Critical: 389-ds:1.4 security, bug fix, and enhancement update
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. Security Fix(es): * 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) * 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) * 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) * 389-ds-base: 389-ds: anonymous LDAP client can defeat SELFDN ACI bind-rule checks via empty bind DN (CVE-2026-76560) Bug Fix(es) and Enhancement(s): * lib389: set nsDS5ReplicaBindDNGroup before ensure_agreement() [almalinux-8.10.z] (JIRA:AlmaLinux-244463) * fix breaks replication total init when nsDS5ReplicaBindDNGroup is set after agreement creation [almalinux-8.10.z] (JIRA:AlmaLinux-248762) For 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.
ALSA-2026:64791
Primary source · Revision 1
Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.
Security context
Source reference: osv:ALSA-2026:64791
389-ds-base
Source reference: /affected/0/package/name
- Affected versions
- Not stated in this record
- Fixed versions
- 1.4.3.39-28.module_el8.10.0+4274+00f9a3f1
Source reference:
/affected/0/ranges - Prerequisites
- Not stated in this record
389-ds-base-devel
Source reference: /affected/1/package/name
- Affected versions
- Not stated in this record
- Fixed versions
- 1.4.3.39-28.module_el8.10.0+4274+00f9a3f1
Source reference:
/affected/1/ranges - Prerequisites
- Not stated in this record
389-ds-base-legacy-tools
Source reference: /affected/2/package/name
- Affected versions
- Not stated in this record
- Fixed versions
- 1.4.3.39-28.module_el8.10.0+4274+00f9a3f1
Source reference:
/affected/2/ranges - Prerequisites
- Not stated in this record
389-ds-base-libs
Source reference: /affected/3/package/name
- Affected versions
- Not stated in this record
- Fixed versions
- 1.4.3.39-28.module_el8.10.0+4274+00f9a3f1
Source reference:
/affected/3/ranges - Prerequisites
- Not stated in this record
389-ds-base-snmp
Source reference: /affected/4/package/name
- Affected versions
- Not stated in this record
- Fixed versions
- 1.4.3.39-28.module_el8.10.0+4274+00f9a3f1
Source reference:
/affected/4/ranges - Prerequisites
- Not stated in this record
python3-lib389
Source reference: /affected/5/package/name
- Affected versions
- Not stated in this record
- Fixed versions
- 1.4.3.39-28.module_el8.10.0+4274+00f9a3f1
Source reference:
/affected/5/ranges - Prerequisites
- Not stated in this record
Structured affected-version data
Original package identities and version rules from this source.
[
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.4.3.39-28.module_el8.10.0+4274+00f9a3f1"
}
]
}
],
"package": {
"name": "389-ds-base",
"purl": "pkg:rpm/almalinux/389-ds-base",
"ecosystem": "AlmaLinux:8"
},
"database_specific": {
"source": "https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:64791.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.4.3.39-28.module_el8.10.0+4274+00f9a3f1"
}
]
}
],
"package": {
"name": "389-ds-base-devel",
"purl": "pkg:rpm/almalinux/389-ds-base-devel",
"ecosystem": "AlmaLinux:8"
},
"database_specific": {
"source": "https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:64791.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.4.3.39-28.module_el8.10.0+4274+00f9a3f1"
}
]
}
],
"package": {
"name": "389-ds-base-legacy-tools",
"purl": "pkg:rpm/almalinux/389-ds-base-legacy-tools",
"ecosystem": "AlmaLinux:8"
},
"database_specific": {
"source": "https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:64791.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.4.3.39-28.module_el8.10.0+4274+00f9a3f1"
}
]
}
],
"package": {
"name": "389-ds-base-libs",
"purl": "pkg:rpm/almalinux/389-ds-base-libs",
"ecosystem": "AlmaLinux:8"
},
"database_specific": {
"source": "https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:64791.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.4.3.39-28.module_el8.10.0+4274+00f9a3f1"
}
]
}
],
"package": {
"name": "389-ds-base-snmp",
"purl": "pkg:rpm/almalinux/389-ds-base-snmp",
"ecosystem": "AlmaLinux:8"
},
"database_specific": {
"source": "https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:64791.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.4.3.39-28.module_el8.10.0+4274+00f9a3f1"
}
]
}
],
"package": {
"name": "python3-lib389",
"purl": "pkg:rpm/almalinux/python3-lib389",
"ecosystem": "AlmaLinux:8"
},
"database_specific": {
"source": "https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:64791.json"
}
}
]Publisher severity
No explicit severity was provided.
- Event
- #37079 · Revision 1
- Added to Heist Feed
- Publisher date