Advisoriesby IbisApache Software FoundationCVE-2026-103880
Asymmetric Resource Consumption vulnerability in Apache Directory LDAP API
High7.5CVE-2026-103880 · Published Oct 2, 2026 · updated Oct 5, 2026
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. This issue affects Apache Directory LDAP API: from 2.1.0 before 2.1.9. Users are recommended to upgrade to version 2.1.9, which fixes the issue.
Affected versions
| Package | Affected | Fixed in |
|---|---|---|
| Apache Directory LDAP API Product | >= 2.1.0, < 2.1.9 | 2.1.9 |
Details and references
- CVSS 3.1
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Severity from
- CISA (its enrichment of the CVE record)
- Weakness
- CWE-405
More Apache Software Foundation advisories
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|---|---|---|---|
| Oct 2 | Apache Thrift: resource exhaustion | High8.2 | 0.25.0 |
| Oct 2 | Apache Thrift: resource exhaustion | High8.2 | 0.25.0 |
| Oct 2 | Apache Thrift: resource exhaustion | High8.2 | 0.25.0 |
| Oct 2 | Apache Thrift: infinite loop | High8.2 | 0.25.0 |
| Oct 2 | Apache Thrift: infinite loop | High8.2 | 0.25.0 |
| Oct 2 | Apache Thrift: integer overflow | Critical9.2 | 0.25.0 |