{"schema_version":"1.7.3","id":"openSUSE-SU-2021:0636-1","published":"2021-04-30T19:22:58Z","modified":"2026-02-04T02:51:51.098370Z","related":["CVE-2020-27840","CVE-2021-20254","CVE-2021-20277"],"upstream":["CVE-2020-27840","CVE-2021-20254","CVE-2021-20277"],"summary":"Security update for samba","details":"This update for samba fixes the following issues:\n\n- CVE-2021-20277: Fixed an out of bounds read in ldb_handler_fold (bsc#1183574).\n- CVE-2021-20254: Fixed a buffer overrun in sids_to_unixids() (bsc#1184677).\n- CVE-2020-27840: Fixed an unauthenticated remote heap corruption via bad DNs (bsc#1183572).\n- Avoid free'ing our own pointer in memcache when memcache_trim attempts to reduce cache size (bsc#1179156).\n- s3-libads: use dns name to open a ldap session (bsc#1184310).\n- Adjust smbcacls '--propagate-inheritance' feature to align with upstream (bsc#1178469).\n\nThis update was imported from the SUSE:SLE-15-SP2:Update update project.","affected":[{"package":{"name":"samba","ecosystem":"openSUSE:Leap 15.2","purl":"pkg:rpm/opensuse/samba&distro=openSUSE%20Leap%2015.2"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.11.14+git.247.8c858f7ee14-lp152.3.19.1"}]}],"ecosystem_specific":{"binaries":[{"ctdb":"4.11.14+git.247.8c858f7ee14-lp152.3.19.1","ctdb-pcp-pmda":"4.11.14+git.247.8c858f7ee14-lp152.3.19.1","ctdb-tests":"4.11.14+git.247.8c858f7ee14-lp152.3.19.1","libdcerpc-binding0":"4.11.14+git.247.8c858f7ee14-lp152.3.19.1","libdcerpc-binding0-32bit":"4.11.14+git.247.8c858f7ee14-lp152.3.19.1","libdcerpc-devel":"4.11.14+git.247.8c858f7ee14-lp152.3.19.1","libdcerpc-samr-devel":"4.11.14+git.247.8c858f7ee14-lp152.3.19.1","libdcerpc-samr0":"4.11.14+git.247.8c858f7ee14-lp152.3.19.1","libdcerpc-samr0-32bit":"4.11.14+git.247.8c858f7ee14-lp152.3.19.1","libdcerpc0":"4.11.14+git.247.8c858f7ee14-lp152.3.19.1","libdcerpc0-32bit":"4.11.14+git.247.8c858f7ee14-lp152.3.19.1","libndr-devel":"4.11.14+git.247.8c858f7ee14-lp152.3.19.1","libndr-krb5pac-devel":"4.11.14+git.247.8c858f7ee14-lp152.3.19.1","libndr-krb5pac0":"4.11.14+git.247.8c858f7ee14-lp152.3.19.1","libndr-krb5pac0-32bit":"4.11.14+git.247.8c858f7ee14-lp152.3.19.1","libndr-nbt-devel":"4.11.14+git.247.8c858f7ee14-lp152.3.19.1","libndr-nbt0":"4.11.14+git.247.8c858f7ee14-lp152.3.19.1","libndr-nbt0-32bit":"4.11.14+git.247.8c858f7ee14-lp152.3.19.1","libndr-standard-devel":"4.11.14+git.247.8c858f7ee14-lp152.3.19.1","libndr-standard0":"4.11.14+git.247.8c858f7ee14-lp152.3.19.1","libndr-standard0-32bit":"4.11.14+git.247.8c858f7ee14-lp152.3.19.1","libndr0":"4.11.14+git.247.8c858f7ee14-lp152.3.19.1","libndr0-32bit":"4.11.14+git.247.8c858f7ee14-lp152.3.19.1","libnetapi-devel":"4.11.14+git.247.8c858f7ee14-lp152.3.19.1","libnetapi-devel-32bit":"4.11.14+git.247.8c858f7ee14-lp152.3.19.1","libnetapi0":"4.11.14+git.247.8c858f7ee14-lp152.3.19.1","libnetapi0-32bit":"4.11.14+git.247.8c858f7ee14-lp152.3.19.1","libsamba-credentials-devel":"4.11.14+git.247.8c858f7ee14-lp152.3.19.1","libsamba-credentials0":"4.11.14+git.247.8c858f7ee14-lp152.3.19.1","libsamba-credentials0-32bit":"4.11.14+git.247.8c858f7ee14-lp152.3.19.1","libsamba-errors-devel":"4.11.14+git.247.8c858f7ee14-lp152.3.19.1","libsamba-errors0":"4.11.14+git.247.8c858f7ee14-lp152.3.19.1","libsamba-errors0-32bit":"4.11.14+git.247.8c858f7ee14-lp152.3.19.1","libsamba-hostconfig-devel":"4.11.14+git.247.8c858f7ee14-lp152.3.19.1","libsamba-hostconfig0":"4.11.14+git.247.8c858f7ee14-lp152.3.19.1","libsamba-hostconfig0-32bit":"4.11.14+git.247.8c858f7ee14-lp152.3.19.1","libsamba-passdb-devel":"4.11.14+git.247.8c858f7ee14