{"schema_version":"1.7.2","id":"OESA-2026-3784","modified":"2026-09-14T16:34:19Z","published":"2026-09-14T16:34:19Z","upstream":["CVE-2026-12996","CVE-2026-13698"],"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\nA use-after-free in OpenVPN 2.6.0 through 2.6.20 and 2.7_alpha1 through 2.7.4 allows remote authenticated peers to potentially cause a denial of service or leak memory via crafted packets during TLS session promotion or expiry(CVE-2026-12996)\n\nA memory leak in OpenVPN version 2.5.0 through 2.5.11, 2.6.0 through 2.6.20 and 2.7_alpha1 through 2.7.4 allows remote attackers with a valid tls-crypt-v2 client key to potentially cause a denial of service(CVE-2026-13698)","affected":[{"package":{"ecosystem":"openEuler:22.03-LTS-SP4","name":"openvpn","purl":"pkg:rpm/openEuler/openvpn&distro=openEuler-22.03-LTS-SP4"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.5.5-10.oe2203sp4"}]}],"ecosystem_specific":{"aarch64":["openvpn-2.5.5-10.oe2203sp4.aarch64.rpm","openvpn-debuginfo-2.5.5-10.oe2203sp4.aarch64.rpm","openvpn-debugsource-2.5.5-10.oe2203sp4.aarch64.rpm","openvpn-devel-2.5.5-10.oe2203sp4.aarch64.rpm"],"noarch":["openvpn-help-2.5.5-10.oe2203sp4.noarch.rpm"],"src":["openvpn-2.5.5-10.oe2203sp4.src.rpm"],"x86_64":["openvpn-2.5.5-10.oe2203sp4.x86_64.rpm","openvpn-debuginfo-2.5.5-10.oe2203sp4.x86_64.rpm","openvpn-debugsource-2.5.5-10.oe2203sp4.x86_64.rpm","openvpn-devel-2.5.5-10.oe2203sp4.x86_64.rpm"]}}],"references":[{"type":"ADVISORY","url":"https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2026-3784"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-12996"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-13698"}],"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H"}],"database_specific":{"severity":"Critical"}}