What’s Vulnerable › Vulnerabilities

CVE-2004-0123

• Severity: high (CVSS 7.5 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 29.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2004-04-16 · updated 2026-06-16
• Weakness: CWE-119

Description

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.

Affected products

• Microsoft Windows 2000: all versions
• Microsoft Windows 2003 Server: r2
• Microsoft Windows 98: all versions
• Microsoft Windows 98Se: all versions
• Microsoft Windows Me: all versions
• Microsoft Windows Nt: 4.0
• Microsoft Windows XP Service Pack 3: all versions

References

• http://www.ciac.org/ciac/bulletins/o-114.shtml
• http://www.kb.cert.org/vuls/id/255924
• http://www.securityfocus.com/bid/10118
• http://www.us-cert.gov/cas/techalerts/TA04-104A.html
• https://docs.microsoft.com/en-us/security-updates/securitybulletins/2004/ms04-011
• https://exchange.xforce.ibmcloud.com/vulnerabilities/15713
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1007
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1076
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A924
• http://www.ciac.org/ciac/bulletins/o-114.shtml
• http://www.kb.cert.org/vuls/id/255924
• http://www.securityfocus.com/bid/10118

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