Stack consumption vulnerability in the LDAP service in Active Directory on Microsoft Windows 2000 SP4, Server 2003 SP2, and Server 2008 Gold and SP2; Active Directory Application Mode (ADAM) on Windows XP SP2 and SP3 and Server 2003 SP2; and Active Directory Lightweight Directory Service (AD LDS) on Windows Server 2008 Gold and SP2 allows remote attackers to cause a denial of service (system hang) via a malformed (1) LDAP or (2) LDAPS request, aka "LSASS Recursive Stack Overflow Vulnerability."
Published Nov 11, 2009
7.8
HIGHCVSS 2.0
EPSS 30.02%
Description
Stack consumption vulnerability in the LDAP service in Active Directory on Microsoft Windows 2000 SP4, Server 2003 SP2, and Server 2008 Gold and SP2; Active Directory Application Mode (ADAM) on Windows XP SP2 and SP3 and Server 2003 SP2; and Active Directory Lightweight Directory Service (AD LDS) on Windows Server 2008 Gold and SP2 allows remote attackers to cause a denial of service (system hang) via a malformed (1) LDAP or (2) LDAPS request, aka "LSASS Recursive Stack Overflow Vulnerability."
Affected products
No data.
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No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:N/AC:L/Au:N/C:N/I:N/A:C
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 2, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (35 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 30.02% (0.30020) | 98.16th | v5 (v2026.06.15) |
| Jun 15, 2026 | 30.02% (0.30020) | 97.96th | v5 (v2026.06.15) |
| Apr 2, 2026 | 45.35% (0.45346) | 97.59th | v4 (v2025.03.14) |
| Dec 28, 2025 | 47.86% (0.47858) | 97.59th | v4 (v2025.03.14) |
| Dec 27, 2025 | 50.58% (0.50584) | 97.75th | v4 (v2025.03.14) |
| Oct 28, 2025 | 47.86% (0.47858) | 97.56th | v4 (v2025.03.14) |
| Oct 27, 2025 | 50.58% (0.50584) | 97.71th | v4 (v2025.03.14) |
| Oct 1, 2025 | 47.86% (0.47858) | 97.65th | v4 (v2025.03.14) |
| Jul 30, 2025 | 50.58% (0.50584) | 97.74th | v4 (v2025.03.14) |
| Mar 30, 2025 | 68.08% (0.68083) | 98.48th | v4 (v2025.03.14) |
| Mar 29, 2025 | 65.03% (0.65025) | 97.87th | v4 (v2025.03.14) |
| Mar 17, 2025 | 68.08% (0.68083) | 98.48th | v4 (v2025.03.14) |
| Mar 10, 2025 | 56.33% (0.56328) | 97.90th | v3 (v2023.03.01) |
| Dec 17, 2024 | 61.99% (0.61992) | 97.97th | v3 (v2023.03.01) |
| Oct 18, 2024 | 54.72% (0.54719) | 97.70th | v3 (v2023.03.01) |
| Sep 10, 2024 | 65.01% (0.65013) | 97.96th | v3 (v2023.03.01) |
| Jun 21, 2024 | 70.09% (0.70086) | 98.04th | v3 (v2023.03.01) |
| May 11, 2024 | 75.06% (0.75065) | 98.14th | v3 (v2023.03.01) |
| Mar 30, 2024 | 83.46% (0.83458) | 98.37th | v3 (v2023.03.01) |
| Dec 30, 2023 | 88.85% (0.88848) | 98.45th | v3 (v2023.03.01) |
| Nov 14, 2023 | 92.17% (0.92168) | 98.68th | v3 (v2023.03.01) |
| Sep 30, 2023 | 93.46% (0.93464) | 98.79th | v3 (v2023.03.01) |
| Aug 17, 2023 | 94.98% (0.94985) | 98.98th | v3 (v2023.03.01) |
| Jul 5, 2023 | 95.75% (0.95752) | 99.14th | v3 (v2023.03.01) |
| May 23, 2023 | 95.44% (0.95443) | 99.02th | v3 (v2023.03.01) |
| Apr 9, 2023 | 95.96% (0.95958) | 99.11th | v3 (v2023.03.01) |
| Mar 7, 2023 | 96.12% (0.96117) | 99.12th | v3 (v2023.03.01) |
| Mar 6, 2023 | 11.68% (0.11676) | 95.15th | v2 (v2022.01.01) |
| Feb 11, 2023 | 11.68% (0.11676) | 94.97th | v2 (v2022.01.01) |
| Oct 6, 2022 | 14.07% (0.14073) | 95.64th | v2 (v2022.01.01) |
| Jul 18, 2022 | 16.43% (0.16435) | 95.92th | v2 (v2022.01.01) |
| Jul 17, 2022 | 1.14% (0.01136) | 57.55th | v2 (v2022.01.01) |
| Apr 1, 2022 | 16.43% (0.16435) | 95.79th | v2 (v2022.01.01) |
| Mar 20, 2022 | 16.43% (0.16435) | 92.98th | v2 (v2022.01.01) |
| Feb 4, 2022 | 19.38% (0.19377) | 93.76th | v2 (v2022.01.01) |
References (3)
- http://www.us-cert.gov/cas/techalerts/TA09-314A.html third-party-advisoryx_refsource_CERTUS Government Resource
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-066 vendor-advisoryx_refsource_MS
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5890 vdb-entrysignaturex_refsource_OVAL
| Link | Providers | Tags |
|---|---|---|
| http://www.us-cert.gov/cas/techalerts/TA09-314A.html | third-party-advisoryx_refsource_CERTUS Government Resource | |
| https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-066 | vendor-advisoryx_refsource_MS | |
| https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5890 | vdb-entrysignaturex_refsource_OVAL |
Change history (0)
No recorded changes yet.