{"id":"UBUNTU-CVE-2015-3629","details":"Libcontainer 1.6.0, as used in Docker Engine, allows local users to escape containerization (\"mount namespace breakout\") and write to arbitrary file on the host system via a symlink attack in an image when respawning a container.","modified":"2025-07-16T08:17:52.342183Z","published":"2015-05-18T15:59:00Z","upstream":["CVE-2015-3629"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2015-3629"},{"type":"REPORT","url":"http://www.openwall.com/lists/oss-security/2015/05/07/10"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2015-3629"}],"affected":[{"package":{"name":"docker.io","ecosystem":"Ubuntu:14.04:LTS","purl":"pkg:deb/ubuntu/docker.io@1.6.2~dfsg1-1ubuntu4~14.04.1?arch=source&distro=trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.6.2~dfsg1-1ubuntu4~14.04.1"}]}],"versions":["0.6.7+dfsg1-1","0.6.7+dfsg1-2","0.6.7+dfsg1-3","0.7.1+dfsg1-1","0.7.6+dfsg1-1","0.8.1+dfsg1-1","0.9.1~dfsg1-2","1.0.1~dfsg1-0ubuntu1~ubuntu0.14.04.1"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"docker.io","binary_version":"1.6.2~dfsg1-1ubuntu4~14.04.1"},{"binary_name":"golang-docker-dev","binary_version":"1.6.2~dfsg1-1ubuntu4~14.04.1"},{"binary_name":"vim-syntax-docker","binary_version":"1.6.2~dfsg1-1ubuntu4~14.04.1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2015/UBUNTU-CVE-2015-3629.json"}},{"package":{"name":"docker.io","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/docker.io@1.6.2~dfsg1-1ubuntu4?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.6.2~dfsg1-1ubuntu4"}]}],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_version":"1.6.2~dfsg1-1ubuntu4","binary_name":"docker.io"},{"binary_version":"1.6.2~dfsg1-1ubuntu4","binary_name":"golang-docker-dev"},{"binary_name":"vim-syntax-docker","binary_version":"1.6.2~dfsg1-1ubuntu4"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2015/UBUNTU-CVE-2015-3629.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}]}