{"id":"CVE-2026-40215","aliases":["ALPINE-CVE-2026-40215","CLSA-2026-1786495354","DEBIAN-CVE-2026-40215","EUVD-2026-35200","GHSA-3mmv-h5fc-pvwj","MGASA-2026-0126","OESA-2026-2623","OESA-2026-2624","OESA-2026-2625","OESA-2026-2626","SUSE-SU-2026:24220-1","SUSE-SU-2026:3596-1","UBUNTU-CVE-2026-40215","openSUSE-SU-2026:22072-1"],"status":"published","title":"A race condition in OpenVPN 2.6.0 through 2.6.19 and 2.7_alpha1 through 2.7.1 allows remote...","description":"A race condition in OpenVPN 2.6.0 through 2.6.19 and 2.7_alpha1 through 2.7.1 allows remote attackers to potentially cause a server crash or leak heap memory via a use-after-free triggered during TLS session promotion.","severity":{"version":"4.0","score":6.1,"vector":"CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:H/VI:N/VA:H/SC:L/SI:N/SA:L","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00372,"percentile":0.3149,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-125","CWE-416"],"published":"2026-04-23T00:00:00Z","modified":"2026-10-28T02:30:45Z","fixes":[{"ecosystem":"Alpine:v3.20","package":"openvpn","fixed_in":["2.6.20-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.21","package":"openvpn","fixed_in":["2.6.20-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.22","package":"openvpn","fixed_in":["2.6.20-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.23","package":"openvpn","fixed_in":["2.6.20-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.24","package":"openvpn","fixed_in":["2.6.20-r0"],"sources":["osv"]},{"ecosystem":"Debian:12","package":"openvpn","fixed_in":["2.6.14-0+deb12u1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"openvpn","fixed_in":["2.6.14-1+deb13u2"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"openvpn","fixed_in":["2.7.2-1"],"sources":["osv"]},{"ecosystem":"openEuler:20.03-LTS-SP4","package":"openvpn","fixed_in":["2.4.8-12.oe2003sp4"],"sources":["osv"]},{"ecosystem":"Ubuntu:22.04:LTS","package":"openvpn","fixed_in":["2.5.11-0ubuntu0.22.04.3"],"sources":["osv"]},{"ecosystem":"Ubuntu:24.04:LTS","package":"openvpn","fixed_in":["2.6.19-0ubuntu0.24.04.2"],"sources":["osv"]},{"ecosystem":"Ubuntu:25.10","package":"openvpn","fixed_in":["2.6.19-0ubuntu0.25.10.2"],"sources":["osv"]},{"ecosystem":"Ubuntu:26.04:LTS","package":"openvpn","fixed_in":["2.7.0-1ubuntu1.1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Alpine:v3.20","package":"openvpn","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.6.0"},{"fixed":"2.6.20-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.21","package":"openvpn","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.6.0"},{"fixed":"2.6.20-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.22","package":"openvpn","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.6.0"},{"fixed":"2.6.20-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.23","package":"openvpn","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.6.0"},{"fixed":"2.6.20-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.24","package":"openvpn","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.6.0"},{"fixed":"2.6.20-r0"}]}]},{"source":"osv","ecosystem":"TuxCare:Debian:10","package":"openvpn","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.4.7-1+deb10u1+tuxcare.els2"}]}],"bundled":2},{"source":"osv","ecosystem":"Debian:12","package":"openvpn","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.6.14-0+deb12u1"}]}],"versions":["2.6.11-1","2.6.12-1","2.6.13-1","2.6.3-1","2.6.3-1+deb12u1","2.6.3-1+deb12u1~bpo11+1","2.6.3-1+deb12u2","2.6.3-1+deb12u2~bpo11+1","2.6.3-1+deb12u3","2.6.3-1+deb12u4","2.6.3-2","2.6.3-2.1","2.6.7-1","2.6.9-1"]},{"source":"osv","ecosystem":"Debian:13","package":"openvpn","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.6.14-1+deb13u2"}]}],"versions":["2.6.14-1","2.6.14-1+deb13u1"]},{"source":"osv","ecosystem":"Debian:14","package":"openvpn","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.7.2-1"}]}],"versions":["2.6.14-1","2.6.14-2","2.6.15-1","2.7.0-1","2.7.0-1~bpo13+1","2.7.0~alpha1-1","2.7.0~alpha2-1","2.7.0~alpha3-1","2.7.0~beta1-1","2.7.0~beta2-1","2.7.0~beta3-1","2.7.0~rc1-1","2.7.0~rc2-1","2.7.0~rc2-2","2.7.0~rc3-1","2.7.0~rc4-1","2.7.0~rc5-1","2.7.0~rc6-1","2.7.1-1","2.7.1-1~bpo13+1","2.7.2-1~bpo13+1"]},{"source":"osv","ecosystem":"Mageia:9","package":"openvpn","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.6.20-1.1.mga9"}]}],"bundled":2},{"source":"osv","ecosystem":"openEuler:24.03-LTS-SP1","package":"openvpn","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.6.9-7.oe2403sp1"}]}],"bundled":2},{"source":"osv","ecosystem":"openEuler:24.03-LTS-SP3","package":"openvpn","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.6.9-7.oe2403sp3"}]}],"bundled":2},{"source":"osv","ecosystem":"openEuler:20.03-LTS-SP4","package":"openvpn","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.4.8-12.oe2003sp4"}]}]},{"source":"osv","ecosystem":"openEuler:22.03-LTS-SP4","package":"openvpn","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.5.5-7.oe2203sp4"}]}],"bundled":2},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Server 16.0","package":"openvpn","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.6.10-160000.5.1"}]}],"bundled":9},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Server for SAP applications 16.0","package":"openvpn","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.6.10-160000.5.1"}]}],"bundled":9},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Module for Basesystem 15 SP7","package":"openvpn","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.6.10-150600.3.26.1"}]}],"bundled":7},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Module for Basesystem 15 SP7","package":"openvpn-dco","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.6.10-150600.3.26.1"}]}],"bundled":7},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Server 15 SP6-LTSS","package":"openvpn","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.6.10-150600.3.26.1"}]}],"bundled":7},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Server 15 SP6-LTSS","package":"openvpn-dco","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.6.10-150600.3.26.1"}]}],"bundled":7},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Server for SAP Applications 15 SP6","package":"openvpn","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.6.10-150600.3.26.1"}]}],"bundled":7},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Server for SAP Applications 15 SP6","package":"openvpn-dco","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.6.10-150600.3.26.1"}]}],"bundled":7},{"source":"osv","ecosystem":"Ubuntu:Pro:14.04:LTS","package":"openvpn","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.3.2-4ubuntu1","2.3.2-5ubuntu1","2.3.2-7ubuntu1","2.3.2-7ubuntu2","2.3.2-7ubuntu3","2.3.2-7ubuntu3.1","2.3.2-7ubuntu3.2","2.3.2-7ubuntu3.2+esm1","2.3.2-7ubuntu3.2+esm2"]},{"source":"osv","ecosystem":"Ubuntu:Pro:16.04:LTS","package":"openvpn","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.3.7-1ubuntu1","2.3.7-2ubuntu1","2.3.8-1ubuntu1","2.3.10-1ubuntu1","2.3.10-1ubuntu2","2.3.10-1ubuntu2.1","2.3.10-1ubuntu2.2","2.3.10-1ubuntu2.2+esm1","2.3.10-1ubuntu2.2+esm2"]},{"source":"osv","ecosystem":"Ubuntu:Pro:18.04:LTS","package":"openvpn","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.4.3-4ubuntu1","2.4.4-1ubuntu1","2.4.4-2ubuntu1","2.4.4-2ubuntu1.1","2.4.4-2ubuntu1.2","2.4.4-2ubuntu1.3","2.4.4-2ubuntu1.5","2.4.4-2ubuntu1.6","2.4.4-2ubuntu1.7","2.4.4-2ubuntu1.7+esm1"]},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"openvpn","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.4.7-1ubuntu2","2.4.7-1ubuntu2.20.04.2","2.4.7-1ubuntu2.20.04.3","2.4.7-1ubuntu2.20.04.4","2.4.12-0ubuntu0.20.04.1","2.4.12-0ubuntu0.20.04.2"]},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"openvpn","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.5.11-0ubuntu0.22.04.3"}]}],"versions":["2.5.1-3ubuntu1","2.5.1-3ubuntu2","2.5.1-3ubuntu4","2.5.1-3ubuntu5","2.5.5-1ubuntu1","2.5.5-1ubuntu3","2.5.5-1ubuntu3.1","2.5.9-0ubuntu0.22.04.2","2.5.9-0ubuntu0.22.04.3","2.5.11-0ubuntu0.22.04.1"]},{"source":"osv","ecosystem":"Ubuntu:24.04:LTS","package":"openvpn","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.6.19-0ubuntu0.24.04.2"}]}],"versions":["2.6.5-0ubuntu1","2.6.7-1ubuntu1","2.6.9-1ubuntu2","2.6.9-1ubuntu3","2.6.9-1ubuntu4","2.6.9-1ubuntu4.1","2.6.12-0ubuntu0.24.04.1","2.6.12-0ubuntu0.24.04.3","2.6.14-0ubuntu0.24.04.1","2.6.14-0ubuntu0.24.04.2","2.6.14-0ubuntu0.24.04.3","2.6.19-0ubuntu0.24.04.1"]},{"source":"osv","ecosystem":"Ubuntu:25.10","package":"openvpn","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.6.19-0ubuntu0.25.10.2"}]}],"versions":["2.6.13-1ubuntu3","2.6.14-1ubuntu1","2.6.14-2ubuntu1","2.6.14-2ubuntu1.1","2.6.19-0ubuntu0.25.10.1"]},{"source":"osv","ecosystem":"Ubuntu:26.04:LTS","package":"openvpn","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.7.0-1ubuntu1.1"}]}],"versions":["2.6.14-2ubuntu1","2.6.15-1ubuntu1","2.7.0~rc5-1ubuntu5","2.7.0~rc6-1ubuntu1","2.7.0-1ubuntu1"]},{"source":"osv","ecosystem":"openSUSE:Leap 