CVE-2003-0166
Integer signedness error in emalloc() function for PHP before 4.3.2 allow remote attackers to...
Integer signedness error in emalloc() function for PHP before 4.3.2 allow remote attackers to cause a denial of service (memory consumption) and possibly execute arbitrary code via negative arguments to functions such as (1) socket_recv, (2) socket_recvfrom, and possibly other functions.
Exploit likelihood
What each source reports
NVD Score used
Integer signedness error in emalloc() function for PHP before 4.3.2 allow remote attackers to cause a denial of service (memory consumption) and possibly execute arbitrary code via negative arguments to functions such as (1) socket_recv, (2) socket_recvfrom, and possibly other functions.
- Record
CVE-2003-0166- 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
Integer signedness error in emalloc() function for PHP before 4.3.2 allow remote attackers to cause a denial of service (memory consumption) and possibly execute arbitrary code via negative arguments to functions such as (1) socket_recv, (2) socket_recvfrom, and possibly other functions.
- Record
CVE-2003-0166- Updated
- 2026-11-02
EUVDEUVD-2003-0162 No score
Integer signedness error in emalloc() function for PHP before 4.3.2 allow remote attackers to cause a denial of service (memory consumption) and possibly execute arbitrary code via negative arguments to functions such as (1) socket_recv, (2) socket_recvfrom, and possibly other functions.
- Record
EUVD-2003-0162- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-4xfp-7xc2-6c73 No score
Integer signedness error in emalloc() function for PHP before 4.3.2 allow remote attackers to...
Integer signedness error in emalloc() function for PHP before 4.3.2 allow remote attackers to cause a denial of service (memory consumption) and possibly execute arbitrary code via negative arguments to functions such as (1) socket_recv, (2) socket_recvfrom, and possibly other functions.
- Record
GHSA-4xfp-7xc2-6c73- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Exploit-DB | PHP 4.3 - 'socket_iovec_alloc()' Integer Overflow | 2003-03-25 |
| Exploit-DB | PHP 4.x - 'socket_recv()' Signed Integer Memory Corruption | 2003-03-26 |
| Exploit-DB | PHP 4.x - 'socket_recvfrom()' Signed Integer Memory Corruption | 2003-03-26 |
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-2003-0166 is a high vulnerability (CVSS 7.5) in Php, published March 27, 2003. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 14.1%, the 96th percentile. No source names a fixed version.
References
marc.info?l=bugtraq&m=104931415307111&w=2
distro.conectiva.com.br/atualizacoes?id=a&anuncio=000691
securityfocus.com/bid/7198
nvd.nist.gov/vuln/detail/CVE-2003-0166
github.com/advisories/GHSA-4xfp-7xc2-6c73