CVE records

Every CVE as the CVE Program publishes it, refreshed every ten minutes, with NVD's analysis, CISA's known-exploited status and a healthcare tag. Subscribers get the CVEs that match their own systems on My program, by email as they are published. Where the data comes from: sources.

Updated under an hour ago (2026-10-19 08:40 UTC)

What this means for you

This week: 5,436 CVEs published, 355 critical, and 7 newly confirmed exploited. Add your stack to see whether any of them hit you.

Do this next

Start free and add your stack

Free account, 1 product

This week's critical CVEs

Exploited in the last 30 days

Published in the last 7 days: 5,436; Show in the list
Critical, last 7 days: 355; Show in the list
Healthcare-tagged, last 7 days: 4; Show in the list
Known exploited (CISA KEV): 1,747; Show in the list

Showing CVEs that name the product openldap:openldap. Show all products

19 CVEs, showing 1 to 19

CVE	Severity	Title	Published
CVE-2019-13057	Medium 4.9	An issue was discovered in the server in OpenLDAP before 2.4.48. Assigned by mitre	Jul 26, 2019
CVE-2019-13565	High 7.5	An issue was discovered in OpenLDAP 2.x before 2.4.48. Assigned by mitre	Jul 26, 2019
CVE-2020-12243	High 7.5	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). Assigned by mitre	Apr 28, 2020
CVE-2020-25692	High 7.5	A NULL pointer dereference was found in OpenLDAP server and was fixed in openldap 2.4.55, during a request for renaming RDNs. Assigned by redhat	Dec 8, 2020
CVE-2020-36223	High 7.5	A flaw was discovered in OpenLDAP before 2.4.57 leading to a slapd crash in the Values Return Filter control handling, resulting in denial of service (double free and out-of-bounds read). Assigned by mitre	Jan 25, 2021
CVE-2020-36227	High 7.5	A flaw was discovered in OpenLDAP before 2.4.57 leading to an infinite loop in slapd with the cancel_extop Cancel operation, resulting in denial of service. Assigned by mitre	Jan 25, 2021
CVE-2020-36230	High 7.5	A flaw was discovered in OpenLDAP before 2.4.57 leading in an assertion failure in slapd in the X.509 DN parsing in decode.c ber_next_element, resulting in denial of service. Assigned by mitre	Jan 25, 2021
CVE-2020-36229	High 7.5	A flaw was discovered in ldap_X509dn2bv in OpenLDAP before 2.4.57 leading to a slapd crash in the X.509 DN parsing in ad_keystring, resulting in denial of service. Assigned by mitre	Jan 25, 2021
CVE-2020-36228	High 7.5	An integer underflow was discovered in OpenLDAP before 2.4.57 leading to a slapd crash in the Certificate List Exact Assertion processing, resulting in denial of service. Assigned by mitre	Jan 25, 2021
CVE-2020-36226	High 7.5	A flaw was discovered in OpenLDAP before 2.4.57 leading to a memch->bv_len miscalculation and slapd crash in the saslAuthzTo processing, resulting in denial of service. Assigned by mitre	Jan 25, 2021
CVE-2020-36225	High 7.5	A flaw was discovered in OpenLDAP before 2.4.57 leading to a double free and slapd crash in the saslAuthzTo processing, resulting in denial of service. Assigned by mitre	Jan 25, 2021
CVE-2020-36224	High 7.5	A flaw was discovered in OpenLDAP before 2.4.57 leading to an invalid pointer free and slapd crash in the saslAuthzTo processing, resulting in denial of service. Assigned by mitre	Jan 25, 2021
CVE-2020-36222	High 7.5	A flaw was discovered in OpenLDAP before 2.4.57 leading to an assertion failure in slapd in the saslAuthzTo validation, resulting in denial of service. Assigned by mitre	Jan 25, 2021
CVE-2020-36221	High 7.5	An integer underflow was discovered in OpenLDAP before 2.4.57 leading to slapd crashes in the Certificate Exact Assertion processing, resulting in denial of service (schema_init.c serialNumberAndIssu… Assigned by mitre	Jan 25, 2021
CVE-2021-27212	High 7.5	In OpenLDAP through 2.4.57 and 2.5.x through 2.5.1alpha, an assertion failure in slapd can occur in the issuerAndThisUpdateCheck function via a crafted packet, resulting in a denial of service (daemo… Assigned by mitre	Feb 14, 2021
CVE-2020-25709	High 7.5	A flaw was found in OpenLDAP. Assigned by redhat	May 18, 2021
CVE-2020-25710	High 7.5	A flaw was found in OpenLDAP in versions before 2.4.56. Assigned by redhat	May 28, 2021
CVE-2022-29155	Critical 9.8	In OpenLDAP 2.x before 2.5.12 and 2.6.x before 2.6.2, a SQL injection vulnerability exists in the experimental back-sql backend to slapd, via a SQL statement within an LDAP query. Assigned by mitre	May 4, 2022
CVE-2023-2953	High 7.5	A vulnerability was found in openldap. Assigned by redhat	May 30, 2023

CVSS is the assigning CNA's score where it gives one, otherwise NVD's. The healthcare tag is a documented heuristic (a list of clinical and health IT vendors, and clinical terms in the description), not a classification. The CVE record is authoritative.