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CVE-2004-0978

CRITICAL

10.0

CVSS Severity Score

EPSS Score0.0970%

EPSS Percentile15.67th

PublishedFeb 9, 2005

Last ModifiedApr 16, 2026

Vulnerability Description

Heap-based buffer overflow in the Hrtbeat.ocx (Heartbeat) ActiveX control for Internet Explorer 5.01 through 6, when users who visit online gaming sites that are associated with MSN, allows remote attackers to execute arbitrary code via the SetupData parameter.

Affected Platforms (CPE)

📦

Microsoft

Internet Explorer

= 5.01

📦

Microsoft

Internet Explorer

= 5.01

📦

Microsoft

Internet Explorer

= 5.5

📦

Microsoft

Internet Explorer

= 6

📦

Microsoft

Internet Explorer

= 6

References & Advisories

🔗 http://marc.info/?l=bugtraq&m=110616221411579&w=2

🔗 http://www.kb.cert.org/vuls/id/673134

🔗 http://www.ngssoftware.com/advisories/heartbeatfull.txt

🔗 http://www.securityfocus.com/bid/11367

🔗 https://docs.microsoft.com/en-us/security-updates/securitybulletins/2004/ms04-038

🔗 https://exchange.xforce.ibmcloud.com/vulnerabilities/17714

🔗 http://marc.info/?l=bugtraq&m=110616221411579&w=2

🔗 http://www.kb.cert.org/vuls/id/673134

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