{"id":"DEBIAN-CVE-2016-6329","details":"OpenVPN, when using a 64-bit block cipher, makes it easier for remote attackers to obtain cleartext data via a birthday attack against a long-duration encrypted session, as demonstrated by an HTTP-over-OpenVPN session using Blowfish in CBC mode, aka a \"Sweet32\" attack.","modified":"2025-12-08T01:49:35.821600Z","published":"2017-01-31T22:59:00.377Z","withdrawn":"2025-12-08T01:49:35.821600Z","upstream":["CVE-2016-6329"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2016-6329"}],"affected":[{"package":{"name":"openvpn","ecosystem":"Debian:11","purl":"pkg:deb/debian/openvpn?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.5.1-3","2.5.1-3+deb11u1","2.5.1-3+deb11u2","2.5.5-1","2.5.6-1","2.6.0-1","2.6.0-1~bpo11+1","2.6.0~git20220317+dco-1","2.6.0~git20220510+dco-1","2.6.0~git20220518+dco-1","2.6.0~git20220518+dco-2","2.6.0~git20220518+dco-3","2.6.0~git20220808-1","2.6.0~git20220811-1","2.6.0~git20220811-2","2.6.0~git20220818-1","2.6.0~git20221116-1","2.6.0~git20221201-1","2.6.0~git20221215+beta2-1","2.6.0~git20221222-1","2.6.0~rc1-1","2.6.0~rc1-1~bpo11+1","2.6.0~rc2-1","2.6.1-1","2.6.1-1~exp1","2.6.11-1","2.6.12-1","2.6.13-1","2.6.14-1","2.6.14-2","2.6.15-1","2.6.2-1~exp1","2.6.2-1~exp2","2.6.3-1","2.6.3-1~bpo11+1","2.6.3-2","2.6.3-2.1","2.6.7-1","2.6.9-1","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"],"ecosystem_specific":{"urgency":"unimportant"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2016-6329.json"}},{"package":{"name":"openvpn","ecosystem":"Debian:12","purl":"pkg:deb/debian/openvpn?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.6.11-1","2.6.12-1","2.6.13-1","2.6.14-1","2.6.14-2","2.6.15-1","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","2.6.3-2","2.6.3-2.1","2.6.7-1","2.6.9-1","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"],"ecosystem_specific":{"urgency":"unimportant"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2016-6329.json"}},{"package":{"name":"openvpn","ecosystem":"Debian:13","purl":"pkg:deb/debian/openvpn?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.6.14-1","2.6.14-2","2.6.15-1","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"],"ecosystem_specific":{"urgency":"unimportant"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2016-6329.json"}},{"package":{"name":"openvpn","ecosystem":"Debian:14","purl":"pkg:deb/debian/openvpn?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.6.14-1","2.6.14-2","2.6.15-1","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"],"ecosystem_specific":{"urgency":"unimportant"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2016-6329.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N"}]}