Summary
It was discovered that Python LDAP incorrectly handled special characters
in the special character filtering function. A remote attacker could
possibly use this issue to perform LDAP injection attacks.
(CVE-2025-61911)
Arad Inbar discovered that Python LDAP incorrectly escaped NUL character
bytes. An attacker could possibly use this issue to cause a denial of
service. (CVE-2025-61912)
Fixed packages 6
| Release | Package | Fixed in |
|---|---|---|
| Ubuntu · 22.04 LTS 22.04:LTS | python-ldap | 3.2.0-4ubuntu7.2 |
| Ubuntu · 24.04 LTS 24.04:LTS | python-ldap | 3.4.4-1ubuntu0.24.04.1 |
| Ubuntu · 25.10 | python-ldap | 3.4.4-1ubuntu0.25.10.1 |
| Ubuntu · Pro 16.04 LTS Pro:16.04:LTS | python-ldap | 2.4.22-0.1ubuntu0.1~esm1 |
| Ubuntu · Pro 18.04 LTS Pro:18.04:LTS | python-ldap | 3.0.0-1ubuntu0.2+esm1 |
| Ubuntu · Pro 20.04 LTS Pro:20.04:LTS | python-ldap | 3.2.0-4ubuntu2.1+esm1 |
Vulnerabilities 2
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Medium 5.5
python-ldap has sanitization bypass in ldap.filter.escape_filter_chars
python-ldap is a lightweight directory access protocol (LDAP) client API for Python. In versions prior to 3.4.5, the sanitization method `ldap.filter.escape_filter_chars` can be tricked to skip escaping of special characters when a crafted `list` or `dict` is…
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Medium 5.5
python-ldap Vulnerable to Improper Encoding or Escaping of Output and Improper Null Termination
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. An…