{"id":"CVE-2023-46849","aliases":["ALPINE-CVE-2023-46849","DEBIAN-CVE-2023-46849","DSA-5555-1","EUVD-2023-51015","GHSA-p99v-qjfm-8vvq","UBUNTU-CVE-2023-46849","openSUSE-SU-2024:13429-1"],"status":"published","title":"Using the --fragment option in certain configuration setups OpenVPN version 2.6.0 to 2.6.6 allows...","description":"Using the --fragment option in certain configuration setups OpenVPN version 2.6.0 to 2.6.6 allows an attacker to trigger a divide by zero behaviour which could cause an application crash, leading to a denial of service.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.01359,"percentile":0.71939,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-369"],"published":"2023-11-11T00:05:13Z","modified":"2026-10-28T02:30:31Z","fixes":[{"ecosystem":"Alpine:v3.18","package":"openvpn","fixed_in":["2.6.7-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.19","package":"openvpn","fixed_in":["2.6.7-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.20","package":"openvpn","fixed_in":["2.6.7-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.21","package":"openvpn","fixed_in":["2.6.7-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.22","package":"openvpn","fixed_in":["2.6.7-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.23","package":"openvpn","fixed_in":["2.6.7-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.24","package":"openvpn","fixed_in":["2.6.7-r0"],"sources":["osv"]},{"ecosystem":"Debian:12","package":"openvpn","fixed_in":["2.6.3-1+deb12u2"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"openvpn","fixed_in":["2.6.7-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"openvpn","fixed_in":["2.6.7-1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Alpine:v3.18","package":"openvpn","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.6.0"},{"fixed":"2.6.7-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.19","package":"openvpn","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.6.0"},{"fixed":"2.6.7-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.20","package":"openvpn","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.6.0"},{"fixed":"2.6.7-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.21","package":"openvpn","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.6.0"},{"fixed":"2.6.7-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.22","package":"openvpn","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.6.0"},{"fixed":"2.6.7-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.23","package":"openvpn","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.6.0"},{"fixed":"2.6.7-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.24","package":"openvpn","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.6.0"},{"fixed":"2.6.7-r0"}]}]},{"source":"osv","ecosystem":"Debian:12","package":"openvpn","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.6.3-1+deb12u2"}]}],"versions":["2.6.3-1","2.6.3-1+deb12u1","2.6.3-1+deb12u1~bpo11+1","2.6.3-1+deb12u2~bpo11+1"]},{"source":"osv","ecosystem":"Debian:13","package":"openvpn","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.6.7-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"openvpn","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.6.7-1"}]}]},{"source":"osv","ecosystem":"Debian:12","package":"openvpn","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.6.3-1+deb12u2"}]}],"versions":["2.6.3-1","2.6.3-1+deb12u1","2.6.3-1+deb12u1~bpo11+1","2.6.3-1+deb12u2~bpo11+1"],"bundled":2},{"source":"osv","ecosystem":"openSUSE:Tumbleweed","package":"openvpn","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.6.7-1.1"}]}],"bundled":2}],"products":[{"vendor":"debian","product":"debian_linux"},{"vendor":"fedoraproject","product":"fedora"},{"vendor":"openvpn","product":"access server"},{"vendor":"openvpn","product":"openvpn"},{"vendor":"openvpn","product":"openvpn 2 (community)"},{"vendor":"openvpn","product":"openvpn_access_server"}],"references":[{"url":"https://community.openvpn.net/openvpn/wiki/CVE-2023-46849","tags":["x_transferred","Vendor Advisory","web","report"]},{"url":"https://openvpn.net/security-advisory/access-server-security-update-cve-2023-46849-cve-2023-46850/","tags":["x_transferred","Vendor Advisory","advisory","report"]},{"url":"https://www.debian.org/security/2023/dsa-5555","tags":["x_transferred","Third Party Advisory","advisory"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/L3FS46ANNTAVLIQY56ZKGM5CBTRVBUNE/","tags":["x_transferred","Mailing