{"id":"OESA-2026-4095","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\nRetransmissions 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)","modified":"2026-09-25T01:45:13.118511294Z","published":"2026-09-25T01:28:20Z","upstream":["CVE-2026-84732"],"database_specific":{"severity":"High"},"references":[{"type":"ADVISORY","url":"https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2026-4095"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-84732"}],"affected":[{"package":{"name":"openvpn","ecosystem":"openEuler:24.03-LTS-SP1","purl":"pkg:rpm/openEuler/openvpn&distro=openEuler-24.03-LTS-SP1"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.6.9-10.oe2403sp1"}]}],"ecosystem_specific":{"x86_64":["openvpn-2.6.9-10.oe2403sp1.x86_64.rpm","openvpn-debuginfo-2.6.9-10.oe2403sp1.x86_64.rpm","openvpn-debugsource-2.6.9-10.oe2403sp1.x86_64.rpm","openvpn-devel-2.6.9-10.oe2403sp1.x86_64.rpm"],"aarch64":["openvpn-2.6.9-10.oe2403sp1.aarch64.rpm","openvpn-debuginfo-2.6.9-10.oe2403sp1.aarch64.rpm","openvpn-debugsource-2.6.9-10.oe2403sp1.aarch64.rpm","openvpn-devel-2.6.9-10.oe2403sp1.aarch64.rpm"],"noarch":["openvpn-help-2.6.9-10.oe2403sp1.noarch.rpm"],"src":["openvpn-2.6.9-10.oe2403sp1.src.rpm"]},"database_specific":{"source":"https://repo.openeuler.org/security/data/osv/OESA-2026-4095.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}