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Fencer Vulns
high 7.8

CVE-2009-1139 in the critical feed json

Memory leak in the LDAP service in Active Directory on Microsoft Windows 2000 SP4 and Server 2003 SP2, and Active Directory Application Mod…

published 2009-06-10 17 y ago modified 2026-06-16 4 mo ago also EUVD-2009-1140

cvss
7.8
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
39.1%
EPSS 39.1% chance of exploitation in 30 days, percentile 98%
public exploits
0
none known

Summary

Memory leak in the LDAP service in Active Directory on Microsoft Windows 2000 SP4 and Server 2003 SP2, and Active Directory Application Mode (ADAM) on Windows XP SP2 and SP3 and Server 2003 SP2, allows remote attackers to cause a denial of service (memory consumption and service outage) via (1) LDAP or (2) LDAPS requests with unspecified OID filters, aka "Active Directory Memory Leak Vulnerability."

Exploit prediction

39.13% chance of exploitation in the next 30 days, higher than 98% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 2.0 7.8 AV:N/AC:L/Au:N/C:N/I:N/A:C

Classification

Weakness
  • CWE-399 Resource Management Errors

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.