Redhat
Redhat 389 Directory Server: vulnerabilities and CVEs
Redhat 389 Directory Server has 25 published vulnerabilities, 17 of them in the last 12 months. 0 are rated critical and 0 are listed by CISA as actively exploited.
CVEs25
Last 12 months17
Critical0
Actively exploited0
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Latest vulnerabilities
| CVE | Severity | EPSS | Active exploitation | Published | Description |
|---|---|---|---|---|---|
| CVE-2026-18651 | Medium (5.4) | 0.28% | — | Aug 3, 2026 | A flaw was found in 389 Directory Server. During SASL PLAIN authentication, the server installs connection-level bind credentials before performing the account-lock check. If the account is subsequently found to be… |
| CVE-2026-15722 | High (7.5) | 0.83% | — | Jul 31, 2026 | A stack buffer overflow flaw was found in 389 Directory Server (389-ds-base). The get_ruvelement_from_berval() function in repl5_ruv.c copies digit characters from a network-supplied RUV berval into a fixed 16-byte… |
| CVE-2026-11770 | High (7.5) | 0.53% | — | Jul 31, 2026 | A flaw was found in 389 Directory Server. An unauthenticated remote attacker can inject LDAP search filters into the CleanAllRUV replication status-check extended operation. Because the handler performs the search… |
| CVE-2026-15041 | Low (3.7) | 0.36% | — | Jul 8, 2026 | A flaw was found in 389 Directory Server. The PBKDF2-SHA256 password verification function uses standard memcmp() for comparing password hashes instead of a constant-time comparison function. A remote attacker could… |
| CVE-2026-14969 | Medium (4.4) | 0.11% | — | Jul 7, 2026 | A flaw was found in 389-ds-base where the LDBM backend attribute encryption uses a hardcoded static initialization vector for AES-CBC and 3DES-CBC operations, allowing an attacker with privileged filesystem access to… |
| CVE-2026-14940 | Medium (5.3) | 0.49% | — | Jul 7, 2026 | A heap-buffer-overflow flaw was found in 389 Directory Server (389-ds-base). When normalizing a Distinguished Name (DN) that contains a legacy-quoted value encoding a multivalued nested Relative Distinguished Name… |
| CVE-2026-11791 | Medium (5) | 0.35% | — | Jun 18, 2026 | A flaw was found in 389 Directory Server. During schema reload, the attr_syntax_swap_ht() function unconditionally frees attribute syntax information nodes, bypassing the refcount-based deferred deletion used elsewhere… |
| CVE-2026-12528 | Medium (5.4) | 0.23% | — | Jun 17, 2026 | A flaw was found in 389 Directory Server in the __aclp__normalize_acltxt() function of aclparse.c. A malformed ACI (Access Control Instruction) string can trigger heap-buffer-overflow writes and reads during ACI… |
| CVE-2026-11793 | Medium (4.9) | 0.28% | — | Jun 9, 2026 | A stack buffer overflow flaw was found in 389 Directory Server. The checkPrefix() function in pw.c copies an attacker-controlled algorithm ID into a 256-byte stack buffer without bounds checking when parsing… |
| CVE-2026-11790 | Medium (4.9) | 0.29% | — | Jun 9, 2026 | A flaw was found in 389 Directory Server. The PBKDF2-SHA256 password storage plugin does not enforce an upper bound on the iteration count extracted from stored password hashes. A privileged attacker who can modify a… |
| CVE-2026-11789 | Medium (6.5) | 0.28% | — | Jun 9, 2026 | A flaw was found in 389 Directory Server. The SMD5 password storage plugin performs unsigned integer underflow when computing salt length from a crafted password hash shorter than 16 bytes, causing a buffer over-read… |
| CVE-2026-11788 | High (7.5) | 0.56% | — | Jun 9, 2026 | A flaw was found in 389 Directory Server. The dereference control plugin does not check for allocation failure before using a BER structure, allowing an unauthenticated remote attacker to crash the LDAP server when the… |
| CVE-2026-11787 | Medium (6.3) | 0.18% | — | Jun 9, 2026 | A flaw was found in 389 Directory Server. The ldap_utf8prev() function reads bytes before the start of a buffer without bounds checking, causing a heap buffer over-read in string filter parsing that may influence… |
| CVE-2026-11786 | Medium (6.5) | 0.16% | — | Jun 9, 2026 | A flaw was found in 389 Directory Server. The LDIF parser reads past the end of a heap buffer when processing attribute types with trailing semicolons during database import, causing an out-of-bounds read detectable… |
| CVE-2026-11785 | Medium (4.3) | 0.18% | — | Jun 9, 2026 | A flaw was found in 389 Directory Server. A type confusion in the SSO token extended operation handler causes partial stack address information to be disclosed in LDAP responses to authenticated users. |
| CVE-2026-11611 | Medium (6.5) | 0.24% | — | Jun 8, 2026 | A flaw was found in 389 Directory Server. The Content Synchronization persistent search plugin allows unbounded memory growth when an authenticated client stops reading sync responses, enabling denial of service.… |
| CVE-2026-9064 | High (7.5) | 1.1% | — | May 20, 2026 | A flaw was found in 389-ds-base. The get_ldapmessage_controls_ext() function in the LDAP server does not enforce an upper bound on the number of controls per LDAP message. A remote, unauthenticated attacker can send a… |
| CVE-2024-6237 | Medium (6.5) | 0.92% | — | Jul 9, 2024 | A flaw was found in the 389 Directory Server. This flaw allows an unauthenticated user to cause a systematic server crash while sending a specific extended search request, leading to a denial of service. |
| CVE-2024-1062 | Medium (5.5) | 0.31% | — | Feb 12, 2024 | A heap overflow flaw was found in 389-ds-base. This issue leads to a denial of service when writing a value larger than 256 chars in log_entry_attr. |
| CVE-2022-1949 | High (7.5) | 1.5% | — | Jun 2, 2022 | An access control bypass vulnerability found in 389-ds-base. That mishandling of the filter that would yield incorrect results, but as that has progressed, can be determined that it actually is an access control bypass.… |
| CVE-2022-0996 | Medium (6.5) | 1.5% | — | Mar 23, 2022 | A vulnerability was found in the 389 Directory Server that allows expired passwords to access the database to cause improper authentication. |
| CVE-2021-3514 | Medium (6.5) | 1.2% | — | May 28, 2021 | When using a sync_repl client in 389-ds-base, an authenticated attacker can cause a NULL pointer dereference using a specially crafted query, causing a crash. |
| CVE-2020-35518 | Medium (5.3) | 1.5% | — | Mar 26, 2021 | When binding against a DN during authentication, the reply from 389-ds-base will be different whether the DN exists or not. This can be used by an unauthenticated attacker to check the existence of an entry in the LDAP… |
| CVE-2010-2222 | High (7.5) | 1.3% | — | Nov 5, 2019 | The _ger_parse_control function in Red Hat Directory Server 8 and the 389 Directory Server allows attackers to cause a denial of service (NULL pointer dereference) via a crafted search query. |
| CVE-2018-10935 | Medium (6.5) | 1.8% | — | Sep 11, 2018 | A flaw was found in the 389 Directory Server that allows users to cause a crash in the LDAP server using ldapsearch with server side sort. |
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