Input validation error in PHP - CVE-2010-4409

 

Input validation error in PHP - CVE-2010-4409

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


Vulnerability identifier: #VU110280
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2010-4409
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 perform service disruption.

Integer overflow in the NumberFormatter::getSymbol (aka numfmt_get_symbol) function in PHP 5.3.3 and earlier allows context-dependent attackers to cause a denial of service (application crash) via an invalid argument.


Affected software

PHP
Gentoo Linux
dev-lang/php

How to mitigate CVE-2010-4409

Install update from vendor's website.

PHP - addressed in versions 4.10, 5.3.3
dev-lang/php - update to 5.3.8

Links to Public Exploits and PoC-codes

External References

Related Security Bulletins