CVE-2009-2523

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."

• CWE-125
• CWE-787

• http://www.us-cert.gov/cas/techalerts/TA09-314A.htmlThird Party Advisory, US Government Resource
• https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-064Mitigation, Patch, Vendor Advisory
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6300Broken Link
• http://www.us-cert.gov/cas/techalerts/TA09-314A.htmlThird Party Advisory, US Government Resource
• https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-064Mitigation, Patch, Vendor Advisory
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6300Broken Link

Published

Nov 11, 2009

Last Modified

Jun 16, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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