{"id":"CVE-2020-21469","details":"An issue was discovered in PostgreSQL 12.2 allows attackers to cause a denial of service via repeatedly sending SIGHUP signals. NOTE: this is disputed by the vendor because untrusted users cannot send SIGHUP signals; they can only be sent by a PostgreSQL superuser, a user with pg_reload_conf access, or a user with sufficient privileges at the OS level (the postgres account or the root account).","aliases":["BIT-postgresql-2020-21469"],"modified":"2026-03-14T10:18:05.171740Z","published":"2023-08-22T19:16:13.257Z","related":["CGA-qhv5-4m3h-2xcv"],"references":[{"type":"WEB","url":"https://www.postgresql.org/support/security/"},{"type":"ARTICLE","url":"https://www.postgresql.org/message-id/flat/CAA8ZSMqAHDCgo07hqKoM5XJaoQy6Vv76O7966agez4ffyQktkA%40mail.gmail.com"},{"type":"EVIDENCE","url":"https://www.postgresql.org/message-id/CAA8ZSMqAHDCgo07hqKoM5XJaoQy6Vv76O7966agez4ffyQktkA%40mail.gmail.com"}],"affected":[{"database_specific":{"unresolved_ranges":[{"events":[{"introduced":"0"},{"last_affected":"12.2"}]}],"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-21469.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H"}]}