CVE-2026-103885
Apache Directory LDAP API: Denial of service via crafted telephone number values
- State
- Published
- Severity
- 7.5 High
- Published
- Oct 2, 2026
- Updated
- Oct 8, 2026
- Reserved
- Oct 1, 2026
Description
Asymmetric Resource Consumption vulnerability in Apache Directory LDAP API.
A LDAP server using the LDAP API (like Apache DS) may consume 100% of a CPU core indefinitely when processing some badly crafted Telephone Numbers.
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 7.5 High | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H | CISA-ADP |
Weaknesses
- CWE-400 Uncontrolled Resource Consumption
Affected Products
| Product | Versions |
|---|---|
Apache Directory LDAP APIApache Software Foundation |
|
References
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