{"id":"RLSA-2021:5082","summary":"Important: samba security update","details":"Samba is an open-source implementation of the Server Message Block (SMB) protocol and the related Common Internet File System (CIFS) protocol, which allow PC-compatible machines to share files, printers, and various information.\n\nSecurity Fix(es):\n\n* samba: Active Directory (AD) domain user could become root on domain members (CVE-2020-25717)\n\n* samba: SMB1 client connections can be downgraded to plaintext authentication (CVE-2016-2124)\n\n* samba: Subsequent DCE/RPC fragment injection vulnerability (CVE-2021-23192)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.","modified":"2026-02-04T14:30:07.684633Z","published":"2021-12-13T08:15:38Z","upstream":["CVE-2016-2124","CVE-2020-25717","CVE-2021-23192"],"references":[{"type":"ADVISORY","url":"https://errata.rockylinux.org/RLSA-2021:5082"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2019660"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2019666"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2019672"}],"affected":[{"package":{"name":"samba","ecosystem":"Rocky Linux:8","purl":"pkg:rpm/rocky-linux/samba?distro=rocky-linux-8-5-legacy&epoch=0"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:4.14.5-7.el8_5"}],"database_specific":{"yum_repository":"BaseOS"}}],"database_specific":{"source":"https://storage.googleapis.com/resf-osv-data/RLSA-2021:5082.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N"}],"credits":[{"name":"Rocky Enterprise Software Foundation"},{"name":"Red Hat"}]}