{"id":"CVE-2020-16127","details":"An Ubuntu-specific modification to AccountsService in versions before 0.6.55-0ubuntu13.2, among other earlier versions, would perform unbounded read operations on user-controlled ~/.pam_environment files, allowing an infinite loop if /dev/zero is symlinked to this location.","modified":"2026-05-04T08:32:25.616900Z","published":"2020-11-11T04:15:12.177Z","withdrawn":"2026-05-04T08:32:25.616900Z","references":[{"type":"EVIDENCE","url":"https://securitylab.github.com/advisories/GHSL-2020-187-accountsservice-drop-privs-DOS"}],"affected":[{"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-16127.json","unresolved_ranges":[{"events":[{"introduced":"0"},{"fixed":"0.6.55"}]}]}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"}]}