#VU110530 Input validation error in PHP - CVE-2003-0166

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Main Vulnerability Database Vulnerabilities #VU110530

#VU110530 Input validation error in PHP - CVE-2003-0166

Published: October 30, 2018 / Updated: June 13, 2025


Vulnerability identifier: #VU110530
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/U:Green
CVE-ID: CVE-2003-0166
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability: Public exploit is available
Vulnerable software:
PHP
Software vendor:
PHP Group

Description

The vulnerability allows a remote non-authenticated attacker to read and manipulate data.

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.


Remediation

Install update from vendor's website.

External links