{"id":"ALSA-2026:64784","summary":"Critical: 389-ds-base security, bug fix, and enhancement update","details":"389 Directory Server is an LDAP version 3 (LDAPv3) compliant server. The base packages include the Lightweight Directory Access Protocol (LDAP) server and command-line utilities for server administration.  \n\nSecurity Fix(es):  \n\n  * 389-ds-base: 389-ds-base: heap buffer overflow via SASL wrapped-record length lower-bound underflow in sasl_io_start_packet() (CVE-2026-18355)\n  * 389-ds-base: 389-ds-base: pre-authentication NULL pointer dereference via paged results and USE_ONE_BACKEND control in op_shared_search (CVE-2026-18453)\n  * 389-ds-base: 389-ds-base: SASL PLAIN authentication allows privilege escalation to Directory Manager via stale identity in Cyrus SASL auxiliary property (CVE-2026-18922)\n  * 389-ds-base: 389-ds: anonymous LDAP client can defeat SELFDN ACI bind-rule checks via empty bind DN (CVE-2026-76560)\n  * 389-ds-base: 389-ds-base: CVE-2026-11610 incomplete fix may introduce a connection-stall DoS (CVE-2026-78701)\n\n\nBug Fix(es) and Enhancement(s):  \n\n  * lib389: set nsDS5ReplicaBindDNGroup before ensure_agreement() [almalinux-9.8.z] (JIRA:AlmaLinux-244467)\n  * fix breaks replication total init when nsDS5ReplicaBindDNGroup is set after agreement creation [almalinux-9.8.z] (JIRA:AlmaLinux-248766)\n\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.\n","modified":"2026-09-10T11:26:38.953448535Z","published":"2026-09-08T00:00:00Z","related":["CVE-2026-11610","CVE-2026-18355","CVE-2026-18453","CVE-2026-18922","CVE-2026-76560","CVE-2026-78701"],"references":[{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:64784"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-18355"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-18453"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-18922"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-76560"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-78701"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2509186"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2509696"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2511388"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2519521"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2523232"},{"type":"ADVISORY","url":"https://errata.almalinux.org/9/ALSA-2026-64784.html"}],"affected":[{"package":{"name":"389-ds-base","ecosystem":"AlmaLinux:9","purl":"pkg:rpm/almalinux/389-ds-base"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.8.0-10.el9_8"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2026:64784.json"}},{"package":{"name":"389-ds-base-devel","ecosystem":"AlmaLinux:9","purl":"pkg:rpm/almalinux/389-ds-base-devel"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.8.0-10.el9_8"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2026:64784.json"}},{"package":{"name":"389-ds-base-libs","ecosystem":"AlmaLinux:9","purl":"pkg:rpm/almalinux/389-ds-base-libs"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.8.0-10.el9_8"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2026:64784.json"}},{"package":{"name":"389-ds-base-snmp","ecosystem":"AlmaLinux:9","purl":"pkg:rpm/almalinux/389-ds-base-snmp"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.8.0-10.el9_8"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2026:64784.json"}},{"package":{"name":"python3-lib389","ecosystem":"AlmaLinux:9","purl":"pkg:rpm/almalinux/python3-lib389"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.8.0-10.el9_8"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2026:64784.json"}}],"schema_version":"1.9.0"}