{"id":"DEBIAN-CVE-2026-3888","details":"Local privilege escalation in snapd on Linux allows local attackers to get root privilege by re-creating snap's private /tmp directory when systemd-tmpfiles is configured to automatically clean up this directory. This issue affects Ubuntu 16.04 LTS, 18.04 LTS, 20.04 LTS, 22.04 LTS, and 24.04 LTS.","modified":"2026-09-14T17:03:31.332298943Z","published":"2026-03-17T14:16:17.410Z","upstream":["CVE-2026-3888"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2026-3888"}],"affected":[{"package":{"name":"snapd","ecosystem":"Debian:12","purl":"pkg:deb/debian/snapd?arch=source&distro=bookworm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.57.6-1+deb12u1"}]}],"versions":["2.57.6-1"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-3888.json"}},{"package":{"name":"snapd","ecosystem":"Debian:13","purl":"pkg:deb/debian/snapd?arch=source&distro=trixie"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.68.3-3+deb13u1"}]}],"versions":["2.68.3-3"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-3888.json"}},{"package":{"name":"snapd","ecosystem":"Debian:14","purl":"pkg:deb/debian/snapd?arch=source&distro=forky"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.76-1"}]}],"versions":["2.68.3-3","2.71-1","2.71-2","2.71-3","2.72-1","2.73-3","2.73-4","2.74.1-1","2.75.2-1","2.75.2-2"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-3888.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H"}]}