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fkie_cve-2026-84732

Retransmissions of ACK packet ID in OpenVPN through 2.6.22 and 2.7.6 allow remote unauthenticated attackers to cause a denial of service via crafted inputs that trigger a timeout integer overflow

GHSA-6r5j-cp22-59fv

Retransmissions of ACK packet ID in OpenVPN through 2.6.22 and 2.7.6 allow remote unauthenticated attackers to cause a denial of service via crafted inputs that trigger a timeout integer overflow

OESA-2026-4095 — openvpn security update

Affected: openEuler:24.03-LTS-SP1: openvpn

OpenVPN is a full-featured open source SSL VPN solution that accommodates a wide range of configurations, including remote access, site-to-site VPNs, Wi-Fi security, and enterprise-scale remote access solutions with load balancing, failover, and fine-grained access-controls. Starting with the fundamental premise that complexity is the enemy of security, OpenVPN offers a cost-effective, lightweight alternative to other VPN technologies that is well-adapted for the SME and enterprise markets. Security Fix(es):

Retransmissions of ACK packet ID in OpenVPN through 2.6.22 and 2.7.6 allow remote unauthenticated attackers to cause a denial of service via crafted inputs that trigger a timeout integer overflow(CVE-2026-84732)

SUSE-SU-2026:4242-1 — Security update for openvpn

Security update for openvpn

UBUNTU-CVE-2026-84732

Affected: Ubuntu:Pro:14.04:LTS: openvpn, Ubuntu:Pro:16.04:LTS: openvpn, Ubuntu:Pro:18.04:LTS: openvpn, Ubuntu:20.04:LTS: openvpn, Ubuntu:22.04:LTS: openvpn, Ubuntu:24.04:LTS: openvpn, Ubuntu:26.04:LTS: openvpn

Retransmissions of ACK packet ID in OpenVPN through 2.6.22 and 2.7.6 allow remote unauthenticated attackers to cause a denial of service via crafted inputs that trigger a timeout integer overflow