https://patchthecve.com/CVEs with upgrade or downgrade fix stepshttps://patchthecve.com/cve/CVE-2026-22185.htmlhttps://patchthecve.com/cve/CVE-2026-22185.htmlThu, 29 Oct 2026 21:17:22 +0000MEDIUM 4.6: OpenLDAP Lightning Memory-Mapped Database (LMDB) versions 0.9.14 before 0.9.34, prior to commit 8e1fda8, contain a heap buffer underflow in the readline() function of mdb_load. When processing malformed input containing an embedded NUL byte, an unsigned offset calculation can underflow and cause an https://patchthecve.com/cve/CVE-2024-10127.htmlhttps://patchthecve.com/cve/CVE-2024-10127.htmlWed, 17 Jun 2026 06:54:58 +0000CRITICAL 9.8: Authentication bypass condition in LDAP authentication in M-Files server versions before 24.11 supported usage of OpenLDAP configurations that allowed user authentication without a password when the LDAP server itself had the vulnerable configuration.https://patchthecve.com/cve/CVE-2023-2953.htmlhttps://patchthecve.com/cve/CVE-2023-2953.htmlWed, 14 Oct 2026 21:17:15 +0000HIGH 7.5: A vulnerability was found in openldap. This security flaw causes a null pointer dereference in ber_memalloc_x() function.https://patchthecve.com/cve/CVE-2023-23749.htmlhttps://patchthecve.com/cve/CVE-2023-23749.htmlWed, 17 Jun 2026 05:37:50 +0000HIGH 7.5: The 'LDAP Integration with Active Directory and OpenLDAP - NTLM & Kerberos Login' extension is vulnerable to LDAP Injection since is not properly sanitizing the 'username' POST parameter. An attacker can manipulate this paramter to dump arbitrary contents form the LDAP Database.https://patchthecve.com/cve/CVE-2022-22576.htmlhttps://patchthecve.com/cve/CVE-2022-22576.htmlWed, 14 Oct 2026 16:17:25 +0000HIGH 8.1: An improper authentication vulnerability exists in curl 7.33.0 to and including 7.82.0 which might allow reuse OAUTH2-authenticated connections without properly making sure that the connection was authenticated with the same credentials as set for this transfer. This affects SASL-enabled protocols: https://patchthecve.com/cve/CVE-2022-29155.htmlhttps://patchthecve.com/cve/CVE-2022-29155.htmlWed, 14 Oct 2026 17:17:38 +0000CRITICAL 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. This can occur during an LDAP search operation when the search filter is processed, due to a lack of proper escaping.https://patchthecve.com/cve/CVE-2020-25710.htmlhttps://patchthecve.com/cve/CVE-2020-25710.htmlWed, 14 Oct 2026 10:17:33 +0000HIGH 7.5: A flaw was found in OpenLDAP in versions before 2.4.56. This flaw allows an attacker who sends a malicious packet processed by OpenLDAP to force a failed assertion in csnNormalize23(). The highest threat from this vulnerability is to system availability.https://patchthecve.com/cve/CVE-2020-25709.htmlhttps://patchthecve.com/cve/CVE-2020-25709.htmlWed, 14 Oct 2026 10:17:33 +0000HIGH 7.5: A flaw was found in OpenLDAP. This flaw allows an attacker who can send a malicious packet to be processed by OpenLDAP’s slapd server, to trigger an assertion failure. The highest threat from this vulnerability is to system availability.https://patchthecve.com/cve/CVE-2021-27212.htmlhttps://patchthecve.com/cve/CVE-2021-27212.htmlWed, 14 Oct 2026 12:17:09 +0000HIGH 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 (daemon exit) via a short timestamp. This is related to schema_init.c and checkTime.https://patchthecve.com/cve/CVE-2020-36230.htmlhttps://patchthecve.com/cve/CVE-2020-36230.htmlWed, 14 Oct 2026 10:17:37 +0000HIGH 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.https://patchthecve.com/cve/CVE-2020-36229.htmlhttps://patchthecve.com/cve/CVE-2020-36229.htmlWed, 14 Oct 2026 10:17:37 +0000HIGH 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.https://patchthecve.com/cve/CVE-2020-36228.htmlhttps://patchthecve.com/cve/CVE-2020-36228.htmlWed, 14 Oct 2026 10:17:37 +0000HIGH 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.https://patchthecve.com/cve/CVE-2020-36227.htmlhttps://patchthecve.com/cve/CVE-2020-36227.htmlWed, 14 Oct 2026 10:17:37 +0000HIGH 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.https://patchthecve.com/cve/CVE-2020-36226.htmlhttps://patchthecve.com/cve/CVE-2020-36226.htmlWed, 14 Oct 2026 10:17:36 +0000HIGH 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.https://patchthecve.com/cve/CVE-2020-36225.htmlhttps://patchthecve.com/cve/CVE-2020-36225.htmlWed, 14 Oct 2026 10:17:36 +0000HIGH 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.https://patchthecve.com/cve/CVE-2020-36224.htmlhttps://patchthecve.com/cve/CVE-2020-36224.htmlWed, 14 Oct 2026 10:17:36 +0000HIGH 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.https://patchthecve.com/cve/CVE-2020-36223.htmlhttps://patchthecve.com/cve/CVE-2020-36223.htmlWed, 14 Oct 2026 10:17:36 +0000HIGH 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).https://patchthecve.com/cve/CVE-2020-36222.htmlhttps://patchthecve.com/cve/CVE-2020-36222.htmlWed, 14 Oct 2026 10:17:35 +0000HIGH 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.https://patchthecve.com/cve/CVE-2020-36221.htmlhttps://patchthecve.com/cve/CVE-2020-36221.htmlWed, 14 Oct 2026 10:17:35 +0000HIGH 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 serialNumberAndIssuerCheck).https://patchthecve.com/cve/CVE-2020-25692.htmlhttps://patchthecve.com/cve/CVE-2020-25692.htmlWed, 14 Oct 2026 10:17:33 +0000HIGH 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. An unauthenticated attacker could remotely crash the slapd process by sending a specially crafted request, causing a Denial of Service.https://patchthecve.com/cve/CVE-2019-20902.htmlhttps://patchthecve.com/cve/CVE-2019-20902.htmlWed, 17 Jun 2026 02:31:24 +0000HIGH 7.5: Upgrading Crowd via XML Data Transfer can reactivate a disabled user from OpenLDAP. The affected versions are from before version 3.4.6 and from 3.5.0 before 3.5.1.https://patchthecve.com/cve/CVE-2020-15719.htmlhttps://patchthecve.com/cve/CVE-2020-15719.htmlWed, 17 Jun 2026 02:57:07 +0000MEDIUM 4.2: libldap in certain third-party OpenLDAP packages has a certificate-validation flaw when the third-party package is asserting RFC6125 support. It considers CN even when there is a non-matching subjectAltName (SAN). This is fixed in, for example, openldap-2.4.46-10.el8 in Red Hat Enterprise Linux.https://patchthecve.com/cve/CVE-2020-12243.htmlhttps://patchthecve.com/cve/CVE-2020-12243.htmlWed, 14 Oct 2026 10:17:25 +0000HIGH 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).