Input validation error in PHP - CVE-2003-0861
Published: October 30, 2018 / Updated: June 8, 2025
Vulnerability identifier: #VU110527
CSH Severity: High
CVSS v4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2003-0861
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.
Integer overflows in (1) base64_encode and (2) the GD library for PHP before 4.3.3 have unknown impact and unknown attack vectors.
Affected software
PHP
How to mitigate CVE-2003-0861
Install update from vendor's website.
PHP - addressed in versions 4.3.3, 4.10