{"id":"OESA-2025-2777","summary":"openvpn security update","details":"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.\r\n\r\nSecurity Fix(es):\n\nImproper validation of source IP addresses in OpenVPN version 2.6.0 through 2.7_rc1 allows an attacker to open a session from a different IP address which did not initiate the connection resulting in a denial of service for the originating client(CVE-2025-13086)","modified":"2026-08-18T01:19:21.511871105Z","published":"2025-12-05T11:09:53Z","upstream":["CVE-2025-13086"],"database_specific":{"severity":"Medium"},"references":[{"type":"ADVISORY","url":"https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2025-2777"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-13086"}],"affected":[{"package":{"name":"openvpn","ecosystem":"openEuler:24.03-LTS","purl":"pkg:rpm/openEuler/openvpn&distro=openEuler-24.03-LTS"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.6.9-6.oe2403"}]}],"ecosystem_specific":{"aarch64":["openvpn-2.6.9-6.oe2403.aarch64.rpm","openvpn-debuginfo-2.6.9-6.oe2403.aarch64.rpm","openvpn-debugsource-2.6.9-6.oe2403.aarch64.rpm","openvpn-devel-2.6.9-6.oe2403.aarch64.rpm"],"noarch":["openvpn-help-2.6.9-6.oe2403.noarch.rpm"],"src":["openvpn-2.6.9-6.oe2403.src.rpm"],"x86_64":["openvpn-2.6.9-6.oe2403.x86_64.rpm","openvpn-debuginfo-2.6.9-6.oe2403.x86_64.rpm","openvpn-debugsource-2.6.9-6.oe2403.x86_64.rpm","openvpn-devel-2.6.9-6.oe2403.x86_64.rpm"]},"database_specific":{"source":"https://repo.openeuler.org/security/data/osv/OESA-2025-2777.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X"}]}