CVE-2003-0113

NONECVSS 0.0Weaponized

0.0

Buffer overflow in URLMON.DLL in Microsoft Internet Explorer 5.01, 5.5 and 6.0 allows remote attackers to execute arbitrary code via an HTTP response containing long values in (1) Content-type and (2) Content-encoding fields.

CVSS v3: —
EG Score: —
EPSS: 97.7%
KEV: Not listed

Published

May 12, 2003

Last Modified

April 16, 2026

References (10)

cve@mitrehttp://marc.info/?l=bugtraq&m=105138417416900&w=2
cve@mitrehttp://marc.info/?l=bugtraq&m=105718285107246&w=2
cve@mitrehttp://www.kb.cert.org/vuls/id/169753
cve@mitrehttps://docs.microsoft.com/en-us/security-updates/securitybulletins/2003/ms03-015
cve@mitrehttps://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A926
af854a3a-2127-422b-91ae-364da2661108http://marc.info/?l=bugtraq&m=105138417416900&w=2
af854a3a-2127-422b-91ae-364da2661108http://marc.info/?l=bugtraq&m=105718285107246&w=2
af854a3a-2127-422b-91ae-364da2661108http://www.kb.cert.org/vuls/id/169753
af854a3a-2127-422b-91ae-364da2661108https://docs.microsoft.com/en-us/security-updates/securitybulletins/2003/ms03-015
af854a3a-2127-422b-91ae-364da2661108https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A926

Data Freshness Timeline

(refreshed 5× in last 7d / 11× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-05-29 13:40 UTCepss_batch
2026-05-29 13:40 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-22 21:15 UTCepss_batch
2026-05-20 22:36 UTCepss_batch
2026-05-20 11:20 UTCepss_batch
2026-05-20 11:20 UTCepss_batch
2026-05-18 21:29 UTCepss_batch
2026-05-18 21:29 UTCepss_batch

Publicly available exploits

(1 reference)

Working exploit code is in the public domain (1 Exploit-DB entry). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

Exploit-DBEDB-22530✓ verified
First seen Apr 23, 2003
Microsoft Internet Explorer 5 - Remote 'URLMON.dll' Remote Buffer Overflow
Open source ↗

Frequently asked(4)

What is CVE-2003-0113?

CVE-2003-0113 is a none vulnerability published on May 12, 2003. Buffer overflow in URLMON.DLL in Microsoft Internet Explorer 5.01, 5.5 and 6.0 allows remote attackers to execute arbitrary code via an HTTP response containing long values in (1) Content-type and (2) Content-encoding fields.

When was CVE-2003-0113 disclosed?

CVE-2003-0113 was first published in the National Vulnerability Database on May 12, 2003, 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-2003-0113 actively exploited?

CVE-2003-0113 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 97.7% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

How do I remediate CVE-2003-0113?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2003-0113, 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-2003-0113

📅 Published

🔄 Last Modified

🔗 References (10)