CVE-2010-1914: PHP

Medium severity, CVSS 5.0. EPSS: 1.4% chance of exploitation in the next 30 days.

The Zend Engine in PHP 5.2 through 5.2.13 and 5.3 through 5.3.2 allows context-dependent attackers to obtain sensitive information by interrupting the handler for the (1) ZEND_BW_XOR opcode (shift_left_function), (2) ZEND_SL opcode (bitwise_xor_function), or (3) ZEND_SR opcode (shift_right_function), related to the convert_to_long_base function.

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 2010-05-12. Last modified 2026-06-16.