openldap: Fix of 14 CVEs
- Rebase to 2.4.58 to fix the following vulnerabilities: - CVE-2020-12243: fix denial of service caused by LDAP search filters with nested boolean expressions - CVE-2020-36221: fix integer underflow in the Certificate Exact Assertion processing - CVE-2020-36223: fix slapd crash in the Values Return Filter control handling - CVE-2020-36226: fix slapd crash in the saslAuthzTo processing - CVE-2020-36228: fix slapd crash in the Certificate List Exact Assertion processing - CVE-2020-36225: fix double free and slapd crash in the saslAuthzTo processing - CVE-2020-36227: fix infinite loop in slapd with the cancel_extop Cancel operation - CVE-2020-36230: fix assertion failure in slapd in the X.509 DN parsing in decode.c - CVE-2020-25692: fix NULL pointer dereference during a request for renaming RDNs - CVE-2020-25709: fix assertion failure caused by processing malicious packet - CVE-2020-36224: fix invalid pointer free and slapd crash in the saslAuthzTo processing - CVE-2020-36229: fix slapd crash in the X.509 DN parsing in ad_keystring - CVE-2020-25710: fix failed assertion in csnNormalize23() - CVE-2020-36222: fix assertion failure in slapd in the saslAuthzTo validation
- Products
- openldap, openldap-clients, openldap-devel, openldap-servers, openldap-servers-sql
- Affected versions
- Not specified
- Fixed versions
- 2.4.58-1.el6.tuxcare.els1
- CVEs
- CVE-2020-12243, CVE-2020-25692, CVE-2020-25709, CVE-2020-25710, CVE-2020-36221, CVE-2020-36222, CVE-2020-36223, CVE-2020-36224, CVE-2020-36225, CVE-2020-36226, CVE-2020-36227, CVE-2020-36228, CVE-2020-36229, CVE-2020-36230
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 13:54 UTC · Revision 1
Source evidence
- Rebase to 2.4.58 to fix the following vulnerabilities: - CVE-2020-12243: fix denial of service caused by LDAP search filters with nested boolean expressions - CVE-2020-36221: fix integer underflow in the Certificate Exact Assertion processing - CVE-2020-36223: fix slapd crash in the Values Return Filter control handling - CVE-2020-36226: fix slapd crash in the saslAuthzTo processing - CVE-2020-36228: fix slapd crash in the Certificate List Exact Assertion processing - CVE-2020-36225: fix double free and slapd crash in the saslAuthzTo processing - CVE-2020-36227: fix infinite loop in slapd with the cancel_extop Cancel operation - CVE-2020-36230: fix assertion failure in slapd in the X.509 DN parsing in decode.c - CVE-2020-25692: fix NULL pointer dereference during a request for renaming RDNs - CVE-2020-25709: fix assertion failure caused by processing malicious packet - CVE-2020-36224: fix invalid pointer free and slapd crash in the saslAuthzTo processing - CVE-2020-36229: fix slapd crash in the X.509 DN parsing in ad_keystring - CVE-2020-25710: fix failed assertion in csnNormalize23() - CVE-2020-36222: fix assertion failure in slapd in the saslAuthzTo validation
osv:CLSA-2025-1758645818
openldap
Fixed versions: 2.4.58-1.el6.tuxcare.els1
openldap-clients
Fixed versions: 2.4.58-1.el6.tuxcare.els1
openldap-devel
Fixed versions: 2.4.58-1.el6.tuxcare.els1
openldap-servers
Fixed versions: 2.4.58-1.el6.tuxcare.els1
openldap-servers-sql
Fixed versions: 2.4.58-1.el6.tuxcare.els1
Complete source record
{
"id": "553ae1a331ec06c08e3a9163505a78e9269f58361310e70a6e503c1cdc4d7a18",
"url": "https://osv.dev/vulnerability/CLSA-2025-1758645818",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "openldap: Fix of 14 CVEs",
"summary": "- Rebase to 2.4.58 to fix the following vulnerabilities: - CVE-2020-12243: fix denial of service caused by LDAP search filters with nested boolean expressions - CVE-2020-36221: fix integer underflow in the Certificate Exact Assertion processing - CVE-2020-36223: fix slapd crash in the Values Return Filter control handling - CVE-2020-36226: fix slapd crash in the saslAuthzTo processing - CVE-2020-36228: fix slapd crash in the Certificate List Exact Assertion processing - CVE-2020-36225: fix double free and slapd crash in the saslAuthzTo processing - CVE-2020-36227: fix infinite loop in slapd with the cancel_extop Cancel operation - CVE-2020-36230: fix assertion failure in slapd in the X.509 DN parsing in decode.c - CVE-2020-25692: fix NULL pointer dereference during a request for renaming RDNs - CVE-2020-25709: fix assertion failure caused by processing malicious packet - CVE-2020-36224: fix invalid pointer free and slapd crash in the saslAuthzTo processing - CVE-2020-36229: fix slapd crash in the X.509 DN parsing in ad_keystring - CVE-2020-25710: fix failed assertion in csnNormalize23() - CVE-2020-36222: fix assertion failure in slapd in the saslAuthzTo validation",
