CVE-2009-1139
Memory leak in the LDAP service in Active Directory on Microsoft Windows 2000 SP4 and Server 2003 SP2, and Active Directory Application…
- 7.8HighCVSS base score
- 39.1%Exploitation in 30 daysEPSS · top 1.4% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
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."
Timeline
ID reserved
By microsoft
- 3 months later
· 3 months later
Published
- 15 years later
· 15 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | High7.8 | AV:N/AC:L/Au:N/C:N/I:N/A:C |
- EPSS (exploitation in 30 days)
- 39.1% · top 1.4% of all CVEs (12 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.8.
Affected products
n/a
- affected n/a
References
References9
- 54938 (opens in a new tab)vdb-entryx_refsource_OSVDBx_transferred
- MS09-018 (opens in a new tab)vendor-advisoryx_refsource_MSx_transferred
- http://support.avaya.com/elmodocs2/security/ASA-2009-214.htm (opens in a new tab)x_refsource_CONFIRMx_transferred
- 1022349 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- ADV-2009-1537 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
- TA09-160A (opens in a new tab)third-party-advisoryx_refsource_CERTx_transferred
- oval:org.mitre.oval:def:6253 (opens in a new tab)vdb-entrysignaturex_refsource_OVALx_transferred
- 35225 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- 35355 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2009-1140 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2009-1139)Record last updated .