CVE-2004-0123

Double free vulnerability in the ASN.1 library as used in Windows NT 4.0, Windows 2000, Windows...

7.5 High

Double free vulnerability in the ASN.1 library as used in Windows NT 4.0, Windows 2000, Windows XP, and Windows Server 2003, allows remote attackers to cause a denial of service and possibly execute arbitrary code.

Exploit likelihood

29.7%Down 6.3 points since Feb 4, 2022

What each source reports

NVD Score used 7.5

Record: CVE-2004-0123
CVSS 2.0: 7.5 HighAV:N/AC:L/Au:N/C:P/I:P/A:P
Weakness: CWE-119
Updated: 2026-11-02

CVE List No score

Record: CVE-2004-0123
Updated: 2026-11-02

EUVDEUVD-2004-0123 No score

Record: EUVD-2004-0123
Updated: 2026-11-03

GitHub AdvisoriesGHSA-mp49-4xhv-78fw No score

Double free vulnerability in the ASN.1 library as used in Windows NT 4.0, Windows 2000, Windows...

Record: GHSA-mp49-4xhv-78fw
Weakness: CWE-119
Updated: 2026-11-02

Affected products

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2004-0123 is a high vulnerability (CVSS 7.5) in Microsoft Windows 2000, published April 16, 2004. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 29.7%, the 98th percentile. No source names a fixed version.

References

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