16.0","package":"openvpn","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.6.10-160000.5.1"}]}],"bundled":9}],"products":[{"vendor":"openvpn","product":"openvpn"}],"references":[{"url":"https://community.openvpn.net/Security%20Announcements/CVE-2026-40215","tags":["vendor-advisory","Vendor Advisory","advisory","report"]},{"url":"https://community.openvpn.net/ReleaseHistory#openvpn-272-released-22-april-2026","tags":["release-notes","Release Notes","advisory"]},{"url":"https://community.openvpn.net/ReleaseHistory#openvpn-2620-released-22-april-2026","tags":["release-notes","Release Notes","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-40215","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-3mmv-h5fc-pvwj"},{"url":"https://security.alpinelinux.org/vuln/CVE-2026-40215","tags":["advisory"]},{"url":"https://errata.tuxcare.com/els_os/debian10els/CLSA-2026-1786495354.html","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-12996","tags":["advisory"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/40xxx/CVE-2026-40215.json","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2026-40215","tags":["advisory"]},{"url":"https://advisories.mageia.org/MGASA-2026-0126.html","tags":["advisory"]},{"url":"https://bugs.mageia.org/show_bug.cgi?id=35442","tags":["report"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SFR4RR6F447AZK2ZTKVGZP3NKKWFW6DW/","tags":["web"]},{"url":"https://community.openvpn.net/Security%20Announcements/CVE-2026-35058","tags":["advisory"]},{"url":"https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2026-2623","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-35058","tags":["advisory"]},{"url":"https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2026-2624","tags":["advisory"]},{"url":"https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2026-2625","tags":["advisory"]},{"url":"https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2026-2626","tags":["advisory"]},{"url":"https://www.suse.com/support/update/announcement/2026/suse-su-202624220-1/","tags":["advisory"]},{"url":"https://bugzilla.suse.com/1267944","tags":["report"]},{"url":"https://bugzilla.suse.com/1267945","tags":["report"]},{"url":"https://bugzilla.suse.com/1273126","tags":["report"]},{"url":"https://bugzilla.suse.com/1273127","tags":["report"]},{"url":"https://bugzilla.suse.com/1273128","tags":["report"]},{"url":"https://bugzilla.suse.com/1273129","tags":["report"]},{"url":"https://bugzilla.suse.com/1273130","tags":["report"]},{"url":"https://bugzilla.suse.com/1275310","tags":["report"]},{"url":"https://bugzilla.suse.com/1279613","tags":["report"]},{"url":"https://www.suse.com/security/cve/CVE-2026-11771","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-12932","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-12996","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-13117","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-13379","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-35058","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-40215","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-63650","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-84732","tags":["web"]},{"url":"https://www.suse.com/support/update/announcement/2026/suse-su-20263596-1/","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2026-40215","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-40215","tags":["report"]},{"url":"https://ubuntu.com/security/notices/USN-8286-1","tags":["advisory"]},{"url":"","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-40215","description":"A race condition in OpenVPN 2.6.0 through 2.6.19 and 2.7_alpha1 through 2.7.1 allows remote attackers to potentially cause a server crash or leak heap memory