Input validation error in PHP - CVE-2007-1890
Published: October 30, 2018 / Updated: June 9, 2025
Vulnerability identifier: #VU110414
CSH Severity: Medium
CVSS v4: 6.9 [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]
CVE-ID: CVE-2007-1890
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
Public exploit is available
Vulnerability details
The vulnerability allows a remote non-authenticated attacker to read and manipulate data.
Integer overflow in the msg_receive function in PHP 4 before 4.4.5 and PHP 5 before 5.2.1, on FreeBSD and possibly other platforms, allows context-dependent attackers to execute arbitrary code via certain maxsize values, as demonstrated by 0xffffffff.
Affected software
PHP
How to mitigate CVE-2007-1890
Install update from vendor's website.
PHP - addressed in versions 4.4.5, 4.10, 5.2.0