{"id":"CVE-2004-0978","aliases":["EUVD-2004-0976","GHSA-h49w-j46g-48x6"],"status":"published","title":"Heap-based buffer overflow in the Hrtbeat.ocx (Heartbeat) ActiveX control for Internet Explorer 5...","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.","severity":{"version":"2.0","score":10,"vector":"AV:N/AC:L/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.38312,"percentile":0.98575,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-787"],"published":"2004-10-21T04:00:00Z","modified":"2026-06-16T22:06:46Z","products":[{"vendor":"microsoft","product":"internet_explorer"}],"references":[{"url":"http://marc.info/?l=bugtraq\u0026m=110616221411579\u0026w=2","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred","Issue Tracking","Third Party Advisory"]},{"url":"http://www.kb.cert.org/vuls/id/673134","tags":["third-party-advisory","x_refsource_CERT-VN","x_transferred","Third Party Advisory","US Government Resource"]},{"url":"https://docs.microsoft.com/en-us/security-updates/securitybulletins/2004/ms04-038","tags":["vendor-advisory","x_refsource_MS","x_transferred","Patch","Vendor Advisory"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/17714","tags":["vdb-entry","x_refsource_XF","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"http://www.securityfocus.com/bid/11367","tags":["vdb-entry","x_refsource_BID","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"http://www.ngssoftware.com/advisories/heartbeatfull.txt","tags":["x_refsource_MISC","x_transferred","Broken Link"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2004-0978"},{"url":"https://github.com/advisories/GHSA-h49w-j46g-48x6"}],"sources":{"cve":[{"id":"CVE-2004-0978","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.","status":"published","published":"2004-10-21T04:00:00Z","modified":"2024-08-08T00:39:00.395Z","updated_at":"2026-11-02T14:34:54.758165Z"}],"euvd":[{"id":"EUVD-2004-0976","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.","status":"published","published":"2004-10-21T04:00:00Z","modified":"2024-08-08T00:39:00Z","updated_at":"2026-11-03T01:15:16.711153Z"}],"ghsa":[{"id":"GHSA-h49w-j46g-48x6","title":"Heap-based buffer overflow in the Hrtbeat.ocx (Heartbeat) ActiveX control for Internet Explorer 5...","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.","status":"published","published":"2022-04-29T02:58:44Z","modified":"2023-01-30T05:03:16Z","cwes":["CWE-787"],"updated_at":"2026-11-02T14:46:47.986344Z"}],"nvd":[{"id":"CVE-2004-0978","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.","status":"published","published":"2005-02-09T05:00:00Z","modified":"2026-06-16T22:06:46.91Z","cvss":[{"version":"2.0","score":10,"vector":"AV:N/AC:L/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:00:53.662124Z"}]}}