via a use-after-free triggered during TLS session promotion.","status":"published","published":"2026-06-08T19:59:20.481Z","modified":"2026-06-16T12:24:37.681Z","cvss":[{"version":"4.0","score":6.1,"vector":"CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:H/VI:N/VA:H/SC:L/SI:N/SA:L","level":"medium","assessor":"cna"}],"cwes":["CWE-125","CWE-416"],"updated_at":"2026-11-02T13:43:00.288193Z"}],"euvd":[{"id":"EUVD-2026-35200","description":"A race condition in OpenVPN 2.6.0 through 2.6.19 and 2.7_alpha1 through 2.7.1 allows remote attackers to potentially cause a server crash or leak heap memory via a use-after-free triggered during TLS session promotion.","status":"published","published":"2026-06-08T19:59:20Z","modified":"2026-06-16T12:24:37Z","cvss":[{"version":"4.0","score":6.1,"vector":"CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:H/VI:N/VA:H/SC:L/SI:N/SA:L","level":"medium"}],"updated_at":"2026-11-02T18:20:40.975704Z"}],"ghsa":[{"id":"GHSA-3mmv-h5fc-pvwj","title":"A race condition in OpenVPN 2.6.0 through 2.6.19 and 2.7_alpha1 through 2.7.1 allows remote...","description":"A race condition in OpenVPN 2.6.0 through 2.6.19 and 2.7_alpha1 through 2.7.1 allows remote attackers to potentially cause a server crash or leak heap memory via a use-after-free triggered during TLS session promotion.","status":"published","published":"2026-06-08T21:31:50Z","modified":"2026-08-11T15:31:50Z","cvss":[{"version":"4.0","score":6.1,"vector":"CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:H/VI:N/VA:H/SC:L/SI:N/SA:L/E:X/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","level":"medium"},{"version":"3.1","score":7.4,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:H","level":"high"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T15:10:17.573081Z"}],"nvd":[{"id":"CVE-2026-40215","description":"A race condition in OpenVPN 2.6.0 through 2.6.19 and 2.7_alpha1 through 2.7.1 allows remote attackers to potentially cause a server crash or leak heap memory via a use-after-free triggered during TLS session promotion.","status":"published","published":"2026-06-08T21:16:45.453Z","modified":"2026-08-11T13:06:12.82Z","cvss":[{"version":"4.0","score":6.1,"vector":"CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:H/VI:N/VA:H/SC:L/SI:N/SA:L/E:X/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","level":"medium","assessor":"secondary"},{"version":"3.1","score":7.4,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:H","level":"high","assessor":"primary"}],"cwes":["CWE-125","CWE-416"],"updated_at":"2026-11-02T14:12:22.73178Z"}],"osv":[{"id":"ALPINE-CVE-2026-40215","description":"A race condition in OpenVPN 2.6.0 through 2.6.19 and 2.7_alpha1 through 2.7.1 allows remote attackers to potentially cause a server crash or leak heap memory via a use-after-free triggered during TLS session promotion.","status":"published","published":"2026-06-08T21:16:45.453Z","modified":"2026-10-01T02:17:49.27666348Z","cvss":[{"version":"3.1","score":7.4,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:27:50.764331Z"},{"id":"CVE-2026-40215","description":"A race condition in OpenVPN 2.6.0 through 2.6.19 and 2.7_alpha1 through 2.7.1 allows remote attackers to potentially cause a server crash or leak heap memory via a use-after-free triggered during TLS session promotion.","status":"published","published":"2026-06-08T19:59:20.481Z","modified":"2026-10-28T02:30:45.268587675Z","cvss":[{"version":"4.0","score":6.1,"vector":"CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:H/VI:N/VA:H/SC:L/SI:N/SA:L","level":"medium"}],"cwes":["CWE-125","CWE-416"],"updated_at":"2026-11-02T15:45:03.424067Z"},{"id":"DEBIAN-CVE-2026-40215","description":"A race condition in OpenVPN 2.6.0 through 2.6.19 and 2.7_alpha1 through 2.7.1 allows remote attackers to potentially cause a server crash or leak heap memory via a use-after-free triggered during TLS session promotion.","status":"published","published":"2026-06-08T21:16:45.453Z","modified":"2026-10-01T03:02:39.256281598Z","cvss":[{"version":"3.1","score":7.4,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:45:54.892385Z"},{"id":"OESA-2026-2623","title":"openvpn security update","description":"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 packet length during tls-crypt-v2 key extraction in OpenVPN 2.6.0 through 2.6.19 and 2.7_alpha1 through 2.7.1 allows authenticated attackers to trigger a fatal assertion and cause a denial of service via a specially crafted packet.