probability—
ProductOpenvpn
PublishedJun 8, 2026
First seenJun 8, 2026
Weakness typeCWE-617CWE-617

How to fix

Affected products

ProductAffected versionsFixed in
openvpn openvpn2.6.0 ≤ v < 2.6.20, 2.7 ≤ v < 2.7.22.6.20, 2.7.2

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