119 matches found
PT-2026-61361
Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the OpenVPN implementation where the ovpn nl peer new doit function error path calls ovpn peer release directly instead of using ovpn peer put. This bypasses the kref...
CVE-2026-15204
A vulnerability was detected in TOTOLINK X5000R 9.1.0cu.2415B20250515/9.1.0cu.2350B20230313. Affected by this vulnerability is the function exportOvpn of the file /web/cgi-bin/cstecgi.cgi of the component OpenVPN Export. The manipulation results in path traversal. The attack may be launched...
CVE-2026-11604
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...
Linux Distros Unpatched Vulnerability : CVE-2026-45929
The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - ovpn: fix possible use-after-free in ovpnnetxmit When building the skblist in ovpnnetxmit, skbsharecheck will free the original skb if it is shared. The current...
CVE-2026-45929
A flaw was found in the Linux kernel's ovpn module. A use-after-free vulnerability exists in the ovpnnetxmit function where a freed skb socket buffer pointer can be used for subsequent operations. This can occur when skbsharecheck frees the original skb if it is shared, leading to a stale pointer...
EUVD-2026-32213
In the Linux kernel, the following vulnerability has been resolved: ovpn: fix possible use-after-free in ovpnnetxmit When building the skblist in ovpnnetxmit, skbsharecheck will free the original skb if it is shared. The current implementation continues to use the stale skb pointer for subsequent...
CVE-2026-45929
In the Linux kernel, the following vulnerability has been resolved: ovpn: fix possible use-after-free in ovpnnetxmit When building the skblist in ovpnnetxmit, skbsharecheck will free the original skb if it is shared. The current implementation continues to use the stale skb pointer for subsequent...
CVE-2026-45929
In CVE-2026-45929, Linux kernel ovpn: fix possible use-after-free in ovpn_net_xmit. The vulnerability arises when skb_share_check frees the original skb during skb_list construction, but subsequent operations re-use a now-stale skb pointer (peer lookup, skb_dst_drop, and ovpn_peer_stats_increment...
CVE-2026-45929 ovpn: fix possible use-after-free in ovpn_net_xmit
In the Linux kernel, the following vulnerability has been resolved: ovpn: fix possible use-after-free in ovpnnetxmit When building the skblist in ovpnnetxmit, skbsharecheck will free the original skb if it is shared. The current implementation continues to use the stale skb pointer for subsequent...
CVE-2026-45929 ovpn: fix possible use-after-free in ovpn_net_xmit
In the Linux kernel, the following vulnerability has been resolved: ovpn: fix possible use-after-free in ovpnnetxmit When building the skblist in ovpnnetxmit, skbsharecheck will free the original skb if it is shared. The current implementation continues to use the stale skb pointer for subsequent...
Linux kernel 安全漏洞
The Linux kernel is the core of the open-source operating system Linux, developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from the ovpnnetxmit function in ovpn. This function continues to use an expired pointer after releasi...
CVE-2026-43254
In the Linux kernel, the following vulnerability has been resolved: ovpn: tcp - fix packet extraction from stream When processing TCP stream data in ovpntcprecv, we receive large cloned skbs from strprcv that may contain multiple coalesced packets. The current implementation has two bugs: 1. Head...
OpenVPN 2.7.0_beta3 < 2.7.0_I017 Buffer Overflow (Windows)
According to its self-reported version number, the version of OpenVPN installed on the remote Windows host is affected by buffer overflow vulnerability: - The ovpn-dco-win version 2.8.0 has a flaw which appears when connecting to an OpenVPN 2.7.0 server, or other implementations with data epoch...
CVE-2026-2738
Buffer overflow in ovpn‑dco‑win version 2.8.0 allows local attackers to cause a system crash by sending too large packets to the remote peer when the AEAD tag appears at the end of the encrypted packet...
OpenVPN ovpn-dco-win 安全漏洞
OpenVPN ovpn-dco-win is a virtual network adapter for Windows developed by OpenVPN. Version 2.8.0 of OpenVPN ovpn-dco-win contains a security vulnerability. This vulnerability arises when AEAD tags appear at the end of encrypted packets, and sending excessively large packets to remote peers may...
CVE-2019-25398
IPFire 2.21 Core Update 127 contains multiple cross-site scripting vulnerabilities in the ovpnmain.cgi script. The issue allows attackers to inject arbitrary JavaScript by submitting POST parameters such as VPN_IP, DMTU, ccdname, ccdsubnet, DOVPN_SUBNET, DHCP_DOMAIN, DHCP_DNS, DHCP_WINS, ROUTES_P...
CVE-2025-14586
CVE-2025-14586 affects TOTOLINK X5000R 9.1.0cu.2089_B20211224. The vulnerability is in snprintf in /cgi-bin/cstecgi.cgi?action=exportOvpn&type=user, where manipulation of the User argument leads to an OS command injection. Remote exploitation is possible and has been publicly disclosed. Connected...
CVE-2025-50054
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...
The vulnerability of the ovpn-dco driver for Windows operating systems in the OpenVPN virtual private network creation software allows a hacker to induce a service failure.
The vulnerability of the ovpn-dco driver for Windows operating systems in the OpenVPN virtual private network creation software is related to pointer aliasing errors. Exploiting this vulnerability can allow an attacker to cause a service failure...