CVE-2002-1496

NONECVSS 0.0Weaponized

0.0

Heap-based buffer overflow in Null HTTP Server 0.5.0 and earlier allows remote attackers to execute arbitrary code via a negative value in the Content-Length HTTP header.

CVSS v3: —
EG Score: —
EPSS: 94.8%
KEV: Not listed

Published

April 2, 2003

Last Modified

April 16, 2026

References (8)

cve@mitrehttp://archives.neohapsis.com/archives/bugtraq/2002-09/0284.html
cve@mitrehttp://freshmeat.net/releases/97910/
cve@mitrehttp://www.iss.net/security_center/static/10160.php
cve@mitrehttp://www.securityfocus.com/bid/5774
af854a3a-2127-422b-91ae-364da2661108http://archives.neohapsis.com/archives/bugtraq/2002-09/0284.html
af854a3a-2127-422b-91ae-364da2661108http://freshmeat.net/releases/97910/
af854a3a-2127-422b-91ae-364da2661108http://www.iss.net/security_center/static/10160.php
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/5774

Data Freshness Timeline

(refreshed 9× in last 7d / 14× 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
2026-05-26 13:41 UTCepss_batch
2026-05-26 13:41 UTCepss_batch
2026-05-24 16:42 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-21818✓ verified
First seen Sep 23, 2002
Null HTTPd 0.5 - Remote Heap Overflow
Open source ↗

Frequently asked(4)

What is CVE-2002-1496?

CVE-2002-1496 is a none vulnerability published on April 2, 2003. Heap-based buffer overflow in Null HTTP Server 0.5.0 and earlier allows remote attackers to execute arbitrary code via a negative value in the Content-Length HTTP header.

When was CVE-2002-1496 disclosed?

CVE-2002-1496 was first published in the National Vulnerability Database on April 2, 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-2002-1496 actively exploited?

CVE-2002-1496 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 94.8% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

How do I remediate CVE-2002-1496?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2002-1496, 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

See which npm, PyPI, Go, and Maven packages are affected by CVE-2002-1496

Explore →

Is Your Infrastructure Affected by CVE-2002-1496?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.

Start Free Scan →Browse All CVEs

CVE-2002-1496

📅 Published

🔄 Last Modified

🔗 References (8)