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CVE-2026-103885 Asymmetric Resource Consumption vulnerability in Apache Directory LDAP API
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.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Apache Directory LDAP API 2.1 | 2.1.0 → < 2.1.9 | 2.1.9 |
Other CVEs of Apache Directory LDAP API
The 7 CVEs of Apache Directory LDAP API →
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CVE-2026-103878
Cleartext transmission of sensitive information vulnerability in Apache Directory LDAP API
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CVE-2026-103552
Stack Overflow vulnerability in Apache Directory LDAP API
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