Patch Forecast
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CVE-2026-103885

Asymmetric Resource Consumption vulnerability in Apache Directory LDAP API. A LDAP server using…

Risk score
58/100
CVSS
7.5 v3.1
Exploit chance (30 days)
0.5%
Published
2 Oct 2026

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What to know

What it is
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…
Affected
See advisory
Fix
Upgrade the product to 2.1.9 or later.
Exploitation
No known exploitation

Why it is Yellow

  • CVSS 7.5 high
  • Remotely exploitable without logging in

References

Original 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.

Last activity 2 Oct 2026. Patch Forecast updates every hour.