CVE-2003-0421

NONECVSS 0.0

0.0

Apple QuickTime / Darwin Streaming Server before 4.1.3f allows remote attackers to cause a denial of service (crash) via an MS-DOS device name (e.g. AUX) in a request to HTTP port 1220, a different vulnerability than CVE-2003-0502.

CVSS v3: —
EG Score: —
EPSS: 81.5%
KEV: Not listed

Published

August 27, 2003

Last Modified

April 16, 2026

References (4)

cve@mitrehttp://archives.neohapsis.com/archives/vulnwatch/2003-q3/0040.html
cve@mitrehttp://www.rapid7.com/advisories/R7-0015.html
af854a3a-2127-422b-91ae-364da2661108http://archives.neohapsis.com/archives/vulnwatch/2003-q3/0040.html
af854a3a-2127-422b-91ae-364da2661108http://www.rapid7.com/advisories/R7-0015.html

Data Freshness Timeline

(refreshed 12× in last 7d / 17× 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
2026-05-27 13:37 UTCepss_batch
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2026-05-26 07:16 UTCepss_batch
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2026-05-24 16:42 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

Frequently asked(4)

What is CVE-2003-0421?

CVE-2003-0421 is a none vulnerability published on August 27, 2003. Apple QuickTime / Darwin Streaming Server before 4.1.3f allows remote attackers to cause a denial of service (crash) via an MS-DOS device name (e.g. AUX) in a request to HTTP port 1220, a different vulnerability than CVE-2003-0502.

When was CVE-2003-0421 disclosed?

CVE-2003-0421 was first published in the National Vulnerability Database on August 27, 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-2003-0421 actively exploited?

CVE-2003-0421 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 81.5% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

How do I remediate CVE-2003-0421?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2003-0421, 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-2003-0421

📅 Published

🔄 Last Modified

🔗 References (4)