In filter.c in slapd in OpenLDAP before 2.4.50, LDAP search filters with nested boolean expressions can result in denial of service (daemon crash).
Metrics
Affected Vendors & Products
Advisories
| Source | ID | Title |
|---|---|---|
Debian DLA |
DLA-2199-1 | openldap security update |
Debian DSA |
DSA-4666-1 | openldap security update |
EUVD |
EUVD-2020-4558 | In filter.c in slapd in OpenLDAP before 2.4.50, LDAP search filters with nested boolean expressions can result in denial of service (daemon crash). |
Ubuntu USN |
USN-4352-1 | OpenLDAP vulnerability |
Ubuntu USN |
USN-4352-2 | OpenLDAP vulnerability |
Fixes
Solution
No solution given by the vendor.
Workaround
No workaround given by the vendor.
References
History
Wed, 14 Oct 2026 10:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| References |
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Projects
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Status: PUBLISHED
Assigner: mitre
Published:
Updated: 2026-10-14T09:06:54.182Z
Reserved: 2020-04-24T00:00:00.000Z
Link: CVE-2020-12243
No data.
Status : Modified
Published: 2020-04-28T19:15:12.267
Modified: 2026-10-14T10:17:25.933
Link: CVE-2020-12243
OpenCVE Enrichment
No data.
Debian DLA
Debian DSA
EUVD
Ubuntu USN