Posted by Emmanuel Lécharny on Oct 02 Severity: important Affected versions: - Apache Directory LDAP API 2.1.0 before 2.1.9 Description: Asymmetric Resource Consumption vulnerability in Apache Directory LDAP API. Storing a password using the bcrypt algorithm with a high force like 30 in a LDAP server that supports this algorithm will cause the server CPU to run for hours checking the credentials. A bounded cost should be enforced to avoid a server DOS.
CVE-2026-103880: Apache Directory LDAP API: Denial of service via excessive bcrypt cost factor in stored passwords
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