{"id":"UBUNTU-CVE-2019-12439","details":"bubblewrap.c in Bubblewrap before 0.3.3 misuses temporary directories in /tmp as a mount point. In some particular configurations (related to XDG_RUNTIME_DIR), a local attacker may abuse this flaw to prevent other users from executing bubblewrap or potentially execute code.","modified":"2026-09-18T23:45:03.614139617Z","published":"2019-05-29T15:29:00Z","related":["USN-8779-1"],"upstream":["CVE-2019-12439"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2019-12439"},{"type":"REPORT","url":"https://github.com/projectatomic/bubblewrap/releases/tag/v0.3.3"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2019-12439"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-8779-1"}],"affected":[{"package":{"name":"bubblewrap","ecosystem":"Ubuntu:Pro:18.04:LTS","purl":"pkg:deb/ubuntu/bubblewrap?arch=source&distro=esm-infra%2Fbionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.2.1-1ubuntu0.1+esm2"}]}],"versions":["0.2.0-1","0.2.0-2","0.2.0-4","0.2.1-1","0.2.1-1ubuntu0.1"],"ecosystem_specific":{"binaries":[{"binary_name":"bubblewrap","binary_version":"0.2.1-1ubuntu0.1+esm2"}],"availability":"Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2019/UBUNTU-CVE-2019-12439.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"type":"CVSS_V3","score":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"low"}]}