(CVE-2026-35058)\n\nA race condition in OpenVPN 2.6.0 through 2.6.19 and 2.7_alpha1 through 2.7.1 allows remote attackers to potentially cause a server crash or leak heap memory via a use-after-free triggered during TLS session promotion.(CVE-2026-40215)","status":"published","published":"2026-06-12T11:11:33Z","modified":"2026-08-18T01:20:03.829309176Z","cvss":[{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H/E:X/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","level":"medium"}],"updated_at":"2026-11-02T15:52:46.449097Z"},{"id":"OESA-2026-2624","title":"openvpn security update","description":"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 packet length during tls-crypt-v2 key extraction in OpenVPN 2.6.0 through 2.6.19 and 2.7_alpha1 through 2.7.1 allows authenticated attackers to trigger a fatal assertion and cause a denial of service via a specially crafted packet.(CVE-2026-35058)\n\nA race condition in OpenVPN 2.6.0 through 2.6.19 and 2.7_alpha1 through 2.7.1 allows remote attackers to potentially cause a server crash or leak heap memory via a use-after-free triggered during TLS session promotion.(CVE-2026-40215)","status":"published","published":"2026-06-12T11:11:33Z","modified":"2026-08-18T01:20:03.691634486Z","cvss":[{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H/E:X/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","level":"medium"}],"updated_at":"2026-11-02T15:52:46.449097Z"},{"id":"OESA-2026-2625","title":"openvpn security update","description":"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 race condition in OpenVPN 2.6.0 through 2.6.19 and 2.7_alpha1 through 2.7.1 allows remote attackers to potentially cause a server crash or leak heap memory via a use-after-free triggered during TLS session promotion.(CVE-2026-40215)","status":"published","published":"2026-06-12T11:11:33Z","modified":"2026-08-18T01:20:04.140160795Z","cvss":[{"version":"4.0","score":6.1,"vector":"CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:H/VI:N/VA:H/SC:L/SI:N/SA:L/E:X/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","level":"medium"}],"updated_at":"2026-11-02T15:52:46.449097Z"},{"id":"OESA-2026-2626","title":"openvpn security update","description":"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 packet length during tls-crypt-v2 key extraction in OpenVPN 2.6.0 through 2.6.19 and 2.7_alpha1 through 2.7.1 allows authenticated attackers to trigger a fatal assertion and cause a denial of service via a specially crafted packet.(CVE-2026-35058)\n\nA race condition in OpenVPN 2.6.0 through 2.6.19 and 2.7_alpha1 through 2.7.1 allows remote attackers to potentially cause a server crash or leak heap memory via a use-after-free triggered during TLS session promotion.(CVE-2026-40215)","status":"published","published":"2026-06-12T11:11:33Z","modified":"2026-08-18T01:20:03.63546106Z","cvss":[{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H/E:X/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","level":"medium"}],"updated_at":"2026-11-02T15:52:46.449097Z"},{"id":"UBUNTU-CVE-2026-40215","description":"A race condition in OpenVPN 2.6.0 through 2.6.19 and 2.7_alpha1 through 2.7.1 allows remote attackers to potentially cause a server crash or leak heap memory via a use-after-free triggered during TLS session promotion.","status":"published","published":"2026-04-23T00:00:00Z","modified":"2026-08-12T19:45:20.066111302Z","cvss":[{"version":"4.0","score":6.1,"vector":"CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:H/VI:N/VA:H/SC:L/SI:N/SA:L","level":"medium"},{"version":"3.1","score":7.4,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T16:56:16.686388Z"},{"id":"CLSA-2026-1786495354","title":"Fix CVE(s): CVE-2026-12996","description":"   * SECURITY UPDATE: Use-after-free of a pending dedicated ACK buffer when a\n     TLS session is freed during session promotion or expiry\n     - debian/patches/CVE-2026-12996.patch: add the check_session_buf_not_used()\n       safeguard, including its ks-\u003eack_write_buf check, and call it before\n       every site in tls_multi_process() that