CVE-2002-1496 in the critical feed json
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…
published 2003-04-02 23 y ago modified 2026-06-16 4 mo ago also EUVD-2002-1479
- cvss
- 7.5
- version 2.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 22.5%
- EPSS 22.5% chance of exploitation in 30 days, percentile 97%
- public exploits
- 1
- Exploit-DB
Summary
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.
Patch / fix
- iss.net/security_center/static/10160.php advisory
- securityfocus.com/bid/5774 advisory
Timeline
- First public exploit (EDB-21818)
- Published
Exploit prediction
22.53% chance of exploitation in the next 30 days, higher than 97% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- EDB-21818 Null HTTPd 0.5 - Remote Heap Overflow remote, 2002-09-23
- securityfocus.com http://www.securityfocus.com/bid/5774 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 2.0 | 7.5 | AV:N/AC:L/Au:N/C:P/I:P/A:P |
References
-
iss.net
/security_center/static/10160.php
vdb-entry, patch, vendor-advisory
-
securityfocus.com
/bid/5774
vdb-entry, exploit, patch, vendor-advisory
-
archives.neohapsis.com
/archives/bugtraq/2002-09/0284.html
mailing-list
- freshmeat.net /releases/97910/
Sources
- CVE List CVE-2002-1496
- NVD CVE-2002-1496
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.