{"action":"Upgrade 389-ds-base to 2.0.15-1 or later.","affected":[{"fixed":"2.0.15-1","introduced":"0"}],"component":"389-ds-base","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["2.0.15-1"],"id":"tcs_01M5NFZMAMRX63X8F6RPBBHJYF","modified_at":"2026-10-23T18:03:33.898729315Z","published_at":"2022-02-18T18:15:10.300Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2021-4091","https://security-tracker.debian.org/tracker/CVE-2021-4091"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2021-4091#Debian:13/389-ds-base","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2021-4091"}],"summary":"A double-free was found in the way 389-ds-base handles virtual attributes context in persistent searches. An attacker could send a series of search requests, forcing the server to behave unexpectedly,"}