CVE-2026-82325

A use-after-free vulnerability in the OpenVPN ovpn-dco-win driver version 2.5.0 through 2.8.6 allows local authenticated users to cause a system crash via crafted control messages...

CVE-2026-82325

CVE-2026-82325 is a use-after-free vulnerability in the OpenVPN ovpn-dco-win driver, affecting versions 2.5.0 through 2.8.6 . A local authenticated user can trigger a system crash by sending crafted control messages to the driver. The CVSS 4.0 score is 6.8 (MEDIUM) , with a local attack vector, l...

CVE-2026-11604: Incorrect Calculation of Buffer Size

An incorrect buffer size calculation in the epoch key generator in OpenVPN ovpn-dco-win version 2.0.0 through 2.8.3 allows a remote authenticated peer to trigger a heap-based buffer overflow and kernel memory corruption via a crafted data packet, resulting in a system crash denial of service...

CVE-2025-50054: Heap-based Buffer Overflow

Buffer overflow in OpenVPN ovpn-dco-win version 1.3.0 and earlier and version 2.5.8 and earlier allows a local user process to send a too large control message buffer to the kernel driver resulting in a system crash...