{"id":"CVE-2017-9461","details":"smbd in Samba before 4.4.10 and 4.5.x before 4.5.6 has a denial of service vulnerability (fd_open_atomic infinite loop with high CPU usage and memory consumption) due to wrongly handling dangling symlinks.","modified":"2026-07-08T05:50:37.365874541Z","published":"2017-06-06T21:29:00.313Z","database_specific":{"unresolved_ranges":[{"extracted_events":[{"introduced":"8.0"},{"last_affected":"8.0"}],"cpes":["cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*"],"source":"CPE_STRING","vendor_product":"debian:debian_linux"},{"extracted_events":[{"introduced":"7.0"},{"last_affected":"7.0"}],"cpes":["cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:*"],"vendor_product":"redhat:enterprise_linux_desktop","source":"CPE_STRING"},{"extracted_events":[{"introduced":"7.0"},{"last_affected":"7.0"}],"cpes":["cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*"],"vendor_product":"redhat:enterprise_linux_server","source":"CPE_STRING"},{"cpes":["cpe:2.3:o:redhat:enterprise_linux_server_aus:7.4:*:*:*:*:*:*:*","cpe:2.3:o:redhat:enterprise_linux_server_aus:7.6:*:*:*:*:*:*:*"],"extracted_events":[{"introduced":"7.4"},{"last_affected":"7.4"},{"introduced":"7.6"},{"last_affected":"7.6"}],"vendor_product":"redhat:enterprise_linux_server_aus","source":"CPE_STRING"},{"extracted_events":[{"introduced":"7.4"},{"last_affected":"7.4"},{"introduced":"7.5"},{"last_affected":"7.5"},{"introduced":"7.6"},{"last_affected":"7.6"}],"cpes":["cpe:2.3:o:redhat:enterprise_linux_server_eus:7.4:*:*:*:*:*:*:*","cpe:2.3:o:redhat:enterprise_linux_server_eus:7.5:*:*:*:*:*:*:*","cpe:2.3:o:redhat:enterprise_linux_server_eus:7.6:*:*:*:*:*:*:*"],"vendor_product":"redhat:enterprise_linux_server_eus","source":"CPE_STRING"},{"extracted_events":[{"introduced":"7.6"},{"last_affected":"7.6"}],"cpes":["cpe:2.3:o:redhat:enterprise_linux_server_tus:7.6:*:*:*:*:*:*:*"],"vendor_product":"redhat:enterprise_linux_server_tus","source":"CPE_STRING"},{"extracted_events":[{"introduced":"7.0"},{"last_affected":"7.0"}],"cpes":["cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*"],"vendor_product":"redhat:enterprise_linux_workstation","source":"CPE_STRING"}]},"references":[{"type":"WEB","url":"https://git.samba.org/?p=samba.git%3Ba=commit%3Bh=10c3e3923022485c720f322ca4f0aca5d7501310"},{"type":"ADVISORY","url":"http://www.securityfocus.com/bid/99455"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2017:1950"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2017:2338"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2017:2778"},{"type":"ADVISORY","url":"https://lists.debian.org/debian-lts-announce/2019/04/msg00013.html"},{"type":"FIX","url":"https://bugs.debian.org/864291"},{"type":"FIX","url":"https://bugzilla.samba.org/show_bug.cgi?id=12572"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/samba-team/samba","events":[{"introduced":"0"},{"last_affected":"daef395600e23dfda782c556a9e7ef06e395c557"},{"introduced":"916fab083a8cb5c10365da7f3a85d0bbfde4a30e"},{"last_affected":"49c473f6fe978d7f0a5d32df92e212380490a566"}],"database_specific":{"extracted_events":[{"introduced":"0"},{"last_affected":"4.4.9"},{"introduced":"4.5.0"},{"last_affected":"4.5.0"},{"introduced":"4.5.1"},{"last_affected":"4.5.1"},{"introduced":"4.5.2"},{"last_affected":"4.5.2"},{"introduced":"4.5.3"},{"last_affected":"4.5.3"},{"introduced":"4.5.4"},{"last_affected":"4.5.4"},{"introduced":"4.5.5"},{"last_affected":"4.5.5"}],"source":["CPE_RANGE","CPE_STRING"],"cpe":["cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:*","cpe:2.3:a:samba:samba:4.5.0:*:*:*:*:*:*:*","cpe:2.3:a:samba:samba:4.5.1:*:*:*:*:*:*:*","cpe:2.3:a:samba:samba:4.5.2:*:*:*:*:*:*:*","cpe:2.3:a:samba:samba:4.5.3:*:*:*:*:*:*:*","cpe:2.3:a:samba:samba:4.5.4:*:*:*:*:*:*:*","cpe:2.3:a:samba:samba:4.5.5:*:*:*:*:*:*:*"]}}],"versions":["4.5.0","4.5.1","4.5.2","4.5.3","4.5.4","4.5.5","samba-4.4.9","samba-4.5.5","samba-4.5.4","samba-4.4.8","samba-4.4.7","samba-4.5.0","samba-4.4.4","samba-4.4.3","samba-4.4.2","samba-4.4.1","samba-4.4.0","samba-4.4.0rc5","samba-4.4.0rc4","samba-4.4.0rc3","samba-4.4.0rc2","samba-4.4.0rc1","ldb-1.1.25","ldb-1.1.23","talloc-2.1.5","tdb-1.3.8","tevent-0.9.26","ldb-1.1.22","talloc-2.1.4","samba-4.3.0rc1","ldb-1.1.21","tdb-1.3.7","talloc-2.1.3","tdb-1.3.6","tevent-0.9.25","tdb-1.3.5","talloc-2.1.2","tevent-0.9.24","tevent-0.9.23","ldb-1.1.20","ldb-1.1.19","tdb-1.3.4","tdb-1.3.3","ldb-1.1.18","tdb-1.3.2","samba-4.2.0rc1","tevent-0.9.22","tdb-1.3.1","tdb-1.3.0","talloc-2.1.1","ldb-1.1.17","tdb-1.2.13","tevent-0.9.21","tevent-0.9.20","talloc-2.1.0","tevent-0.9.19","ldb-1.1.16","tdb-1.2.12","tevent-0.9.18","ldb-1.1.15","ldb-1.1.14","tdb-1.2.11","talloc-2.0.8","samba-4.0.0rc1","ldb-1.1.13","samba-4.0.0beta8","ldb-1.1.12","ldb-1.1.11","samba-4.0.0beta7","tevent-0.9.17","samba-4.0.0beta6","ldb-1.1.10","ldb-1.1.9","samba-4.0.0beta5","samba-4.0.0beta4","ldb-1.1.8","samba-4.0.0beta3","samba-4.0.0beta2","tevent-0.9.16","samba-4.0.0beta1","samba-4.0.0alpha21","samba-4.0.0alpha20","ldb-1.1.6","samba-4.0.0alpha19","ldb-1.1.5","tdb-1.2.10","samba-4.0.0alpha18","tevent-0.9.15","ldb-1.1.4","ldb-1.1.3","talloc-2.0.7","samba-4.0.0alpha17","tevent-0.9.14","ldb-1.1.2","teve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