"evidence": "osv:CLSA-2025-1758645818",
"products": [
{
"name": {
"value": "openldap",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2.4.58-1.el6.tuxcare.els1",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "openldap-clients",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
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{
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"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
},
{
"name": {
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"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
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"evidence": "/affected/2/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "openldap-servers",
"evidence": "/affected/3/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
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"evidence": "/affected/3/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "openldap-servers-sql",
"evidence": "/affected/4/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2.4.58-1.el6.tuxcare.els1",
"evidence": "/affected/4/ranges"
}
],
"affected_versions": []
}
],
"severity": "unknown",
"structured": {
"id": "CLSA-2025-1758645818",
"aliases": [
"CLSA-2025-1758645818"
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
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}
]
}
],
"package": {
"name": "openldap",
"purl": "pkg:rpm/tuxcare/openldap?distro=centos-6",
"ecosystem": "TuxCare:CentOS:6"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos6els/CLSA-2025-1758645818.json"
}
},
{
"ranges": [
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],
"package": {
"name": "openldap-clients",
"purl": "pkg:rpm/tuxcare/openldap-clients?distro=centos-6",
"ecosystem": "TuxCare:CentOS:6"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos6els/CLSA-2025-1758645818.json"
}
},
{
"ranges": [
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],
"package": {
"name": "openldap-devel",
"purl": "pkg:rpm/tuxcare/openldap-devel?distro=centos-6",
"ecosystem": "TuxCare:CentOS:6"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos6els/CLSA-2025-1758645818.json"
}
},
{
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],
"package": {
"name": "openldap-servers",
"purl": "pkg:rpm/tuxcare/openldap-servers?distro=centos-6",
"ecosystem": "TuxCare:CentOS:6"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos6els/CLSA-2025-1758645818.json"
}
},
{
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{
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],
"package": {
"name": "openldap-servers-sql",
"purl": "pkg:rpm/tuxcare/openldap-servers-sql?distro=centos-6",
"ecosystem": "TuxCare:CentOS:6"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos6els/CLSA-2025-1758645818.json"
}
}
],
"modified": "2026-10-21T10:47:48.199517577Z",
"provider": "osv",
"upstream": [
"CVE-2020-12243",
"CVE-2020-25692",
"CVE-2020-25709",
"CVE-2020-25710",
"CVE-2020-36221",
"CVE-2020-36222",
"CVE-2020-36223",
"CVE-2020-36224",
"CVE-2020-36225",
"CVE-2020-36226",
"CVE-2020-36227",
"CVE-2020-36228",
"CVE-2020-36229",
"CVE-2020-36230"
],
"references": [
"https://errata.tuxcare.com/els_os/centos6els/CLSA-2025-1758645818.html"
]
},
"related_cves": [
{
"value": "CVE-2020-12243",
"evidence": "/upstream"
},
{
"value": "CVE-2020-25692",
"evidence": "/upstream"
},
{
"value": "CVE-2020-25709",
"evidence": "/upstream"
},
{
"value": "CVE-2020-25710",
"evidence": "/upstream"
},
{
"value": "CVE-2020-36221",
"evidence": "/upstream"
},
{
"value": "CVE-2020-36222",
"evidence": "/upstream"
},
{
"value": "CVE-2020-36223",
"evidence": "/upstream"
},
{
"value": "CVE-2020-36224",
"evidence": "/upstream"
},
{
"value": "CVE-2020-36225",
"evidence": "/upstream"
},
{
"value": "CVE-2020-36226",
"evidence": "/upstream"
},
{
"value": "CVE-2020-36227",
"evidence": "/upstream"
},
{
"value": "CVE-2020-36228",
"evidence": "/upstream"
},
{
"value": "CVE-2020-36229",
"evidence": "/upstream"
},
{
"value": "CVE-2020-36230",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": null
},
"source_id": "core-osv",
"document_id": 392399,
"published_at": "2026-04-23T20:31:57+00:00"
}