{"id":"ALSA-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":"2026-02-04T04:24:20.159380Z","published":"2021-12-13T08:15:38Z","related":["CVE-2016-2124","CVE-2020-25717","CVE-2021-23192"],"references":[{"type":"REPORT","url":"https://vulners.com/cve/CVE-2016-2124"},{"type":"REPORT","url":"https://vulners.com/cve/CVE-2020-25717"},{"type":"REPORT","url":"https://vulners.com/cve/CVE-2021-23192"}],"affected":[{"package":{"name":"libsmbclient-devel","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/libsmbclient-devel"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.14.5-7.el8_5"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2021:5082.json"}},{"package":{"name":"libwbclient-devel","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/libwbclient-devel"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.14.5-7.el8_5"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2021:5082.json"}},{"package":{"name":"samba-devel","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/samba-devel"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.14.5-7.el8_5"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2021:5082.json"}},{"package":{"name":"samba-vfs-iouring","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/samba-vfs-iouring"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.14.5-7.el8_5"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2021:5082.json"}}],"schema_version":"1.7.3"}