CVE-2009-2523

CRITICAL

10.0

CVSS Severity Score

EPSS Score0.1830%

EPSS Percentile26.40th

Published2009年11月11日

Last Modified2026年4月23日

Vulnerability Description

The License Logging Server (llssrv.exe) in Microsoft Windows 2000 SP4 allows remote attackers to execute arbitrary code via an RPC message containing a string without a null terminator, which triggers a heap-based buffer overflow in the LlsrLicenseRequestW method, aka "License Logging Server Heap Overflow Vulnerability."

Affected Platforms (CPE)

💻

Microsoft

Windows 2000

All versions

References & Advisories

🔗 http://www.us-cert.gov/cas/techalerts/TA09-314A.html

🔗 https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-064

🔗 https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6300