彙總 OpenLDAP 相關全部產品的 CVE 與安全漏洞情報，包括 CVSS、EPSS、公開時間與漏洞情報資料。
已披露問題常與 記憶體損壞、SQL 注入與路徑處理缺陷 相關，可能在 軟體部署與生產負載 場景中帶來 記憶體損壞與應用程式崩潰 等暴露風險。
相關漏洞資料主要來源於公開漏洞披露與安全公告，可用於評估歷史漏洞暴露面與修補優先順序。
| CVE | 摘要 | 來源 | 最高 CVSS | EPSS % | 公開時間 | 更新時間 |
|---|---|---|---|---|---|---|
| CVE-2023-2953 | A vulnerability was found in openldap. This security flaw causes a null pointer dereference in ber_memalloc_x() function. | [email protected] | 7.5 | 1.42% | 2023-05-30 | 2025-01-10 |
| CVE-2022-29155 | 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. | [email protected] | 9.8 | 13.61% | 2022-05-04 | 2024-11-21 |
| CVE-2020-25710 | 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. | [email protected] | 7.5 | 17.46% | 2021-05-28 | 2024-11-21 |
| CVE-2020-25709 | 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. | [email protected] | 7.5 | 35.68% | 2021-05-18 | 2024-11-21 |
| CVE-2021-27212 | 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. | [email protected] | 7.5 | 25.11% | 2021-02-14 | 2024-11-21 |
| CVE-2020-36230 | 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. | [email protected] | 7.5 | 3.55% | 2021-01-26 | 2024-11-21 |
| CVE-2020-36229 | 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. | [email protected] | 7.5 | 4.95% | 2021-01-26 | 2024-11-21 |
| CVE-2020-36228 | 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. | [email protected] | 7.5 | 71.52% | 2021-01-26 | 2024-11-21 |
| CVE-2020-36227 | 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. | [email protected] | 7.5 | 63.63% | 2021-01-26 | 2024-11-21 |
| CVE-2020-36226 | 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. | [email protected] | 7.5 | 1.07% | 2021-01-26 | 2024-11-21 |
| CVE-2020-36225 | 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. | [email protected] | 7.5 | 1.45% | 2021-01-26 | 2024-11-21 |
| CVE-2020-36224 | 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. | [email protected] | 7.5 | 1.45% | 2021-01-26 | 2024-11-21 |
| CVE-2020-36223 | 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). | [email protected] | 7.5 | 10.57% | 2021-01-26 | 2024-11-21 |
| CVE-2020-36222 | 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. | [email protected] | 7.5 | 46.07% | 2021-01-26 | 2024-11-21 |
| CVE-2020-36221 | 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). | [email protected] | 7.5 | 66.20% | 2021-01-26 | 2024-11-21 |
| CVE-2020-25692 | 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. | [email protected] | 7.5 | 4.75% | 2020-12-08 | 2024-11-21 |
| CVE-2020-15719 | 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. | [email protected] | 4.2 | 0.22% | 2020-07-14 | 2024-11-21 |
| CVE-2020-12243 | 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). | [email protected] | 7.5 | 11.88% | 2020-04-28 | 2024-11-21 |
| CVE-2014-8182 | An off-by-one error leading to a crash was discovered in openldap 2.4 when processing DNS SRV messages. If slapd was configured to use the dnssrv backend, an attacker could crash the service with crafted DNS responses. | [email protected] | 7.5 | 5.12% | 2020-01-02 | 2024-11-21 |
| CVE-2019-13565 | An issue was discovered in OpenLDAP 2.x before 2.4.48. When using SASL authentication and session encryption, and relying on the SASL security layers in slapd access controls, it is possible to obtain access that would otherwise be denied via a simple bind for any identity covered in those ACLs. After the first SASL bind is completed, the sasl_ssf value is retained for all new non-SASL connections. Depending on the ACL configuration, this can affect different types of operations (searches, modif | [email protected] | 7.5 | 4.19% | 2019-07-26 | 2024-11-21 |