Unrated severityNVD Advisory· Published Sep 20, 2001· Updated Jun 16, 2026

CVE-2001-0546

Description

Memory leak in H.323 Gatekeeper Service in Microsoft Internet Security and Acceleration (ISA) Server 2000 allows remote attackers to cause a denial of service (resource exhaustion) via a large amount of malformed H.323 data.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Microsoft/Isa Server
cpe:2.3:a:microsoft:isa_server:2000:*:*:*:*:*:*:*
Microsoft/Internet Security And Acceleration Serverllm-fuzzy

Patches

Vulnerability mechanics

References

www.securityfocus.com/bid/3196nvd
docs.microsoft.com/en-us/security-updates/securitybulletins/2001/ms01-045nvd
exchange.xforce.ibmcloud.com/vulnerabilities/6989nvd

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