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.
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Solution
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Fri, 02 Oct 2026 11:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Weaknesses | CWE-400 |
Fri, 02 Oct 2026 10:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| 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. | |
| Title | Apache Directory LDAP API: Denial of service via crafted telephone number values | |
| References |
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MITRE
Status: PUBLISHED
Assigner: apache
Published:
Updated: 2026-10-02T10:09:51.901Z
Reserved: 2026-10-01T13:23:38.750Z
Link: CVE-2026-103885
Vulnrichment
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NVD
Status : Received
Published: 2026-10-02T10:17:06.833
Modified: 2026-10-02T10:17:06.833
Link: CVE-2026-103885
Redhat
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OpenCVE Enrichment
Updated: 2026-10-02T11:30:18Z