UnratedFix available
389-ds-base: Fix of 4 CVEs
Type: advisorySources: OSV
- CVE-2026-18922: reset the SASL auxprop context after a failed one-shot bind so a stale canon_user identity cannot be inherited by a later successful bind - CVE-2026-18355: validate the minimum SASL packet length in sasl_io_start_packet to prevent an unsigned underflow in sasl_io_read_packet - CVE-2026-76560: reject anonymous clients before evaluating the SELFDN, USERDNATTR and LDAPURL ACI bind rules - CVE-2026-18453: check the paged-results backend pointer for NULL before reusing a slot in op_shared_search
- Products
- 389-ds-base, 389-ds-base-devel, 389-ds-base-libs, 389-ds-base-snmp, python3-lib389
- Affected versions
- Not specified
- Fixed versions
- 2.6.1-12.el9_6.tuxcare.els5
- CVEs
- CVE-2026-18355, CVE-2026-18453, CVE-2026-18922, CVE-2026-76560
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 11:48 UTC · Revision 1
Source evidence
- CVE-2026-18922: reset the SASL auxprop context after a failed one-shot bind so a stale canon_user identity cannot be inherited by a later successful bind - CVE-2026-18355: validate the minimum SASL packet length in sasl_io_start_packet to prevent an unsigned underflow in sasl_io_read_packet - CVE-2026-76560: reject anonymous clients before evaluating the SELFDN, USERDNATTR and LDAPURL ACI bind rules - CVE-2026-18453: check the paged-results backend pointer for NULL before reusing a slot in op_shared_search
osv:CLSA-2026-1789580964
389-ds-base
Fixed versions: 2.6.1-12.el9_6.tuxcare.els5
389-ds-base-devel
Fixed versions: 2.6.1-12.el9_6.tuxcare.els5
389-ds-base-libs
Fixed versions: 2.6.1-12.el9_6.tuxcare.els5
389-ds-base-snmp
Fixed versions: 2.6.1-12.el9_6.tuxcare.els5
python3-lib389
Fixed versions: 2.6.1-12.el9_6.tuxcare.els5
Complete source record
{
"id": "57dff9c808868f4b2d4bbf5f5d846f6499d2819007ac8ce9238d5e2e51248f92",
"url": "https://osv.dev/vulnerability/CLSA-2026-1789580964",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "389-ds-base: Fix of 4 CVEs",
"summary": "- CVE-2026-18922: reset the SASL auxprop context after a failed one-shot bind so a stale canon_user identity cannot be inherited by a later successful bind - CVE-2026-18355: validate the minimum SASL packet length in sasl_io_start_packet to prevent an unsigned underflow in sasl_io_read_packet - CVE-2026-76560: reject anonymous clients before evaluating the SELFDN, USERDNATTR and LDAPURL ACI bind rules - CVE-2026-18453: check the paged-results backend pointer for NULL before reusing a slot in op_shared_search",
"evidence": "osv:CLSA-2026-1789580964",
"products": [
{
"name": {
"value": "389-ds-base",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2.6.1-12.el9_6.tuxcare.els5",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "389-ds-base-devel",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2.6.1-12.el9_6.tuxcare.els5",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "389-ds-base-libs",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2.6.1-12.el9_6.tuxcare.els5",
"evidence": "/affected/2/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "389-ds-base-snmp",
"evidence": "/affected/3/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2.6.1-12.el9_6.tuxcare.els5",
"evidence": "/affected/3/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "python3-lib389",
"evidence": "/affected/4/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2.6.1-12.el9_6.tuxcare.els5",
"evidence": "/affected/4/ranges"
}
],
"affected_versions": []
}
],
"severity": "unknown",
"structured": {
"id": "CLSA-2026-1789580964",
"aliases": [
"CLSA-2026-1789580964"
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "2.6.1-12.el9_6.tuxcare.els5"
}
]
}
],
"package": {
"name": "389-ds-base",
"purl": "pkg:rpm/tuxcare/389-ds-base?distro=almalinux-9.6",
"ecosystem": "TuxCare:AlmaLinux:9.6"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.6esu/CLSA-2026-1789580964.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "2.6.1-12.el9_6.tuxcare.els5"
}
]
}
],
"package": {
"name": "389-ds-base-devel",
"purl": "pkg:rpm/tuxcare/389-ds-base-devel?distro=almalinux-9.6",
"ecosystem": "TuxCare:AlmaLinux:9.6"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.6esu/CLSA-2026-1789580964.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "2.6.1-12.el9_6.tuxcare.els5"
}
]
}
],
"package": {
"name": "389-ds-base-libs",
"purl": "pkg:rpm/tuxcare/389-ds-base-libs?distro=almalinux-9.6",
"ecosystem": "TuxCare:AlmaLinux:9.6"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.6esu/CLSA-2026-1789580964.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "2.6.1-12.el9_6.tuxcare.els5"
}
]
}
],
"package": {
"name": "389-ds-base-snmp",
"purl": "pkg:rpm/tuxcare/389-ds-base-snmp?distro=almalinux-9.6",
"ecosystem": "TuxCare:AlmaLinux:9.6"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.6esu/CLSA-2026-1789580964.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "2.6.1-12.el9_6.tuxcare.els5"
}
]
}
],
"package": {
"name": "python3-lib389",
"purl": "pkg:rpm/tuxcare/python3-lib389?distro=almalinux-9.6",
"ecosystem": "TuxCare:AlmaLinux:9.6"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.6esu/CLSA-2026-1789580964.json"
}
}
],
"modified": "2026-10-26T09:43:21.667248293Z",
"provider": "osv",
"upstream": [
"CVE-2026-18355",
"CVE-2026-18453",
"CVE-2026-18922",
"CVE-2026-76560"
],
"references": [
"https://errata.tuxcare.com/els_os/tuxcare9.6esu/CLSA-2026-1789580964.html",
"https://nvd.nist.gov/vuln/detail/CVE-2026-18355",
"https://nvd.nist.gov/vuln/detail/CVE-2026-18453",
"https://nvd.nist.gov/vuln/detail/CVE-2026-18922",
"https://nvd.nist.gov/vuln/detail/CVE-2026-76560"
]
},
"related_cves": [
{
"value": "CVE-2026-18355",
"evidence": "/upstream"
},
{
"value": "CVE-2026-18453",
"evidence": "/upstream"
},
{
"value": "CVE-2026-18922",
"evidence": "/upstream"
},
{
"value": "CVE-2026-76560",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": null
},
"source_id": "core-osv",
"document_id": 449858,
"published_at": "2026-09-16T17:49:37+00:00"
}