python-ldap is a lightweight directory access protocol (LDAP) client API for Python. In versions prior to 3.4.5, ldap.dn.escape_dn_chars() escapes \x00 incorrectly by emitting a backslash followed by a literal NUL byte instead of the RFC-4514 hex form \00. Any application that uses this helper to construct DNs from untrusted input can be made to consistently fail before a request is sent to the LDAP server (e.g., AD), resulting in a client-side denial of service. Version 3.4.5 contains a patch for the issue.
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Tue, 14 Oct 2025 15:15:00 +0000
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Fri, 10 Oct 2025 22:15:00 +0000
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Description | python-ldap is a lightweight directory access protocol (LDAP) client API for Python. In versions prior to 3.4.5, ldap.dn.escape_dn_chars() escapes \x00 incorrectly by emitting a backslash followed by a literal NUL byte instead of the RFC-4514 hex form \00. Any application that uses this helper to construct DNs from untrusted input can be made to consistently fail before a request is sent to the LDAP server (e.g., AD), resulting in a client-side denial of service. Version 3.4.5 contains a patch for the issue. | |
Title | python-ldap Vulnerable to Improper Encoding or Escaping of Output and Improper Null Termination | |
Weaknesses | CWE-116 CWE-170 |
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cvssV4_0
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Status: PUBLISHED
Assigner: GitHub_M
Published: 2025-10-10T22:04:25.028Z
Updated: 2025-10-14T14:58:06.682Z
Reserved: 2025-10-03T22:21:59.614Z
Link: CVE-2025-61912

Updated: 2025-10-14T14:58:03.726Z

Status : Awaiting Analysis
Published: 2025-10-10T22:15:37.637
Modified: 2025-10-14T19:36:59.730
Link: CVE-2025-61912

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