CVE-2002-1496
Heap-based buffer overflow in Null HTTP Server 0.5.0 and earlier allows remote attackers to...
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.
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2002-1496- CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2002-1496- Updated
- 2026-11-02
EUVDEUVD-2002-1479 No score
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.
- Record
EUVD-2002-1479- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-6mwf-gqgc-72xc No score
Heap-based buffer overflow in Null HTTP Server 0.5.0 and earlier allows remote attackers to...
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.
- Record
GHSA-6mwf-gqgc-72xc- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Exploit-DB | Null HTTPd 0.5 - Remote Heap Overflow | 2002-09-23 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, Exploit-DB, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2002-1496 is a high vulnerability (CVSS 7.5) in Nulllogic Null Httpd, published April 2, 2003. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 22.5%, the 97th percentile. No source names a fixed version.