Input validation error in PHP - CVE-2007-4255
Published: October 15, 2018 / Updated: June 13, 2025
Vulnerability identifier: #VU110384
CSH Severity: Medium
CVSS v4.0: 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-2007-4255
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
Public exploit is available
Vendor: PHP Group
Affected software:
PHP
PHP
Detailed vulnerability description
The vulnerability allows a remote non-authenticated attacker to read and manipulate data.
Buffer overflow in the mSQL extension in PHP 5.2.3 allows context-dependent attackers to execute arbitrary code via a long first argument to the msql_connect function.
How to mitigate CVE-2007-4255
Install update from vendor's website.