CVE-2026-35058

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.

References

• https://community.openvpn.net/ReleaseHistory#openvpn-2620-released-22-april-2026
• https://community.openvpn.net/ReleaseHistory#openvpn-272-released-22-april-2026
• https://community.openvpn.net/Security%20Announcements/CVE-2026-35058
• https://www.talosintelligence.com/vulnerability_reports/TALOS-2026-2381