frees or resets a session\n     - CVE-2026-12996\n     - the safeguard does not exist in 2.4.7, so it is introduced here already\n       in its post-CVE-2026-12996 form; as a result this patch also fixes\n       CVE-2026-40215, which shares the same safeguard","status":"published","published":"2026-08-12T00:42:45Z","modified":"2026-10-26T09:31:52.919903002Z","updated_at":"2026-11-02T15:43:46.850893Z"},{"id":"MGASA-2026-0126","title":"Updated openvpn packages fix security vulnerabilities","description":"CVE-2026-35058 - fix server ASSERT() on receiving a suitably malformed\npacket with a valid tls-crypt-v2 key\nCVE-2026-40215 - fix race condition in TLS handshake that could lead to\nleaking of packet data from a previous handshake under specific\ncircumstances\n","status":"published","published":"2026-05-10T02:43:56Z","modified":"2026-05-10T02:45:06.953244Z","updated_at":"2026-11-02T15:49:43.178336Z"},{"id":"openSUSE-SU-2026:22072-1","title":"Security update for openvpn","description":"This update for openvpn fixes the following issues:\n\n- CVE-2026-11771: NTLM proxy auth stack off-by-one write (bsc#1273126).\n- CVE-2026-12932: memory leak using --tls-crypt-v2 (bsc#1273127).\n- CVE-2026-12996: Potential DoS and memory leak via TLS session use-after-free (bsc#1273128).\n- CVE-2026-13117: Heap use-after-free via incomplete guard in check_session_buf_not_used() (bsc#1273129).\n- CVE-2026-13379: Windows interactive service DNS SearchList state pollution (bsc#1273130).\n- CVE-2026-35058: improper validation of packet length can lead to a denial of service (bsc#1267945).\n- CVE-2026-40215: race condition during TLS session promotion can lead to a use-after-free (bsc#1267944).\n- CVE-2026-63650: OpenVPN 2.7_alpha1 through 2.7.5 using mbedTLS allows remote authenticated users to be misidentified\n  by ignoring the configured X.509 username identity lookup field (bsc#1275310).\n- CVE-2026-84732: Remote Denial of Service via crafted ACK packets (bsc#1279613).\n","status":"published","published":"2026-10-09T12:16:22Z","modified":"2026-10-19T17:23:12.593997822Z","updated_at":"2026-11-02T16:58:42.426393Z"},{"id":"SUSE-SU-2026:24220-1","title":"Security update for openvpn","description":"This update for openvpn fixes the following issues:\n\n- CVE-2026-11771: NTLM proxy auth stack off-by-one write (bsc#1273126).\n- CVE-2026-12932: memory leak using --tls-crypt-v2 (bsc#1273127).\n- CVE-2026-12996: Potential DoS and memory leak via TLS session use-after-free (bsc#1273128).\n- CVE-2026-13117: Heap use-after-free via incomplete guard in check_session_buf_not_used() (bsc#1273129).\n- CVE-2026-13379: Windows interactive service DNS SearchList state pollution (bsc#1273130).\n- CVE-2026-35058: improper validation of packet length can lead to a denial of service (bsc#1267945).\n- CVE-2026-40215: race condition during TLS session promotion can lead to a use-after-free (bsc#1267944).\n- CVE-2026-63650: OpenVPN 2.7_alpha1 through 2.7.5 using mbedTLS allows remote authenticated users to be misidentified\n  by ignoring the configured X.509 username identity lookup field (bsc#1275310).\n- CVE-2026-84732: Remote Denial of Service via crafted ACK packets (bsc#1279613).\n","status":"published","published":"2026-10-09T12:13:13Z","modified":"2026-10-21T17:23:14.847518378Z","updated_at":"2026-11-02T15:54:04.519245Z"},{"id":"SUSE-SU-2026:3596-1","title":"Security update for openvpn","description":"This update for openvpn fixes the following issues:\n\n- CVE-2026-11771: NTLM proxy auth stack off-by-one write (bsc#1273126).\n- CVE-2026-12932: memory leak using --tls-crypt-v2 (bsc#1273127).\n- CVE-2026-12996: Potential DoS and memory leak via TLS session use-after-free (bsc#1273128).\n- CVE-2026-13117: Heap use-after-free via incomplete guard in check_session_buf_not_used() (bsc#1273129).\n- CVE-2026-13379: Windows interactive service DNS SearchList state pollution (bsc#1273130).\n- CVE-2026-35058: improper validation of packet length can lead to a denial of service (bsc#1267945).\n- CVE-2026-40215: race condition during TLS session promotion can lead to a use-after-free (bsc#1267944).\n","status":"published","published":"2026-08-12T11:37:58Z","modified":"2026-08-13T09:30:12.385392768Z","updated_at":"2026-11-02T15:54:05.392906Z"}]}}