Buffer overflow in Microsoft Windows 2000

CVE-2009-1923

Heap-based buffer overflow in the Windows Internet Name Service (WINS) component for Microsoft Windows 2000 SP4 and Server 2003 SP2 allows remote attackers to execute arbitrary code via a crafted WINS replication packet that triggers an incorrect buffer-length calculation, aka "WINS Heap Overflow Vulnerability."

Vulnerability class: Buffer Overflow

EPSS: 0.247 (97.7th percentile) — read the EPSS interpretation.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2009-1923?
CVE-2009-1923 is a vulnerability in Microsoft Windows 2000, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. Published 2009-08-12.
Is CVE-2009-1923 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.