List","web"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/O54I7D753V6PU6XBU26FEROD2DSHEJQ4/","tags":["x_transferred","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-46849","tags":["advisory"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/L3FS46ANNTAVLIQY56ZKGM5CBTRVBUNE"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/O54I7D753V6PU6XBU26FEROD2DSHEJQ4"},{"url":"https://openvpn.net/security-advisory/access-server-security-update-cve-2023-46849-cve-2023-46850"},{"url":"https://github.com/advisories/GHSA-p99v-qjfm-8vvq"},{"url":"https://security.alpinelinux.org/vuln/CVE-2023-46849","tags":["advisory"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/46xxx/CVE-2023-46849.json","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2023-46849","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2023-46849","tags":["report"]},{"url":"https://ubuntu.com/security/notices/USN-6484-1","tags":["advisory"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2023-46849","tags":["report"]},{"url":"","tags":["advisory"]},{"url":"https://www.suse.com/security/cve/CVE-2023-46849","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2023-46850","tags":["web"]}],"sources":{"cve":[{"id":"CVE-2023-46849","description":"Using the --fragment option in certain configuration setups OpenVPN version 2.6.0 to 2.6.6 allows an attacker to trigger a divide by zero behaviour which could cause an application crash, leading to a denial of service.","status":"published","published":"2023-11-11T00:05:13.487Z","modified":"2025-06-11T14:30:02.796Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"adp"}],"cwes":["CWE-369"],"updated_at":"2026-11-02T14:35:23.645864Z"}],"euvd":[{"id":"EUVD-2023-51015","description":"Using the --fragment option in certain configuration setups OpenVPN version 2.6.0 to 2.6.6 allows an attacker to trigger a divide by zero behaviour which could cause an application crash, leading to a denial of service.","status":"published","published":"2023-11-11T00:05:13Z","modified":"2025-06-11T14:30:02Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T20:32:25.854616Z"}],"ghsa":[{"id":"GHSA-p99v-qjfm-8vvq","title":"Using the --fragment option in certain configuration setups OpenVPN version 2.6.0 to 2.6.6 allows...","description":"Using the --fragment option in certain configuration setups OpenVPN version 2.6.0 to 2.6.6 allows an attacker to trigger a divide by zero behaviour which could cause an application crash, leading to a denial of service.","status":"published","published":"2023-11-11T03:30:16Z","modified":"2025-06-11T15:31:29Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-369"],"updated_at":"2026-11-02T15:02:41.633611Z"}],"nvd":[{"id":"CVE-2023-46849","description":"Using the --fragment option in certain configuration setups OpenVPN version 2.6.0 to 2.6.6 allows an attacker to trigger a divide by zero behaviour which could cause an application crash, leading to a denial of service.","status":"published","published":"2023-11-11T01:15:07.27Z","modified":"2026-06-17T06:31:45.597Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-369"],"updated_at":"2026-11-02T14:08:46.647045Z"}],"osv":[{"id":"ALPINE-CVE-2023-46849","description":"Using the --fragment option in certain configuration setups OpenVPN version 2.6.0 to 2.6.6 allows an attacker to trigger a divide by zero behaviour which could cause an application crash, leading to a denial of service.","status":"published","published":"2023-11-11T01:15:07.27Z","modified":"2026-10-26T17:17:58.651041394Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:27:49.709457Z"},{"id":"CVE-2023-46849","description":"Using the --fragment option in certain configuration setups OpenVPN version 2.6.0 to 2.6.6 allows an attacker to trigger a divide by zero behaviour which could cause an application crash, leading to a denial of service.","status":"published","published":"2023-11-11T00:05:13.487Z","modified":"2026-10-28T02:30:31.01571886Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-369"],"updated_at":"2026-11-02T15:44:34.287121Z"},{"id":"DEBIAN-CVE-2023-46849","description":"Using the --fragment option in certain configuration setups OpenVPN version 2.6.0 to 2.6.6 allows an attacker to trigger a divide by zero behaviour which could cause an application crash, leading to a denial of service.","status":"published","published":"2023-11-11T01:15:07.27Z","modified":"2026-10-26T18:02:35.212607999Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:45:40.275853Z"},{"id":"UBUNTU-CVE-2023-46849","description":"Using the --fragment option in certain configuration setups OpenVPN version 2.6.0 to 2.6.6 allows an attacker to trigger a divide by zero behaviour which could cause an application crash, leading to a denial of service.","status":"withdrawn","published":"2023-11-15T00:00:00Z","modified":"2026-02-04T02:46:47.756167Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T16:54:23.935133Z"},{"id":"DSA-5555-1","title":"openvpn - security update","status":"published","published":"2023-11-15T00:00:00Z","modified":"2026-03-09T02:10:20.680475Z","updated_at":"2026-11-02T15:46:17.892347Z"},{"id":"openSUSE-SU-2024:13429-1","title":"openvpn-2.6.7-1.1 on GA media","description":"These are all security issues fixed in the openvpn-2.6.7-1.1 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2024-06-15T00:00:00Z","modified":"2026-02-04T04:31:49.615578Z","updated_at":"2026-11-02T16:58:36.327643Z"}]}}
