CVE-2004-0123

NONECVSS 0.0Elevated

0.0

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.

CVSS v3: —
EG Score: 0.0(none)
EPSS: 98.3%
KEV: Not listed

Published

June 1, 2004

Last Modified

April 16, 2026

References (18)

cve@mitrehttp://www.ciac.org/ciac/bulletins/o-114.shtml
cve@mitrehttp://www.kb.cert.org/vuls/id/255924
cve@mitrehttp://www.securityfocus.com/bid/10118
cve@mitrehttp://www.us-cert.gov/cas/techalerts/TA04-104A.html
cve@mitrehttps://docs.microsoft.com/en-us/security-updates/securitybulletins/2004/ms04-011
cve@mitrehttps://exchange.xforce.ibmcloud.com/vulnerabilities/15713
cve@mitrehttps://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1007
cve@mitrehttps://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1076
cve@mitrehttps://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A924
af854a3a-2127-422b-91ae-364da2661108http://www.ciac.org/ciac/bulletins/o-114.shtml
af854a3a-2127-422b-91ae-364da2661108http://www.kb.cert.org/vuls/id/255924
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/10118
af854a3a-2127-422b-91ae-364da2661108http://www.us-cert.gov/cas/techalerts/TA04-104A.html
af854a3a-2127-422b-91ae-364da2661108https://docs.microsoft.com/en-us/security-updates/securitybulletins/2004/ms04-011
af854a3a-2127-422b-91ae-364da2661108https://exchange.xforce.ibmcloud.com/vulnerabilities/15713

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-119Buffer Operations Within Bounds (Buffer Overflow)

Data Freshness Timeline

(refreshed 7× in last 7d / 37× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

2026-06-14 23:13 UTCEPSS rescore
2026-06-14 23:13 UTCEPSS rescore
2026-06-12 23:08 UTCEPSS rescore
2026-06-11 13:55 UTCEPSS rescore
2026-06-10 22:13 UTCEPSS rescore
2026-06-10 13:17 UTCEPSS rescore
2026-06-08 14:13 UTCEPSS rescore
2026-06-07 15:21 UTCEPSS rescore
2026-06-06 13:44 UTCEPSS rescore
2026-06-06 13:44 UTCEPSS rescore
2026-06-06 13:44 UTCEPSS rescore
2026-06-05 22:43 UTCEPSS rescore
2026-06-05 22:43 UTCEPSS rescore
2026-06-05 06:07 UTCEPSS rescore
2026-06-02 20:10 UTCEPSS rescore
2026-06-01 13:49 UTCEPSS rescore
2026-06-01 13:49 UTCEPSS rescore
2026-05-31 22:28 UTCEPSS rescore
2026-05-31 16:17 UTCEG score recompute
2026-05-31 16:17 UTCGHSA enrichment
2026-05-31 00:13 UTCEPSS rescore
2026-05-31 00:13 UTCEPSS rescore
2026-05-29 13:40 UTCEPSS rescore
2026-05-29 13:40 UTCEPSS rescore
2026-05-28 13:42 UTCEPSS rescore

Show 12 more

2026-05-28 13:42 UTCEPSS rescore
2026-05-28 13:42 UTCEPSS rescore
2026-05-27 13:37 UTCEPSS rescore
2026-05-26 13:41 UTCEPSS rescore
2026-05-26 13:41 UTCEPSS rescore
2026-05-24 16:42 UTCEPSS rescore
2026-05-22 21:15 UTCEPSS rescore
2026-05-20 22:36 UTCEPSS rescore
2026-05-20 11:20 UTCEPSS rescore
2026-05-20 11:20 UTCEPSS rescore
2026-05-18 21:29 UTCEPSS rescore
2026-05-18 21:29 UTCEPSS rescore

Frequently asked(4)

What is CVE-2004-0123?

CVE-2004-0123 is a none vulnerability published on June 1, 2004. 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.

When was CVE-2004-0123 disclosed?

CVE-2004-0123 was first published in the National Vulnerability Database on June 1, 2004, with the most recent update on April 16, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2004-0123 actively exploited?

CVE-2004-0123 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 98.3% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

How do I remediate CVE-2004-0123?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2004-0123, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2004-0123

📅 Published

🔄 Last Modified

🔗 References (18)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(4)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2004-0123?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (18)

Frequently asked(4)

Related CVEs(same CWE)