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CVE-2026-18651

Medium priority
Needs evaluation

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 locked,...

1 affected package

389-ds-base

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
389-ds-base Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2026-15722

Medium priority
Needs evaluation

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 stack buffer...

1 affected package

389-ds-base

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
389-ds-base Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2026-11770

Medium priority
Needs evaluation

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 against...

1 affected package

389-ds-base

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
389-ds-base Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2026-16560

Medium priority
Needs evaluation

A heap-buffer-overflow flaw was found in Directory Server (389-ds-base). When a DN contains a legacy-quoted value, the server won't close the heap allocation allowing another call to refer to the same memory pointer causing a...

1 affected package

389-ds-base

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
389-ds-base Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2026-15041

Medium priority
Needs evaluation

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 potentially...

1 affected package

389-ds-base

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
389-ds-base Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2026-14969

Medium priority
Needs evaluation

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 detect...

1 affected package

389-ds-base

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
389-ds-base Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2026-14940

Medium priority
Needs evaluation

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 (RDN), the...

1 affected package

389-ds-base

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
389-ds-base Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2026-11610

Medium priority
Needs evaluation

A heap buffer overflow flaw was found in the SASL I/O layer of 389 Directory Server (389-ds-base). After a successful SASL bind with integrity protection (SSF > 0), an authenticated attacker can send a specially crafted oversized...

1 affected package

389-ds-base

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
389-ds-base Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2026-11791

Medium priority
Needs evaluation

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 in the...

1 affected package

389-ds-base

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
389-ds-base Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2026-12528

Medium priority
Needs evaluation

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 parsing....

1 affected package

389-ds-base

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
389-ds-base Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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