CVE-2026-103885

UNKNOWN 0.0

Apache Directory LDAP API: Denial of service via crafted telephone number values

CVSS Score

0.0

EPSS Score

0.0%

EPSS Percentile

0th

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.

Vendor	apache software foundation
Product	apache directory ldap api
Published	Oct 2, 2026

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Affected Versions

Apache Software Foundation / Apache Directory LDAP API

2.1.0 < 2.1.9

References

NVD ↗ CVE.org ↗ EPSS Data ↗

lists.apache.org: https://lists.apache.org/thread.html/wjt9p1l123v6b3zd5dg41f8lfrgy5vg9

Credits

Claude Security The Apache Software Foundation