-lp152.3.19.1","libsamba-passdb0":"4.11.14+git.247.8c858f7ee14-lp152.3.19.1","libsamba-passdb0-32bit":"4.11.14+git.247.8c858f7ee14-lp152.3.19.1","libsamba-policy-devel":"4.11.14+git.247.8c858f7ee14-lp152.3.19.1","libsamba-policy-python3-devel":"4.11.14+git.247.8c858f7ee14-lp152.3.19.1","libsamba-policy0-python3":"4.11.14+git.247.8c858f7ee14-lp152.3.19.1","libsamba-policy0-python3-32bit":"4.11.14+git.247.8c858f7ee14-lp152.3.19.1","libsamba-util-devel":"4.11.14+git.247.8c858f7ee14-lp152.3.19.1","libsamba-util0":"4.11.14+git.247.8c858f7ee14-lp152.3.19.1","libsamba-util0-32bit":"4.11.14+git.247.8c858f7ee14-lp152.3.19.1","libsamdb-devel":"4.11.14+git.247.8c858f7ee14-lp152.3.19.1","libsamdb0":"4.11.14+git.247.8c858f7ee14-lp152.3.19.1","libsamdb0-32bit":"4.11.14+git.247.8c858f7ee14-lp152.3.19.1","libsmbclient-devel":"4.11.14+git.247.8c858f7ee14-lp152.3.19.1","libsmbclient0":"4.11.14+git.247.8c858f7ee14-lp152.3.19.1","libsmbclient0-32bit":"4.11.14+git.247.8c858f7ee14-lp152.3.19.1","libsmbconf-devel":"4.11.14+git.247.8c858f7ee14-lp152.3.19.1","libsmbconf0":"4.11.14+git.247.8c858f7ee14-lp152.3.19.1","libsmbconf0-32bit":"4.11.14+git.247.8c858f7ee14-lp152.3.19.1","libsmbldap-devel":"4.11.14+git.247.8c858f7ee14-lp152.3.19.1","libsmbldap2":"4.11.14+git.247.8c858f7ee14-lp152.3.19.1","libsmbldap2-32bit":"4.11.14+git.247.8c858f7ee14-lp152.3.19.1","libtevent-util-devel":"4.11.14+git.247.8c858f7ee14-lp152.3.19.1","libtevent-util0":"4.11.14+git.247.8c858f7ee14-lp152.3.19.1","libtevent-util0-32bit":"4.11.14+git.247.8c858f7ee14-lp152.3.19.1","libwbclient-devel":"4.11.14+git.247.8c858f7ee14-lp152.3.19.1","libwbclient0":"4.11.14+git.247.8c858f7ee14-lp152.3.19.1","libwbclient0-32bit":"4.11.14+git.247.8c858f7ee14-lp152.3.19.1","samba":"4.11.14+git.247.8c858f7ee14-lp152.3.19.1","samba-ad-dc":"4.11.14+git.247.8c858f7ee14-lp152.3.19.1","samba-ad-dc-32bit":"4.11.14+git.247.8c858f7ee14-lp152.3.19.1","samba-ceph":"4.11.14+git.247.8c858f7ee14-lp152.3.19.1","samba-client":"4.11.14+git.247.8c858f7ee14-lp152.3.19.1","samba-client-32bit":"4.11.14+git.247.8c858f7ee14-lp152.3.19.1","samba-core-devel":"4.11.14+git.247.8c858f7ee14-lp152.3.19.1","samba-doc":"4.11.14+git.247.8c858f7ee14-lp152.3.19.1","samba-dsdb-modules":"4.11.14+git.247.8c858f7ee14-lp152.3.19.1","samba-libs":"4.11.14+git.247.8c858f7ee14-lp152.3.19.1","samba-libs-32bit":"4.11.14+git.247.8c858f7ee14-lp152.3.19.1","samba-libs-python3":"4.11.14+git.247.8c858f7ee14-lp152.3.19.1","samba-libs-python3-32bit":"4.11.14+git.247.8c858f7ee14-lp152.3.19.1","samba-python3":"4.11.14+git.247.8c858f7ee14-lp152.3.19.1","samba-test":"4.11.14+git.247.8c858f7ee14-lp152.3.19.1","samba-winbind":"4.11.14+git.247.8c858f7ee14-lp152.3.19.1","samba-winbind-32bit":"4.11.14+git.247.8c858f7ee14-lp152.3.19.1"}]},"database_specific":{"source":"https://ftp.suse.com/pub/projects/security/osv/openSUSE-SU-2021:0636-1.json"}}],"references":[{"type":"ADVISORY","url":"https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/PJGQFNCBDL3CAZODHIFOKKWU3XGKLEKA/"},{"type":"REPORT","url":"https://bugzilla.suse.com/1178469"},{"type":"REPORT","url":"https://bugzilla.suse.com/1179156"},{"type":"REPORT","url":"https://bugzilla.suse.com/1183572"},{"type":"REPORT","url":"https://bugzilla.suse.com/1183574"},{"type":"REPORT","url":"https://bugzilla.suse.com/1184310"},{"type":"REPORT","url":"https://bugzilla.suse.com/1184677"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2020-27840"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2021-20254"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2021-20277"}]}