CVE-2010-2100: PHP

Medium severity, CVSS 5.0. EPSS: 2% chance of exploitation in the next 30 days.

The (1) htmlentities, (2) htmlspecialchars, (3) str_getcsv, (4) http_build_query, (5) strpbrk, and (6) strtr functions in PHP 5.2 through 5.2.13 and 5.3 through 5.3.2 allow context-dependent attackers to obtain sensitive information (memory contents) by causing a userspace interruption of an internal function, related to the call time pass by reference feature.

Affected products

• PHP PHP: version 5.2.0 only; version 5.2.1 only; version 5.2.2 only; version 5.2.3 only; version 5.2.4 only; version 5.2.5 only; …

Published 2010-05-27. Last modified 2026-06-16.