CVE-2010-4409: PHP

Medium severity, CVSS 5.0. EPSS: 18.9% chance of exploitation in the next 30 days.

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 products

• PHP PHP: up to and including 5.3.3; version 1.0 only; version 2.0 only; version 2.0b10 only; version 3.0 only; version 3.0.1 only; …

Published 2010-12-06. Last modified 2026-06-16.